rq_callback - urb status -71
[  454.624766][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.624772][    C0] yealink 4-1:36.0: unexpected response 0
[  454.624882][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.624897][    C0] yealink 1-1:36.0: unexpected response 0
[  454.624982][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.624985][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.624998][    C1] yealink 3-1:36.0: unexpected response 0
[  454.625115][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.625205][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.625212][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.625221][    C0] yealink 4-1:36.0: unexpected response 0
[  454.625335][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.625350][    C0] yealink 1-1:36.0: unexpected response 0
[  454.625428][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.625438][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.625445][    C1] yealink 3-1:36.0: unexpected response 0
[  454.625561][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.625649][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.625659][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.625665][    C0] yealink 4-1:36.0: unexpected response 0
[  454.625844][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.625860][    C0] yealink 1-1:36.0: unexpected response 0
[  454.625876][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.625892][    C1] yealink 3-1:36.0: unexpected response 0
[  454.625949][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.626078][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.626108][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.626185][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.626201][    C0] yealink 4-1:36.0: unexpected response 0
[  454.626324][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.626328][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.626340][    C0] yealink 1-1:36.0: unexpected response 0
[  454.626345][    C1] yealink 3-1:36.0: unexpected response 0
[  454.626428][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.626554][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.626571][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.626642][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.626658][    C0] yealink 4-1:36.0: unexpected response 0
[  454.626771][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.626787][    C0] yealink 1-1:36.0: unexpected response 0
[  454.626787][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.626803][    C1] yealink 3-1:36.0: unexpected response 0
[  454.626874][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.627005][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.627018][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.627102][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.627117][    C0] yealink 4-1:36.0: unexpected response 0
[  454.627228][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.627235][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.627244][    C0] yealink 1-1:36.0: unexpected response 0
[  454.627251][    C1] yealink 3-1:36.0: unexpected response 0
[  454.627331][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.627456][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.627465][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.627545][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.627560][    C0] yealink 4-1:36.0: unexpected response 0
[  454.627672][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.627681][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.627688][    C0] yealink 1-1:36.0: unexpected response 0
[  454.627697][    C1] yealink 3-1:36.0: unexpected response 0
[  454.627776][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.627900][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.627912][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.627989][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.628004][    C0] yealink 4-1:36.0: unexpected response 0
[  454.628124][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.628136][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.628140][    C0] yealink 1-1:36.0: unexpected response 0
[  454.628152][    C1] yealink 3-1:36.0: unexpected response 0
[  454.628228][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.628355][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.628366][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.628444][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.628460][    C0] yealink 4-1:36.0: unexpected response 0
[  454.628573][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.628589][    C0] yealink 1-1:36.0: unexpected response 0
[  454.628588][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.628605][    C1] yealink 3-1:36.0: unexpected response 0
[  454.628676][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.628799][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.628819][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.628889][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.628904][    C0] yealink 4-1:36.0: unexpected response 0
[  454.629014][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.629030][    C0] yealink 1-1:36.0: unexpected response 0
[  454.629037][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.629053][    C1] yealink 3-1:36.0: unexpected response 0
[  454.629123][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.629246][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.629268][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.629346][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.629361][    C0] yealink 4-1:36.0: unexpected response 0
[  454.629473][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.629483][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.629489][    C0] yealink 1-1:36.0: unexpected response 0
[  454.629499][    C1] yealink 3-1:36.0: unexpected response 0
[  454.629576][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.629728][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.629758][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.629855][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.629871][    C0] yealink 4-1:36.0: unexpected response 0
[  454.629944][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.629960][    C1] yealink 3-1:36.0: unexpected response 0
[  454.629961][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.629977][    C0] yealink 1-1:36.0: unexpected response 0
[  454.630092][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.630178][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.630179][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.630303][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.630319][    C0] yealink 4-1:36.0: unexpected response 0
[  454.630415][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.630418][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.630431][    C0] yealink 1-1:36.0: unexpected response 0
[  454.630434][    C1] yealink 3-1:36.0: unexpected response 0
[  454.630519][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.630642][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.630652][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.630732][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.630747][    C0] yealink 4-1:36.0: unexpected response 0
[  454.630859][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.630868][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.630875][    C0] yealink 1-1:36.0: unexpected response 0
[  454.630885][    C1] yealink 3-1:36.0: unexpected response 0
[  454.630962][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.631091][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.631099][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.631181][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.631197][    C0] yealink 4-1:36.0: unexpected response 0
[  454.631310][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.631314][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.631325][    C0] yealink 1-1:36.0: unexpected response 0
[  454.631330][    C1] yealink 3-1:36.0: unexpected response 0
[  454.631413][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.631539][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.631567][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.631629][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.631644][    C0] yealink 4-1:36.0: unexpected response 0
[  454.631762][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.631778][    C0] yealink 1-1:36.0: unexpected response 0
[  454.631787][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.631803][    C1] yealink 3-1:36.0: unexpected response 0
[  454.631866][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.631990][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.632026][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.632109][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.632125][    C0] yealink 4-1:36.0: unexpected response 0
[  454.632211][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.632227][    C0] yealink 1-1:36.0: unexpected response 0
[  454.632243][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.632259][    C1] yealink 3-1:36.0: unexpected response 0
[  454.632346][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.632434][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.632470][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.632597][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.632615][    C0] yealink 4-1:36.0: unexpected response 0
[  454.632687][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.632703][    C1] yealink 3-1:36.0: unexpected response 0
[  454.632703][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.632719][    C0] yealink 1-1:36.0: unexpected response 0
[  454.632833][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.632924][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.632936][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.633044][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.633066][    C0] yealink 4-1:36.0: unexpected response 0
[  454.633163][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.633165][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.633179][    C1] yealink 3-1:36.0: unexpected response 0
[  454.633181][    C0] yealink 1-1:36.0: unexpected response 0
[  454.633278][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.633411][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.633414][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.633511][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.633526][    C0] yealink 4-1:36.0: unexpected response 0
[  454.633637][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.633642][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.633652][    C0] yealink 1-1:36.0: unexpected response 0
[  454.633659][    C1] yealink 3-1:36.0: unexpected response 0
[  454.633739][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.633872][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.633874][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.633972][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.633987][    C0] yealink 4-1:36.0: unexpected response 0
[  454.634101][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.634110][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.634118][    C1] yealink 3-1:36.0: unexpected response 0
[  454.634126][    C0] yealink 1-1:36.0: unexpected response 0
[  454.634213][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.634332][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.634340][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.634428][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.634443][    C0] yealink 4-1:36.0: unexpected response 0
[  454.634566][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.634570][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.634582][    C0] yealink 1-1:36.0: unexpected response 0
[  454.634587][    C1] yealink 3-1:36.0: unexpected response 0
[  454.634669][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.634795][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.634801][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.634884][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.634899][    C0] yealink 4-1:36.0: unexpected response 0
[  454.635011][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.635016][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.635027][    C0] yealink 1-1:36.0: unexpected response 0
[  454.635033][    C1] yealink 3-1:36.0: unexpected response 0
[  454.635129][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.635255][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.635258][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.635344][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.635360][    C0] yealink 4-1:36.0: unexpected response 0
[  454.635481][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.635484][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.635497][    C0] yealink 1-1:36.0: unexpected response 0
[  454.635500][    C1] yealink 3-1:36.0: unexpected response 0
[  454.635584][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.635755][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.635762][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.635917][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.635933][    C0] yealink 4-1:36.0: unexpected response 0
[  454.635971][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.635988][    C1] yealink 3-1:36.0: unexpected response 0
[  454.636022][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.636037][    C0] yealink 1-1:36.0: unexpected response 0
[  454.636162][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.636240][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.636293][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.636382][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.636397][    C0] yealink 4-1:36.0: unexpected response 0
[  454.636456][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.636472][    C1] yealink 3-1:36.0: unexpected response 0
[  454.636523][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.636539][    C0] yealink 1-1:36.0: unexpected response 0
[  454.636626][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.636708][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.636751][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.636838][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.636854][    C0] yealink 4-1:36.0: unexpected response 0
