BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 50s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    in-flight: 5711:perf_sched_delayed for 36s ,9:xfrm_state_gc_task for 52s xfrm_state_gc_task
    pending: nsim_dev_hwstats_traffic_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 4800:switchdev_deferred_process_work for 52s switchdev_deferred_process_work
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5
    in-flight: 5396:linkwatch_event for 52s ,5383:cfg80211_wiphy_work for 4s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 5386:crda_timeout_work for 49s
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4
    in-flight: 5377:cleanup_net for 56s
workqueue iou_exit: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 8056:io_ring_exit_work for 37s
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=6
    in-flight: 5431:addrconf_dad_work for 52s
    inactive: 2*addrconf_verify_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=5
    pending: batadv_iv_send_outstanding_bat_ogm_packet
    inactive: batadv_iv_send_outstanding_bat_ogm_packet
workqueue hci1: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 4718:hci_cmd_sync_work for 4s
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue bond0: flags=0x2000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=5
    pending: bond_netdev_notify_work
    inactive: bond_netdev_notify_work
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=7 idle: 1167 10 4886 5086 868
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=50s workers=10 idle: 4793 4815 867 4807 24 4814 26 4817 4816
pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=69 idle: 5413 5394 5433 5415 5416 5395 5379 5382 5409 40 5420 5399 5376 5392 5430 5400 5378 5428 58 5421 5042 5422 5417 5411 5429 5385 5418 5406 5397 5404 5414 5423 5398 5402 5387 48 5410 5407 5405 5408 212 5391 5384 5403 5388 5390 5085 5419 5389 5045 12 5412 5401 13 5424 1250 5380 266 8058 5434 8057 8060 8059
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=8 idle: 4708 4716 4715 51 4714 4717 4719
Showing backtraces of busy workers in stalled worker pools:
pool 6:
task:kworker/1:4     state:R  running task     stack:0     pid:4800  tgid:4800  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events switchdev_deferred_process_work
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5520 [inline]
 __schedule+0x1370/0x2d80 kernel/sched/core.c:7270
 __schedule_loop kernel/sched/core.c:7347 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7362
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7419
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x4ec/0xf14 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104
 process_one_work kernel/workqueue.c:3387 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838