[  454.636926][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.636942][    C1] yealink 3-1:36.0: unexpected response 0
[  454.636968][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.636983][    C0] yealink 1-1:36.0: unexpected response 0
[  454.637076][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.637156][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.637196][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.637285][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.637300][    C0] yealink 4-1:36.0: unexpected response 0
[  454.637372][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.637388][    C1] yealink 3-1:36.0: unexpected response 0
[  454.637414][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.637430][    C0] yealink 1-1:36.0: unexpected response 0
[  454.637515][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.637615][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.637642][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.637730][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.637745][    C0] yealink 4-1:36.0: unexpected response 0
[  454.637832][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.637849][    C1] yealink 3-1:36.0: unexpected response 0
[  454.637856][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.637872][    C0] yealink 1-1:36.0: unexpected response 0
[  454.637958][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.638061][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.638092][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.638179][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.638194][    C0] yealink 4-1:36.0: unexpected response 0
[  454.638277][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.638293][    C1] yealink 3-1:36.0: unexpected response 0
[  454.638311][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.638327][    C0] yealink 1-1:36.0: unexpected response 0
[  454.638413][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.638506][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.638539][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.638626][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.638641][    C0] yealink 4-1:36.0: unexpected response 0
[  454.638721][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.638737][    C1] yealink 3-1:36.0: unexpected response 0
[  454.638755][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.638771][    C0] yealink 1-1:36.0: unexpected response 0
[  454.638858][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.638950][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.638983][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.639136][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.639152][    C0] yealink 4-1:36.0: unexpected response 0
[  454.639168][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.639184][    C1] yealink 3-1:36.0: unexpected response 0
[  454.639267][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.639282][    C0] yealink 1-1:36.0: unexpected response 0
[  454.639368][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.639414][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.639490][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.639576][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.639591][    C0] yealink 4-1:36.0: unexpected response 0
[  454.639642][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.639658][    C1] yealink 3-1:36.0: unexpected response 0
[  454.639693][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.639709][    C0] yealink 1-1:36.0: unexpected response 0
[  454.639820][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.639873][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.639911][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.640033][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.640048][    C0] yealink 4-1:36.0: unexpected response 0
[  454.640094][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.640126][    C1] yealink 3-1:36.0: unexpected response 0
[  454.640141][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.640157][    C0] yealink 1-1:36.0: unexpected response 0
[  454.640268][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.640342][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.640359][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.640491][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.640507][    C0] yealink 4-1:36.0: unexpected response 0
[  454.640564][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.640580][    C1] yealink 3-1:36.0: unexpected response 0
[  454.640595][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.640611][    C0] yealink 1-1:36.0: unexpected response 0
[  454.640720][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.640860][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.640868][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.640958][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.640974][    C0] yealink 4-1:36.0: unexpected response 0
[  454.641083][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.641086][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.641099][    C0] yealink 1-1:36.0: unexpected response 0
[  454.641102][    C1] yealink 3-1:36.0: unexpected response 0
[  454.641187][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.641312][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.641316][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.641402][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.641418][    C0] yealink 4-1:36.0: unexpected response 0
[  454.641540][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.641543][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.641556][    C0] yealink 1-1:36.0: unexpected response 0
[  454.641566][    C1] yealink 3-1:36.0: unexpected response 0
[  454.641643][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.641768][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.641781][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.641858][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.641873][    C0] yealink 4-1:36.0: unexpected response 0
[  454.641985][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.641997][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.642001][    C0] yealink 1-1:36.0: unexpected response 0
[  454.642014][    C1] yealink 3-1:36.0: unexpected response 0
[  454.642094][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.642214][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.642228][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.642414][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.642430][    C0] yealink 4-1:36.0: unexpected response 0
[  454.642443][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.642459][    C1] yealink 3-1:36.0: unexpected response 0
[  454.642522][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.642537][    C0] yealink 1-1:36.0: unexpected response 0
[  454.642647][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.642705][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.642738][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.642859][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.642874][    C0] yealink 4-1:36.0: unexpected response 0
[  454.642925][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.642941][    C1] yealink 3-1:36.0: unexpected response 0
[  454.642964][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.642979][    C0] yealink 1-1:36.0: unexpected response 0
[  454.643099][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.643154][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.643190][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.643315][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.643330][    C0] yealink 4-1:36.0: unexpected response 0
[  454.643381][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.643397][    C1] yealink 3-1:36.0: unexpected response 0
[  454.643431][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.643447][    C0] yealink 1-1:36.0: unexpected response 0
[  454.643560][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.643626][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.643650][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.643787][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.643803][    C0] yealink 4-1:36.0: unexpected response 0
[  454.643860][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.643876][    C1] yealink 3-1:36.0: unexpected response 0
[  454.643891][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.643906][    C0] yealink 1-1:36.0: unexpected response 0
[  454.644019][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.644092][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.644120][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.644241][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.644256][    C0] yealink 4-1:36.0: unexpected response 0
[  454.644308][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.644325][    C1] yealink 3-1:36.0: unexpected response 0
[  454.644344][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.644360][    C0] yealink 1-1:36.0: unexpected response 0
[  454.644456][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.644538][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.644571][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.644661][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.644676][    C0] yealink 4-1:36.0: unexpected response 0
[  454.644759][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.644775][    C1] yealink 3-1:36.0: unexpected response 0
[  454.644792][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.644808][    C0] yealink 1-1:36.0: unexpected response 0
[  454.644907][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.644989][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.645021][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.645116][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.645131][    C0] yealink 4-1:36.0: unexpected response 0
[  454.645204][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.645220][    C1] yealink 3-1:36.0: unexpected response 0
[  454.645243][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.645259][    C0] yealink 1-1:36.0: unexpected response 0
[  454.645345][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.645432][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.645479][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.645654][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.645670][    C1] yealink 3-1:36.0: unexpected response 0
[  454.645685][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.645701][    C0] yealink 4-1:36.0: unexpected response 0
[  454.645850][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.645861][    C0] yealink 1-1:36.0: unexpected response 0
[  454.645929][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.646051][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.646125][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.646135][    C0] yealink 4-1:36.0: unexpected response 0
[  454.646252][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.646263][    C0] yealink 1-1:36.0: unexpected response 0
[  454.646336][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.646451][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.646517][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.646528][    C0] yealink 4-1:36.0: unexpected response 0
[  454.646643][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.646655][    C0] yealink 1-1:36.0: unexpected response 0
[  454.646718][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.646845][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.646910][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.646921][    C0] yealink 4-1:36.0: unexpected response 0
[  454.647036][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.647047][    C0] yealink 1-1:36.0: unexpected response 0
[  454.647140][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.647268][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.647346][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.647361][    C0] yealink 4-1:36.0: unexpected response 0
[  454.647371][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.647475][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.647490][    C0] yealink 1-1:36.0: unexpected response 0
[  454.647576][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.647604][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.647621][    C1] yealink 3-1:36.0: unexpected response 0
[  454.647759][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.647835][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.647860][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.647875][    C0] yealink 4-1:36.0: unexpected response 0
[  454.647962][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.647976][    C0] yealink 1-1:36.0: unexpected response 0
[  454.648068][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.648084][    C1] yealink 3-1:36.0: unexpected response 0
[  454.648094][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.648182][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.648300][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.648309][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.648325][    C0] yealink 4-1:36.0: unexpected response 0
[  454.648412][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.648426][    C0] yealink 1-1:36.0: unexpected response 0
[  454.648516][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.648532][    C1] yealink 3-1:36.0: unexpected response 0
[  454.648539][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.648639][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.648763][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.648769][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.648785][    C0] yealink 4-1:36.0: unexpected response 0
[  454.648872][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.648887][    C0] yealink 1-1:36.0: unexpected response 0
[  454.648981][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.648997][    C1] yealink 3-1:36.0: unexpected response 0
[  454.648998][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.649092][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.649220][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.649223][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.649236][    C0] yealink 4-1:36.0: unexpected response 0
[  454.649325][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.649340][    C0] yealink 1-1:36.0: unexpected response 0
[  454.649447][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.649453][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.649463][    C1] yealink 3-1:36.0: unexpected response 0
[  454.649541][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.649667][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.649681][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.649683][    C0] yealink 4-1:36.0: unexpected response 0
[  454.649783][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.649799][    C0] yealink 1-1:36.0: unexpected response 0
[  454.649907][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.649909][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.649923][    C1] yealink 3-1:36.0: unexpected response 0
[  454.650000][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.650122][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.650138][    C0] yealink 4-1:36.0: unexpected response 0
[  454.650138][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.650236][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.650251][    C0] yealink 1-1:36.0: unexpected response 0
[  454.650362][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.650364][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.650380][    C1] yealink 3-1:36.0: unexpected response 0
[  454.650452][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.650573][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.650589][    C0] yealink 4-1:36.0: unexpected response 0
[  454.650638][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.650678][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.650694][    C0] yealink 1-1:36.0: unexpected response 0
[  454.650803][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.650855][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.650871][    C1] yealink 3-1:36.0: unexpected response 0
[  454.650896][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.651013][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.651029][    C0] yealink 4-1:36.0: unexpected response 0
[  454.651084][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.651125][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.651140][    C0] yealink 1-1:36.0: unexpected response 0
[  454.651254][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.651304][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.651320][    C1] yealink 3-1:36.0: unexpected response 0
[  454.651345][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.651467][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.651483][    C0] yealink 4-1:36.0: unexpected response 0
[  454.651535][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.651571][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.651586][    C0] yealink 1-1:36.0: unexpected response 0
[  454.651700][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.651758][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.651774][    C1] yealink 3-1:36.0: unexpected response 0
[  454.651790][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.651913][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.651928][    C0] yealink 4-1:36.0: unexpected response 0
[  454.651992][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.652043][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.652066][    C0] yealink 1-1:36.0: unexpected response 0
[  454.652152][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.652210][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.652224][    C1] yealink 3-1:36.0: unexpected response 0
[  454.652277][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.652364][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.652379][    C0] yealink 4-1:36.0: unexpected response 0
[  454.652436][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.652494][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.652510][    C0] yealink 1-1:36.0: unexpected response 0
[  454.652596][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.652652][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.652668][    C1] yealink 3-1:36.0: unexpected response 0
[  454.652722][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.652808][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.652823][    C0] yealink 4-1:36.0: unexpected response 0
[  454.652889][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.652937][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.652953][    C0] yealink 1-1:36.0: unexpected response 0
[  454.653037][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.653106][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.653122][    C1] yealink 3-1:36.0: unexpected response 0
[  454.653162][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.653250][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.653265][    C0] yealink 4-1:36.0: unexpected response 0
[  454.653338][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.653375][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.653392][    C0] yealink 1-1:36.0: unexpected response 0
[  454.653478][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.653552][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.653575][    C1] yealink 3-1:36.0: unexpected response 0
[  454.653604][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.653691][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.653706][    C0] yealink 4-1:36.0: unexpected response 0
[  454.653788][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.653817][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.653833][    C0] yealink 1-1:36.0: unexpected response 0
[  454.653917][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.654003][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.654018][    C1] yealink 3-1:36.0: unexpected response 0
[  454.654052][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.654144][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.654159][    C0] yealink 4-1:36.0: unexpected response 0
[  454.654231][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.654273][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.654289][    C0] yealink 1-1:36.0: unexpected response 0
[  454.654389][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.654448][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.654463][    C1] yealink 3-1:36.0: unexpected response 0
[  454.654516][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.654601][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.654616][    C0] yealink 4-1:36.0: unexpected response 0
[  454.654675][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.654730][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.654745][    C0] yealink 1-1:36.0: unexpected response 0
[  454.654836][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.654889][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.654904][    C1] yealink 3-1:36.0: unexpected response 0
[  454.654966][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.655149][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.655176][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.655192][    C0] yealink 4-1:36.0: unexpected response 0
[  454.655281][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.655297][    C0] yealink 1-1:36.0: unexpected response 0
[  454.655367][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.655383][    C1] yealink 3-1:36.0: unexpected response 0
[  454.655414][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.655500][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.655606][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.655628][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.655644][    C0] yealink 4-1:36.0: unexpected response 0
[  454.655767][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.655784][    C0] yealink 1-1:36.0: unexpected response 0
[  454.655868][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.655947][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.655963][    C1] yealink 3-1:36.0: unexpected response 0
[  454.655998][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.656094][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.656108][    C0] yealink 4-1:36.0: unexpected response 0
[  454.656181][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.656202][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.656217][    C0] yealink 1-1:36.0: unexpected response 0
[  454.656305][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.656396][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.656412][    C1] yealink 3-1:36.0: unexpected response 0
[  454.656428][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.656516][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.656531][    C0] yealink 4-1:36.0: unexpected response 0
[  454.656626][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.656642][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.656658][    C0] yealink 1-1:36.0: unexpected response 0
[  454.656744][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.656840][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.656856][    C1] yealink 3-1:36.0: unexpected response 0
[  454.656879][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.656966][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.656982][    C0] yealink 4-1:36.0: unexpected response 0
[  454.657113][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.657115][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.657129][    C0] yealink 1-1:36.0: unexpected response 0
[  454.657215][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.657331][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.657342][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.657347][    C1] yealink 3-1:36.0: unexpected response 0
[  454.657431][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.657447][    C0] yealink 4-1:36.0: unexpected response 0
[  454.657568][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.657575][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.657584][    C0] yealink 1-1:36.0: unexpected response 0
[  454.657673][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.657793][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.657799][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.657810][    C1] yealink 3-1:36.0: unexpected response 0
[  454.657888][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.657903][    C0] yealink 4-1:36.0: unexpected response 0
[  454.658014][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.658024][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.658030][    C0] yealink 1-1:36.0: unexpected response 0
[  454.658124][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.658240][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.658251][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.658256][    C1] yealink 3-1:36.0: unexpected response 0
[  454.658388][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.658404][    C0] yealink 4-1:36.0: unexpected response 0
[  454.658469][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.658519][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.658534][    C0] yealink 1-1:36.0: unexpected response 0
[  454.658620][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.658684][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.658700][    C1] yealink 3-1:36.0: unexpected response 0
[  454.658753][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.658841][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.658856][    C0] yealink 4-1:36.0: unexpected response 0
[  454.658913][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.658974][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.658989][    C0] yealink 1-1:36.0: unexpected response 0
[  454.659081][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.659129][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.659145][    C1] yealink 3-1:36.0: unexpected response 0
[  454.659201][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.659291][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.659306][    C0] yealink 4-1:36.0: unexpected response 0
[  454.659366][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.659420][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.659435][    C0] yealink 1-1:36.0: unexpected response 0
[  454.659521][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.659592][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.659607][    C1] yealink 3-1:36.0: unexpected response 0
[  454.659648][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.659735][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.659751][    C0] yealink 4-1:36.0: unexpected response 0
[  454.659821][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.659862][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.659878][    C0] yealink 1-1:36.0: unexpected response 0
[  454.659964][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.660036][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.660053][    C1] yealink 3-1:36.0: unexpected response 0
[  454.660093][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.660181][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.660196][    C0] yealink 4-1:36.0: unexpected response 0
[  454.660266][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.660318][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.660334][    C0] yealink 1-1:36.0: unexpected response 0
[  454.660420][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.660494][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.660510][    C1] yealink 3-1:36.0: unexpected response 0
[  454.660549][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.660637][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.660652][    C0] yealink 4-1:36.0: unexpected response 0
[  454.660724][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.660754][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.660770][    C0] yealink 1-1:36.0: unexpected response 0
[  454.660882][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.660942][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.660958][    C1] yealink 3-1:36.0: unexpected response 0
[  454.660972][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.661099][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.661115][    C0] yealink 4-1:36.0: unexpected response 0
[  454.661174][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.661203][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.661219][    C0] yealink 1-1:36.0: unexpected response 0
[  454.661336][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.661391][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.661407][    C1] yealink 3-1:36.0: unexpected response 0
[  454.661426][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.661568][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.661583][    C0] yealink 4-1:36.0: unexpected response 0
[  454.661621][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.661696][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.661712][    C0] yealink 1-1:36.0: unexpected response 0
[  454.661812][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.661837][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.661853][    C1] yealink 3-1:36.0: unexpected response 0
[  454.661926][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.662014][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.662029][    C0] yealink 4-1:36.0: unexpected response 0
[  454.662066][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.662131][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.662146][    C0] yealink 1-1:36.0: unexpected response 0
[  454.662254][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.662280][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.662296][    C1] yealink 3-1:36.0: unexpected response 0
[  454.662346][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.662473][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.662487][    C0] yealink 4-1:36.0: unexpected response 0
[  454.662532][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.662576][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.662592][    C0] yealink 1-1:36.0: unexpected response 0
[  454.662699][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.662754][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.662770][    C1] yealink 3-1:36.0: unexpected response 0
[  454.662795][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.662917][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.662932][    C0] yealink 4-1:36.0: unexpected response 0
[  454.662986][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.663021][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.663037][    C0] yealink 1-1:36.0: unexpected response 0
[  454.663151][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.663202][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.663218][    C1] yealink 3-1:36.0: unexpected response 0
[  454.663276][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.663374][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.663389][    C0] yealink 4-1:36.0: unexpected response 0
[  454.663503][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.663506][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.663521][    C0] yealink 1-1:36.0: unexpected response 0
[  454.663617][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.663721][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.663737][    C1] yealink 3-1:36.0: unexpected response 0
[  454.663746][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.663861][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.663876][    C0] yealink 4-1:36.0: unexpected response 0
[  454.663960][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.664152][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.664163][    C1] yealink 3-1:36.0: unexpected response 0
[  454.664355][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.664566][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.664578][    C1] yealink 3-1:36.0: unexpected response 0
[  454.664771][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.664967][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.664980][    C1] yealink 3-1:36.0: unexpected response 0
[  454.665185][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.665386][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.665399][    C1] yealink 3-1:36.0: unexpected response 0
[  454.665606][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.665813][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.665825][    C1] yealink 3-1:36.0: unexpected response 0
[  454.666024][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.666229][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.666244][    C1] yealink 3-1:36.0: unexpected response 0
[  454.666445][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.666648][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.666662][    C1] yealink 3-1:36.0: unexpected response 0
[  454.666864][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.667075][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.667092][    C1] yealink 3-1:36.0: unexpected response 0
[  454.667182][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.667199][    C0] yealink 1-1:36.0: unexpected response 0
[  454.667268][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.667306][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.667411][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.667500][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.667515][    C0] yealink 4-1:36.0: unexpected response 0
[  454.667527][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.667544][    C1] yealink 3-1:36.0: unexpected response 0
[  454.667628][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.667644][    C0] yealink 1-1:36.0: unexpected response 0
[  454.667729][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.667782][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.667845][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.667971][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.667987][    C0] yealink 4-1:36.0: unexpected response 0
[  454.667998][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.668014][    C1] yealink 3-1:36.0: unexpected response 0
[  454.668096][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.668111][    C0] yealink 1-1:36.0: unexpected response 0
[  454.668196][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.668228][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.668321][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.668422][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.668437][    C0] yealink 4-1:36.0: unexpected response 0
[  454.668442][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.668458][    C1] yealink 3-1:36.0: unexpected response 0
[  454.668525][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.668540][    C0] yealink 1-1:36.0: unexpected response 0
[  454.668651][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.668672][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.668756][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.668868][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.668888][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.668899][    C0] yealink 4-1:36.0: unexpected response 0
[  454.668904][    C1] yealink 3-1:36.0: unexpected response 0
[  454.668987][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.669002][    C0] yealink 1-1:36.0: unexpected response 0
[  454.669129][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.669135][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.669224][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.669345][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.669358][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.669361][    C1] yealink 3-1:36.0: unexpected response 0
[  454.669374][    C0] yealink 4-1:36.0: unexpected response 0
[  454.669462][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.669477][    C0] yealink 1-1:36.0: unexpected response 0
[  454.669588][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.669600][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.669678][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.669803][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.669816][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.669819][    C0] yealink 4-1:36.0: unexpected response 0
[  454.669832][    C1] yealink 3-1:36.0: unexpected response 0
[  454.669908][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.669924][    C0] yealink 1-1:36.0: unexpected response 0
[  454.670037][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.670049][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.670134][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.670258][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.670267][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.670274][    C0] yealink 4-1:36.0: unexpected response 0
[  454.670283][    C1] yealink 3-1:36.0: unexpected response 0
[  454.670361][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.670377][    C0] yealink 1-1:36.0: unexpected response 0
[  454.670488][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.670500][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.670579][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.670702][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.670718][    C0] yealink 4-1:36.0: unexpected response 0
[  454.670717][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.670734][    C1] yealink 3-1:36.0: unexpected response 0
[  454.670806][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.670821][    C0] yealink 1-1:36.0: unexpected response 0
[  454.670933][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.670950][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.671023][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.671169][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.671184][    C1] yealink 3-1:36.0: unexpected response 0
[  454.671213][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.671229][    C0] yealink 4-1:36.0: unexpected response 0
[  454.671316][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.671331][    C0] yealink 1-1:36.0: unexpected response 0
[  454.671398][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.671455][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.671543][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.671627][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.671643][    C1] yealink 3-1:36.0: unexpected response 0
[  454.671670][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.671686][    C0] yealink 4-1:36.0: unexpected response 0
[  454.671772][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.671787][    C0] yealink 1-1:36.0: unexpected response 0
[  454.671859][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.671912][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.672000][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.672085][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.672101][    C1] yealink 3-1:36.0: unexpected response 0
[  454.672126][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.672142][    C0] yealink 4-1:36.0: unexpected response 0
[  454.672227][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.672242][    C0] yealink 1-1:36.0: unexpected response 0
[  454.672315][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.672355][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.672444][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.672531][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.672547][    C1] yealink 3-1:36.0: unexpected response 0
[  454.672569][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.672585][    C0] yealink 4-1:36.0: unexpected response 0
[  454.672671][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.672685][    C0] yealink 1-1:36.0: unexpected response 0
[  454.672768][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.672798][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.672885][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.672982][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.672999][    C1] yealink 3-1:36.0: unexpected response 0
[  454.673013][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.673029][    C0] yealink 4-1:36.0: unexpected response 0
[  454.673121][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.673136][    C0] yealink 1-1:36.0: unexpected response 0
[  454.673218][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.673249][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.673336][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.673433][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.673449][    C1] yealink 3-1:36.0: unexpected response 0
[  454.673464][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.673480][    C0] yealink 4-1:36.0: unexpected response 0
[  454.673574][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.673589][    C0] yealink 1-1:36.0: unexpected response 0
[  454.673662][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.673681][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.673799][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.673878][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.673888][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.673894][    C1] yealink 3-1:36.0: unexpected response 0
[  454.673904][    C0] yealink 4-1:36.0: unexpected response 0
[  454.674017][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.674032][    C0] yealink 1-1:36.0: unexpected response 0
[  454.674109][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.674131][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.674253][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.674324][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.674340][    C1] yealink 3-1:36.0: unexpected response 0
[  454.674367][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.674383][    C0] yealink 4-1:36.0: unexpected response 0
[  454.674493][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.674508][    C0] yealink 1-1:36.0: unexpected response 0
[  454.674564][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.674598][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.674725][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.674783][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.674800][    C1] yealink 3-1:36.0: unexpected response 0
[  454.674819][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.674834][    C0] yealink 4-1:36.0: unexpected response 0
[  454.674946][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.674962][    C0] yealink 1-1:36.0: unexpected response 0
[  454.675028][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.675050][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.675171][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.675243][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.675259][    C1] yealink 3-1:36.0: unexpected response 0
[  454.675260][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.675276][    C0] yealink 4-1:36.0: unexpected response 0
[  454.675386][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.675400][    C0] yealink 1-1:36.0: unexpected response 0
[  454.675474][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.675487][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.675608][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.675691][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.675697][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.675707][    C1] yealink 3-1:36.0: unexpected response 0
[  454.675712][    C0] yealink 4-1:36.0: unexpected response 0
[  454.675909][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.675925][    C0] yealink 1-1:36.0: unexpected response 0
[  454.675977][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.676014][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.676137][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.676197][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.676213][    C1] yealink 3-1:36.0: unexpected response 0
[  454.676228][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.676243][    C0] yealink 4-1:36.0: unexpected response 0
[  454.676354][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.676368][    C0] yealink 1-1:36.0: unexpected response 0
[  454.676428][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.676456][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.676578][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.676665][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.676667][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.676681][    C1] yealink 3-1:36.0: unexpected response 0
[  454.676684][    C0] yealink 4-1:36.0: unexpected response 0
[  454.676782][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.676797][    C0] yealink 1-1:36.0: unexpected response 0
[  454.676916][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.676918][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.677017][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.677149][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.677152][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.677165][    C0] yealink 4-1:36.0: unexpected response 0
[  454.677168][    C1] yealink 3-1:36.0: unexpected response 0
[  454.677253][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.677268][    C0] yealink 1-1:36.0: unexpected response 0
[  454.677378][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.677382][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.677468][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.677579][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.677595][    C0] yealink 4-1:36.0: unexpected response 0
[  454.677604][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.677620][    C1] yealink 3-1:36.0: unexpected response 0
[  454.677708][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.677724][    C0] yealink 1-1:36.0: unexpected response 0
[  454.677808][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.677833][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.677933][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.678019][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.678034][    C0] yealink 4-1:36.0: unexpected response 0
[  454.678050][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.678066][    C1] yealink 3-1:36.0: unexpected response 0
[  454.678153][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.678168][    C0] yealink 1-1:36.0: unexpected response 0
[  454.678254][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.678282][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.678379][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.678466][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.678481][    C0] yealink 4-1:36.0: unexpected response 0
[  454.678497][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.678513][    C1] yealink 3-1:36.0: unexpected response 0
[  454.678595][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.678610][    C0] yealink 1-1:36.0: unexpected response 0
[  454.678696][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.678726][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.678820][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.678906][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.678922][    C0] yealink 4-1:36.0: unexpected response 0
[  454.678941][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.678957][    C1] yealink 3-1:36.0: unexpected response 0
[  454.679034][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.679050][    C0] yealink 1-1:36.0: unexpected response 0
[  454.679141][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.679170][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.679209][   T37]  #0: 
[  454.679304][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.679386][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.679396][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.679403][    C1] yealink 3-1:36.0: unexpected response 0
[  454.679411][    C0] yealink 4-1:36.0: unexpected response 0
[  454.679526][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.679541][    C0] yealink 1-1:36.0: unexpected response 0
[  454.679621][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.679629][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.679693][   T37] ffff888027e40eb8
[  454.679755][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.679837][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.679845][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.679853][    C1] yealink 3-1:36.0: unexpected response 0
[  454.679861][    C0] yealink 4-1:36.0: unexpected response 0
[  454.679972][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.679988][    C0] yealink 1-1:36.0: unexpected response 0
[  454.680067][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.680083][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.680196][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.680283][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.680287][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.680299][    C1] yealink 3-1:36.0: unexpected response 0
[  454.680303][    C0] yealink 4-1:36.0: unexpected response 0
[  454.680413][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.680428][    C0] yealink 1-1:36.0: unexpected response 0
[  454.680523][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.680526][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.680638][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.680746][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.680749][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.680762][    C1] yealink 3-1:36.0: unexpected response 0
[  454.680765][    C0] yealink 4-1:36.0: unexpected response 0
[  454.680876][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.680891][    C0] yealink 1-1:36.0: unexpected response 0
[  454.680978][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.680981][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.681041][   T37]  (&dev->mutex
[  454.681110][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.681198][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.681200][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.681214][    C1] yealink 3-1:36.0: unexpected response 0
[  454.681216][    C0] yealink 4-1:36.0: unexpected response 0
[  454.681313][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.681329][    C0] yealink 1-1:36.0: unexpected response 0
[  454.681446][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.681449][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.681547][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.681607][   T37] ){....}-{4:4}, at: device_release_driver_internal+0xb6/0x870
[  454.681671][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.681687][    C1] yealink 3-1:36.0: unexpected response 0
[  454.681701][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.681717][    C0] yealink 4-1:36.0: unexpected response 0
[  454.681803][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.681818][    C0] yealink 1-1:36.0: unexpected response 0
[  454.681900][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.681929][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.682017][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.682083][   T37]  #1: 
[  454.682115][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.682132][    C1] yealink 3-1:36.0: unexpected response 0
[  454.682143][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.682158][    C0] yealink 4-1:36.0: unexpected response 0
[  454.682245][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.682260][    C0] yealink 1-1:36.0: unexpected response 0
[  454.682378][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.682381][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.682467][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.682527][   T37] ffffffff8f6fb278 (
[  454.682591][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.682605][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.682608][    C0] yealink 4-1:36.0: unexpected response 0
[  454.682621][    C1] yealink 3-1:36.0: unexpected response 0
[  454.682698][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.682713][    C0] yealink 1-1:36.0: unexpected response 0
[  454.682823][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.682835][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.682915][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.682975][   T37] uevent_sock_mutex){+.+.}-{4:4}
[  454.683041][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.683065][    C0] yealink 4-1:36.0: unexpected response 0
[  454.683064][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.683081][    C1] yealink 3-1:36.0: unexpected response 0
[  454.683153][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.683169][    C0] yealink 1-1:36.0: unexpected response 0
[  454.683282][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.683295][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.683372][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.683433][   T37] , at: kobject_uevent_net_broadcast+0x281/0x560
[  454.683519][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.683521][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.683535][    C0] yealink 4-1:36.0: unexpected response 0
[  454.683537][    C1] yealink 3-1:36.0: unexpected response 0
[  454.683622][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.683637][    C0] yealink 1-1:36.0: unexpected response 0
[  454.683746][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.683773][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.683849][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.683962][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.683977][    C0] yealink 4-1:36.0: unexpected response 0
[  454.683989][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.684005][    C1] yealink 3-1:36.0: unexpected response 0
[  454.684103][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.684119][    C0] yealink 1-1:36.0: unexpected response 0
[  454.684204][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.684218][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.684268][   T37] 5 locks held by kworker/1:8/6083:
[  454.684333][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.684419][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.684435][    C0] yealink 4-1:36.0: unexpected response 0
[  454.684434][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.684451][    C1] yealink 3-1:36.0: unexpected response 0
[  454.684547][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.684562][    C0] yealink 1-1:36.0: unexpected response 0
[  454.684647][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.684667][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.684710][   T37] 5 locks held by kworker/u8:18/6084:
[  454.684774][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.684863][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.684878][    C0] yealink 4-1:36.0: unexpected response 0
[  454.684882][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.684898][    C1] yealink 3-1:36.0: unexpected response 0
[  454.684989][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.685005][    C0] yealink 1-1:36.0: unexpected response 0
[  454.685098][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.685112][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.685219][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.685310][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.685325][    C0] yealink 4-1:36.0: unexpected response 0
[  454.685327][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.685342][    C1] yealink 3-1:36.0: unexpected response 0
[  454.685440][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.685455][    C0] yealink 1-1:36.0: unexpected response 0
[  454.685541][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.685575][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.685604][   T37] 4 locks held by kworker/1:9/6085:
[  454.685668][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.685805][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.685821][    C0] yealink 4-1:36.0: unexpected response 0
[  454.685823][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.685840][    C1] yealink 3-1:36.0: unexpected response 0
[  454.685909][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.685924][    C0] yealink 1-1:36.0: unexpected response 0
[  454.686038][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.686058][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.686136][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.686198][   T37]  #0: ffff88805eb30138
[  454.686265][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.686274][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.686282][    C0] yealink 4-1:36.0: unexpected response 0
[  454.686290][    C1] yealink 3-1:36.0: unexpected response 0
[  454.686370][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.686385][    C0] yealink 1-1:36.0: unexpected response 0
[  454.686496][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.686504][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.686585][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.686646][   T37]  ((wq_completion)wg-kex-wg1
[  454.686710][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.686721][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.686726][    C0] yealink 4-1:36.0: unexpected response 0
[  454.686737][    C1] yealink 3-1:36.0: unexpected response 0
[  454.686814][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.686830][    C0] yealink 1-1:36.0: unexpected response 0
[  454.686940][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.686953][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.687030][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.687180][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.687182][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.687196][    C1] yealink 3-1:36.0: unexpected response 0
[  454.687197][    C0] yealink 4-1:36.0: unexpected response 0
[  454.687294][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.687309][    C0] yealink 1-1:36.0: unexpected response 0
[  454.687428][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.687430][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.687529][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.687588][   T37] #4){+.+.}-{0:0}
[  454.687665][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.687667][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.687682][    C0] yealink 4-1:36.0: unexpected response 0
[  454.687683][    C1] yealink 3-1:36.0: unexpected response 0
[  454.687779][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.687795][    C0] yealink 1-1:36.0: unexpected response 0
[  454.687904][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.687908][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.687994][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.688059][   T37] , at: process_scheduled_works+0xa35/0x1860
[  454.688123][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.688138][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.688139][    C1] yealink 3-1:36.0: unexpected response 0
[  454.688154][    C0] yealink 4-1:36.0: unexpected response 0
[  454.688241][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.688257][    C0] yealink 1-1:36.0: unexpected response 0
[  454.688357][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.688367][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.688456][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.688515][   T37]  #1: ffffc90003cd7c40
[  454.688579][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.688581][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.688596][    C1] yealink 3-1:36.0: unexpected response 0
[  454.688599][    C0] yealink 4-1:36.0: unexpected response 0
[  454.688688][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.688703][    C0] yealink 1-1:36.0: unexpected response 0
[  454.688814][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.688871][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.688904][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.688965][   T37]  ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)
[  454.689041][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.689064][    C0] yealink 4-1:36.0: unexpected response 0
[  454.689087][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.689103][    C1] yealink 3-1:36.0: unexpected response 0
[  454.689153][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.689168][    C0] yealink 1-1:36.0: unexpected response 0
[  454.689277][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.689318][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.689370][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.689431][   T37] ){+.+.}-{0:0}
[  454.689490][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.689507][    C0] yealink 4-1:36.0: unexpected response 0
[  454.689535][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.689574][    C1] yealink 3-1:36.0: unexpected response 0
[  454.689596][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.689611][    C0] yealink 1-1:36.0: unexpected response 0
[  454.689720][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.689789][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.689811][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.689873][   T37] , at: process_scheduled_works+0xa70/0x1860
[  454.689946][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.689961][    C0] yealink 4-1:36.0: unexpected response 0
[  454.690005][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.690022][    C1] yealink 3-1:36.0: unexpected response 0
[  454.690050][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.690073][    C0] yealink 1-1:36.0: unexpected response 0
[  454.690161][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.690221][   T37]  #2: ffff8880411c56b8
[  454.690236][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.690288][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.690411][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.690427][    C0] yealink 4-1:36.0: unexpected response 0
[  454.690453][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.690469][    C1] yealink 3-1:36.0: unexpected response 0
[  454.690539][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.690555][    C0] yealink 1-1:36.0: unexpected response 0
[  454.690640][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.690695][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.690714][   T37]  (
[  454.690767][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.690854][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.690869][    C0] yealink 4-1:36.0: unexpected response 0
[  454.690919][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.690935][    C1] yealink 3-1:36.0: unexpected response 0
[  454.690972][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.690988][    C0] yealink 1-1:36.0: unexpected response 0
[  454.691104][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.691153][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.691194][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.691254][   T37] &wg->static_identity.lock){++++}-{4:4}
[  454.691321][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.691337][    C0] yealink 4-1:36.0: unexpected response 0
[  454.691372][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.691388][    C1] yealink 3-1:36.0: unexpected response 0
[  454.691426][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.691442][    C0] yealink 1-1:36.0: unexpected response 0
[  454.691550][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.691608][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.691642][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.691703][   T37] , at: wg_noise_handshake_consume_initiation+0x1a1/0x9a0
[  454.691778][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.691794][    C0] yealink 4-1:36.0: unexpected response 0
[  454.691824][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.691840][    C1] yealink 3-1:36.0: unexpected response 0
[  454.691894][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.691910][    C0] yealink 1-1:36.0: unexpected response 0
[  454.691995][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.692062][   T37]  #3: 
[  454.692062][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.692122][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.692210][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.692224][    C0] yealink 4-1:36.0: unexpected response 0
[  454.692278][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.692294][    C1] yealink 3-1:36.0: unexpected response 0
[  454.692348][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.692363][    C0] yealink 1-1:36.0: unexpected response 0
[  454.692449][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.692512][   T37] ffff88803580c3e8
[  454.692517][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.692523][   T37]  (
[  454.692577][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.692665][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.692681][    C0] yealink 4-1:36.0: unexpected response 0
[  454.692737][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.692753][    C1] yealink 3-1:36.0: unexpected response 0
[  454.692792][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.692808][    C0] yealink 1-1:36.0: unexpected response 0
[  454.692893][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.692954][   T37] &handshake->lock){++++}-{4:4}
[  454.692966][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.693025][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.693120][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.693135][    C0] yealink 4-1:36.0: unexpected response 0
[  454.693182][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.693198][    C1] yealink 3-1:36.0: unexpected response 0
[  454.693247][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.693261][    C0] yealink 1-1:36.0: unexpected response 0
[  454.693346][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.693414][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.693406][   T37] , at: wg_noise_handshake_consume_initiation+0x58b/0x9a0
[  454.693484][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.693628][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.693631][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.693645][    C0] yealink 4-1:36.0: unexpected response 0
[  454.693647][    C1] yealink 3-1:36.0: unexpected response 0
[  454.693760][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.693775][    C0] yealink 1-1:36.0: unexpected response 0
[  454.693871][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.693873][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.693974][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.694036][   T37] 4 locks held by kworker/u8:19/6086:
[  454.694094][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.694110][    C1] yealink 3-1:36.0: unexpected response 0
[  454.694136][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.694152][    C0] yealink 4-1:36.0: unexpected response 0
[  454.694240][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.694256][    C0] yealink 1-1:36.0: unexpected response 0
[  454.694324][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.694376][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.694469][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.694531][   T37] 7 locks held by kworker/u8:20/6087:
[  454.694573][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.694594][    C1] yealink 3-1:36.0: unexpected response 0
[  454.694596][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.694611][    C0] yealink 4-1:36.0: unexpected response 0
[  454.694698][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.694713][    C0] yealink 1-1:36.0: unexpected response 0
[  454.694809][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.694825][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.694913][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.695024][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.695041][    C1] yealink 3-1:36.0: unexpected response 0
[  454.695044][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.695068][    C0] yealink 4-1:36.0: unexpected response 0
[  454.695156][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.695171][    C0] yealink 1-1:36.0: unexpected response 0
[  454.695281][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.695314][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.695372][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.695501][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.695517][    C0] yealink 4-1:36.0: unexpected response 0
[  454.695529][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.695545][    C1] yealink 3-1:36.0: unexpected response 0
[  454.695605][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.695620][    C0] yealink 1-1:36.0: unexpected response 0
[  454.695772][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.695798][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.695863][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.695986][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.696003][    C0] yealink 4-1:36.0: unexpected response 0
[  454.696016][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.696033][    C1] yealink 3-1:36.0: unexpected response 0
[  454.696098][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.696114][    C0] yealink 1-1:36.0: unexpected response 0
[  454.696202][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.696247][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.696327][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.696414][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.696429][    C0] yealink 4-1:36.0: unexpected response 0
[  454.696462][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.696478][    C1] yealink 3-1:36.0: unexpected response 0
[  454.696542][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.696558][    C0] yealink 1-1:36.0: unexpected response 0
[  454.696644][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.696697][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.696768][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.696922][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.696924][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.696938][    C1] yealink 3-1:36.0: unexpected response 0
[  454.696940][    C0] yealink 4-1:36.0: unexpected response 0
[  454.697038][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.697059][    C0] yealink 1-1:36.0: unexpected response 0
[  454.697163][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.697171][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.697261][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.697379][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.697385][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.697395][    C1] yealink 3-1:36.0: unexpected response 0
[  454.697401][    C0] yealink 4-1:36.0: unexpected response 0
[  454.697488][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.697503][    C0] yealink 1-1:36.0: unexpected response 0
[  454.697610][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.697613][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.697702][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.697826][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.697828][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.697841][    C1] yealink 3-1:36.0: unexpected response 0
[  454.697843][    C0] yealink 4-1:36.0: unexpected response 0
[  454.697941][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.697956][    C0] yealink 1-1:36.0: unexpected response 0
[  454.698065][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.698074][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.698162][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.698223][   T37] 2 locks held by kworker/0:12/6088:
[  454.698282][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.698290][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.698298][    C1] yealink 3-1:36.0: unexpected response 0
[  454.698305][    C0] yealink 4-1:36.0: unexpected response 0
[  454.698393][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.698408][    C0] yealink 1-1:36.0: unexpected response 0
[  454.698512][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.698518][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.698606][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.698731][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.698733][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.698747][    C1] yealink 3-1:36.0: unexpected response 0
[  454.698748][    C0] yealink 4-1:36.0: unexpected response 0
[  454.698846][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.698861][    C0] yealink 1-1:36.0: unexpected response 0
[  454.698973][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.698977][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.699070][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.699203][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.699218][    C1] yealink 3-1:36.0: unexpected response 0
[  454.699262][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.699278][    C0] yealink 4-1:36.0: unexpected response 0
[  454.699374][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.699389][    C0] yealink 1-1:36.0: unexpected response 0
[  454.699444][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.699496][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.699613][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.699672][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.699688][    C1] yealink 3-1:36.0: unexpected response 0
[  454.699703][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.699718][    C0] yealink 4-1:36.0: unexpected response 0
[  454.699828][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.699843][    C0] yealink 1-1:36.0: unexpected response 0
[  454.699903][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.699931][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.700059][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.700119][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.700135][    C1] yealink 3-1:36.0: unexpected response 0
[  454.700188][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.700203][    C0] yealink 4-1:36.0: unexpected response 0
[  454.700313][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.700329][    C0] yealink 1-1:36.0: unexpected response 0
[  454.700352][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.700417][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.700539][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.700591][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.700607][    C1] yealink 3-1:36.0: unexpected response 0
[  454.700628][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.700644][    C0] yealink 4-1:36.0: unexpected response 0
[  454.700756][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.700771][    C0] yealink 1-1:36.0: unexpected response 0
[  454.700822][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.700861][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.700922][   T37]  #0: ffffffff8e109770
[  454.700989][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.701038][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.701053][    C1] yealink 3-1:36.0: unexpected response 0
[  454.701088][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.701103][    C0] yealink 4-1:36.0: unexpected response 0
[  454.701191][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.701206][    C0] yealink 1-1:36.0: unexpected response 0
[  454.701267][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.701320][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.701408][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.701480][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.701496][    C1] yealink 3-1:36.0: unexpected response 0
[  454.701534][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.701549][    C0] yealink 4-1:36.0: unexpected response 0
[  454.701635][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.701651][    C0] yealink 1-1:36.0: unexpected response 0
[  454.701761][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.701778][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.701849][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.701980][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.701996][    C0] yealink 4-1:36.0: unexpected response 0
[  454.702001][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.702017][    C1] yealink 3-1:36.0: unexpected response 0
[  454.702089][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.702105][    C0] yealink 1-1:36.0: unexpected response 0
[  454.702217][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.702231][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.702306][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.702429][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.702445][    C0] yealink 4-1:36.0: unexpected response 0
[  454.702448][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.702464][    C1] yealink 3-1:36.0: unexpected response 0
[  454.702533][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.702548][    C0] yealink 1-1:36.0: unexpected response 0
[  454.702660][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.702681][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.702750][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.702872][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.702888][    C0] yealink 4-1:36.0: unexpected response 0
[  454.702897][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.702913][    C1] yealink 3-1:36.0: unexpected response 0
[  454.702976][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.702992][    C0] yealink 1-1:36.0: unexpected response 0
[  454.703107][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.703127][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.703197][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.703351][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.703353][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.703367][    C0] yealink 4-1:36.0: unexpected response 0
[  454.703369][    C1] yealink 3-1:36.0: unexpected response 0
[  454.703456][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.703471][    C0] yealink 1-1:36.0: unexpected response 0
[  454.703581][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.703592][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.703672][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.703820][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.703825][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.703836][    C0] yealink 4-1:36.0: unexpected response 0
[  454.703841][    C1] yealink 3-1:36.0: unexpected response 0
[  454.703924][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.703938][    C0] yealink 1-1:36.0: unexpected response 0
[  454.704074][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.704077][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.704166][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.704291][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.704307][    C0] yealink 4-1:36.0: unexpected response 0
[  454.704316][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.704333][    C1] yealink 3-1:36.0: unexpected response 0
[  454.704395][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.704410][    C0] yealink 1-1:36.0: unexpected response 0
[  454.704522][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.704560][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.704612][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.704735][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.704751][    C0] yealink 4-1:36.0: unexpected response 0
[  454.704776][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.704792][    C1] yealink 3-1:36.0: unexpected response 0
[  454.704842][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.704858][    C0] yealink 1-1:36.0: unexpected response 0
[  454.704971][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.705005][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.705073][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.705184][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.705200][    C0] yealink 4-1:36.0: unexpected response 0
[  454.705223][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.705239][    C1] yealink 3-1:36.0: unexpected response 0
[  454.705289][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.705304][    C0] yealink 1-1:36.0: unexpected response 0
[  454.705414][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.705455][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.705505][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.705566][   T37]  (remove_cache_srcu
[  454.705634][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.705651][    C0] yealink 4-1:36.0: unexpected response 0
[  454.705674][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.705690][    C1] yealink 3-1:36.0: unexpected response 0
[  454.705777][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.705792][    C0] yealink 1-1:36.0: unexpected response 0
[  454.705939][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.705942][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.706043][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.706178][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.706180][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.706194][    C0] yealink 4-1:36.0: unexpected response 0
[  454.706196][    C1] yealink 3-1:36.0: unexpected response 0
[  454.706292][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.706309][    C0] yealink 1-1:36.0: unexpected response 0
[  454.706422][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.706427][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.706512][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.706642][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.706659][    C1] yealink 3-1:36.0: unexpected response 0
[  454.706659][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.706675][    C0] yealink 4-1:36.0: unexpected response 0
[  454.706784][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.706799][    C0] yealink 1-1:36.0: unexpected response 0
[  454.706876][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.706887][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.707013][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.707092][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.707108][    C1] yealink 3-1:36.0: unexpected response 0
[  454.707113][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.707128][    C0] yealink 4-1:36.0: unexpected response 0
[  454.707214][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.707230][    C0] yealink 1-1:36.0: unexpected response 0
[  454.707322][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.707344][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.707432][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.707537][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.707558][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.707560][    C1] yealink 3-1:36.0: unexpected response 0
[  454.707574][    C0] yealink 4-1:36.0: unexpected response 0
[  454.707662][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.707677][    C0] yealink 1-1:36.0: unexpected response 0
[  454.707799][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.707801][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.707889][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.708015][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.708017][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.708031][    C0] yealink 4-1:36.0: unexpected response 0
[  454.708033][    C1] yealink 3-1:36.0: unexpected response 0
[  454.708125][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.708140][    C0] yealink 1-1:36.0: unexpected response 0
[  454.708252][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.708284][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.708343][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.708465][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.708481][    C0] yealink 4-1:36.0: unexpected response 0
[  454.708501][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.708517][    C1] yealink 3-1:36.0: unexpected response 0
[  454.708569][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.708585][    C0] yealink 1-1:36.0: unexpected response 0
[  454.708696][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.708748][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.708798][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.708919][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.708934][    C0] yealink 4-1:36.0: unexpected response 0
[  454.708965][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.708981][    C1] yealink 3-1:36.0: unexpected response 0
[  454.709033][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.709056][    C0] yealink 1-1:36.0: unexpected response 0
[  454.709146][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.709207][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.709269][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.709355][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.709370][    C0] yealink 4-1:36.0: unexpected response 0
[  454.709422][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.709437][    C1] yealink 3-1:36.0: unexpected response 0
[  454.709486][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.709501][    C0] yealink 1-1:36.0: unexpected response 0
[  454.709586][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.709651][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.709712][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.709860][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.709865][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.709881][    C0] yealink 4-1:36.0: unexpected response 0
[  454.709887][    C1] yealink 3-1:36.0: unexpected response 0
[  454.709975][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.709991][    C0] yealink 1-1:36.0: unexpected response 0
[  454.710105][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.710113][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.710202][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.710320][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.710329][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.710337][    C1] yealink 3-1:36.0: unexpected response 0
[  454.710345][    C0] yealink 4-1:36.0: unexpected response 0
[  454.710432][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.710447][    C0] yealink 1-1:36.0: unexpected response 0
[  454.710557][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.710559][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.710668][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.710792][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.710795][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.710808][    C1] yealink 3-1:36.0: unexpected response 0
[  454.710811][    C0] yealink 4-1:36.0: unexpected response 0
[  454.710898][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.710913][    C0] yealink 1-1:36.0: unexpected response 0
[  454.711036][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.711038][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.711134][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.711254][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.711258][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.711270][    C1] yealink 3-1:36.0: unexpected response 0
[  454.711273][    C0] yealink 4-1:36.0: unexpected response 0
[  454.711361][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.711376][    C0] yealink 1-1:36.0: unexpected response 0
[  454.711802][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.712027][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.712043][    C1] yealink 3-1:36.0: unexpected response 0
[  454.712258][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.712474][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.712490][    C1] yealink 3-1:36.0: unexpected response 0
[  454.712528][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.712704][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.712920][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.712937][    C1] yealink 3-1:36.0: unexpected response 0
[  454.713153][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.713370][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.713386][    C1] yealink 3-1:36.0: unexpected response 0
[  454.713606][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.713823][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.713838][    C1] yealink 3-1:36.0: unexpected response 0
[  454.714056][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.714287][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.714290][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.714303][    C1] yealink 3-1:36.0: unexpected response 0
[  454.714364][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.714379][    C0] yealink 4-1:36.0: unexpected response 0
[  454.714520][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.714612][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.714628][    C0] yealink 1-1:36.0: unexpected response 0
[  454.714695][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.714743][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.714759][    C1] yealink 3-1:36.0: unexpected response 0
[  454.714761][   T37] ){.+.+}-{0:0}, at: srcu_read_lock+0x27/0x60
[  454.714850][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.714938][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.714952][    C0] yealink 4-1:36.0: unexpected response 0
[  454.715036][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.715071][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.715087][    C0] yealink 1-1:36.0: unexpected response 0
[  454.715173][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.715233][   T37]  #1: ffff88801a00b858
[  454.715252][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.715269][    C1] yealink 3-1:36.0: unexpected response 0
[  454.715299][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.715387][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.715402][    C0] yealink 4-1:36.0: unexpected response 0
[  454.715509][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.715514][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.715530][    C0] yealink 1-1:36.0: unexpected response 0
[  454.715616][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.715676][   T37]  (&n->list_lock
[  454.715760][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.715777][    C1] yealink 3-1:36.0: unexpected response 0
[  454.715777][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.715988][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.716042][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.716065][    C0] yealink 4-1:36.0: unexpected response 0
[  454.716152][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.716167][    C0] yealink 1-1:36.0: unexpected response 0
[  454.716217][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.716232][    C1] yealink 3-1:36.0: unexpected response 0
[  454.716284][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.716372][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.716432][   T37] ){+.+.}-{3:3}
[  454.716445][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.716497][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.716512][    C0] yealink 4-1:36.0: unexpected response 0
[  454.716597][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.716612][    C0] yealink 1-1:36.0: unexpected response 0
[  454.716663][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.716679][    C1] yealink 3-1:36.0: unexpected response 0
[  454.716724][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.716812][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.716871][   T37] , at: __slab_free+0xf1/0x2a0
[  454.716892][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.716948][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.716964][    C0] yealink 4-1:36.0: unexpected response 0
[  454.717055][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.717070][    C0] yealink 1-1:36.0: unexpected response 0
[  454.717110][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.717126][    C1] yealink 3-1:36.0: unexpected response 0
[  454.717181][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.717272][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.717337][   T37] 
[  454.717337][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.717396][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.717411][    C0] yealink 4-1:36.0: unexpected response 0
[  454.717496][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.717511][    C0] yealink 1-1:36.0: unexpected response 0
[  454.717569][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.717585][    C1] yealink 3-1:36.0: unexpected response 0
[  454.717613][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.717674][   T37] =============================================
[  454.717674][   T37] 
[  454.717731][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.717800][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.717820][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.717836][    C0] yealink 4-1:36.0: unexpected response 0
[  454.717942][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.717957][    C0] yealink 1-1:36.0: unexpected response 0
[  454.718017][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.718033][    C1] yealink 3-1:36.0: unexpected response 0
[  454.718044][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.718175][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.718247][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.718263][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.718279][    C0] yealink 4-1:36.0: unexpected response 0
[  454.718386][    C0] yealink 1-1:36.0: urb_irq_callback - urb status -71
[  454.718402][    C0] yealink 1-1:36.0: unexpected response 0
[  454.718463][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.718479][    C1] yealink 3-1:36.0: unexpected response 0
[  454.718490][    C0] yealink 4-1:36.0: urb_ctl_callback - urb status -71
[  454.718558][   T37] NMI backtrace for cpu 0
[  454.718590][   T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  454.718612][   T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  454.718624][   T37] Call Trace:
[  454.718632][   T37]  <TASK>
[  454.718641][   T37]  dump_stack_lvl+0xe8/0x150
[  454.718667][   T37]  nmi_cpu_backtrace+0x274/0x2d0
[  454.718689][   T37]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  454.718698][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.718713][   T37]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  454.718745][   T37]  sys_info+0x135/0x170
[  454.718772][   T37]  watchdog+0xfd3/0x1030
[  454.718800][   T37]  ? watchdog+0x1c9/0x1030
[  454.718826][   T37]  kthread+0x388/0x470
[  454.718851][   T37]  ? __pfx_watchdog+0x10/0x10
[  454.718870][   T37]  ? __pfx_kthread+0x10/0x10
[  454.718897][   T37]  ret_from_fork+0x514/0xb70
[  454.718914][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.718921][   T37]  ? __pfx_ret_from_fork+0x10/0x10
[  454.718932][    C1] yealink 3-1:36.0: unexpected response 0
[  454.718943][   T37]  ? __switch_to+0xc79/0x1410
[  454.718974][   T37]  ? __pfx_kthread+0x10/0x10
[  454.719000][   T37]  ret_from_fork_asm+0x1a/0x30
[  454.719037][   T37]  </TASK>
[  454.719064][   T37] Sending NMI from CPU 0 to CPUs 1:
[  454.719098][    C1] NMI backtrace for cpu 1
[  454.719115][    C1] CPU: 1 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  454.719138][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  454.719149][    C1] RIP: 0010:in_lock_functions+0x15/0x30
[  454.719168][    C1] Code: cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 81 ff 80 8b 20 8b 0f 93 c0 48 81 ff 8a be 20 8b <0f> 92 c1 20 c1 0f b6 c1 e9 4e f9 7f 09 cc 66 66 66 66 2e 0f 1f 84
[  454.719183][    C1] RSP: 0018:ffffc900001679a8 EFLAGS: 00000293
[  454.719197][    C1] RAX: 0000000000000000 RBX: ffffffff8b1ba835 RCX: ffffffff99761303
[  454.719209][    C1] RDX: 00000000000000eb RSI: ffffffff8ba75040 RDI: ffffffff8b1ba835
[  454.719221][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[  454.719231][    C1] R10: dffffc0000000000 R11: ffffffff8b1ba7d0 R12: 1ffffffff336392e
[  454.719243][    C1] R13: 00000000ffffffff R14: 000000eb4eecb450 R15: dffffc0000000000
[  454.719256][    C1] FS:  0000000000000000(0000) GS:ffff888126274000(0000) knlGS:0000000000000000
[  454.719270][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  454.719282][    C1] CR2: 0000555583b7f4e8 CR3: 000000003cd52000 CR4: 00000000003526f0
[  454.719296][    C1] Call Trace:
[  454.719303][    C1]  <TASK>
[  454.719309][    C1]  preempt_count_add+0x91/0x190
[  454.719327][    C1]  delay_tsc+0x65/0xc0
[  454.719343][    C1]  wait_for_lsr+0x166/0x2f0
[  454.719368][    C1]  serial8250_console_write+0x120d/0x1b90
[  454.719388][    C1]  ? console_prepend_message+0x200/0x320
[  454.719407][    C1]  ? console_prepend_message+0x200/0x320
[  454.719426][    C1]  ? __pfx_serial8250_console_write+0x10/0x10
[  454.719446][    C1]  ? __pfx_console_prepend_message+0x10/0x10
[  454.719466][    C1]  ? console_flush_one_record+0x48f/0xb90
[  454.719488][    C1]  console_flush_one_record+0x68b/0xb90
[  454.719510][    C1]  ? console_flush_one_record+0xfa/0xb90
[  454.719532][    C1]  ? __pfx_console_flush_one_record+0x10/0x10
[  454.719560][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  454.719582][    C1]  legacy_kthread_func+0x1b6/0x250
[  454.719602][    C1]  ? __pfx_legacy_kthread_func+0x10/0x10
[  454.719621][    C1]  ? __pfx_autoremove_wake_function+0x10/0x10
[  454.719641][    C1]  ? __kthread_parkme+0x7a/0x1f0
[  454.719663][    C1]  kthread+0x388/0x470
[  454.719682][    C1]  ? __pfx_legacy_kthread_func+0x10/0x10
[  454.719700][    C1]  ? __pfx_kthread+0x10/0x10
[  454.719721][    C1]  ret_from_fork+0x514/0xb70
[  454.719739][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  454.719756][    C1]  ? __switch_to+0xc79/0x1410
[  454.719778][    C1]  ? __pfx_kthread+0x10/0x10
[  454.719798][    C1]  ret_from_fork_asm+0x1a/0x30
[  454.719824][    C1]  </TASK>
[  454.719889][    C1] yealink 3-1:36.0: urb_ctl_callback - urb status -71
[  454.720101][    C1] yealink 3-1:36.0: urb_irq_callback - urb status -71
[  454.720117][    C1] yealink 3-1:36.0: unexpected response 0
[  454.720127][    C0] yealink 1-1:36.0: urb_ctl_callback - urb status -71
[  454.720197][    C0] yealink 4-1:36.0: urb_irq_callback - urb status -71
[  454.720212][    C0] yealink 4-1:36.0: unexpected response 0
[  454.720281][   T37] Kernel panic - not syncing: hung_task: blocked tasks
[  454.720299][   T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  454.720320][   T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  454.720332][   T37] Call Trace:
[  454.720340][   T37]  <TASK>
[  454.720348][   T37]  vpanic+0x56c/0xa60
[  454.720374][   T37]  ? __pfx___schedule+0x10/0x10
[  454.720397][   T37]  ? __pfx_vpanic+0x10/0x10
[  454.720428][   T37]  panic+0xc5/0xd0
[  454.720451][   T37]  ? __pfx_panic+0x10/0x10
[  454.720474][   T37]  ? preempt_schedule_thunk+0x16/0x30
[  454.720507][   T37]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  454.720541][   T37]  watchdog+0x102c/0x1030
[  454.720569][   T37]  ? watchdog+0x1c9/0x1030
[  454.720596][   T37]  kthread+0x388/0x470
[  454.720622][   T37]  ? __pfx_watchdog+0x10/0x10
[  454.720641][   T37]  ? __pfx_kthread+0x10/0x10
[  454.720667][   T37]  ret_from_fork+0x514/0xb70
[  454.720690][   T37]  ? __pfx_ret_from_fork+0x10/0x10
[  454.720712][   T37]  ? __switch_to+0xc79/0x1410
[  454.720742][   T37]  ? __pfx_kthread+0x10/0x10
[  454.720768][   T37]  ret_from_fork_asm+0x1a/0x30
[  454.720807][   T37]  </TASK>
[  454.721336][   T37] Kernel Offset: disabled