BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 160s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: 6*nsim_dev_hwstats_traffic_work, ovs_dp_masks_rebalance, vmstat_shepherd
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=15 refcnt=16
    in-flight: 3563:switchdev_deferred_process_work for 149s switchdev_deferred_process_work
    pending: 4*nsim_dev_hwstats_traffic_work, psi_avgs_work, 7*ovs_dp_masks_rebalance, mptcp_worker
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 2*defense_work_handler, 2*br_fdb_cleanup
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=7 refcnt=8
    pending: 7*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=20 refcnt=21
    in-flight: 158:cfg80211_wiphy_work for 66s ,10303:cfg80211_wiphy_work for 59s ,1158:cfg80211_wiphy_work for 125s ,104:cfg80211_wiphy_work for 32s ,25400:cfg80211_wiphy_work for 138s cfg80211_wiphy_work ,9132:cfg80211_wiphy_work for 109s ,712:cfg80211_wiphy_work for 46s ,26701:cfg80211_wiphy_work for 121s
    pending: 2*cfg80211_wiphy_work, macvlan_process_broadcast, cfg80211_wiphy_work, 2*macvlan_process_broadcast, 4*cfg80211_wiphy_work, idle_cull_fn
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=20 refcnt=21
    in-flight: 31430:cfg80211_wiphy_work for 149s cfg80211_wiphy_work ,63:cfg80211_wiphy_work for 150s cfg80211_wiphy_work ,10306:linkwatch_event for 163s linkwatch_event
    pending: 3*nsim_dev_trap_report_work, toggle_allocation_gate, flush_memcg_stats_dwork, crng_reseed, 4*nsim_dev_trap_report_work, macvlan_process_broadcast, 3*nsim_dev_trap_report_work
workqueue events_freezable: flags=0x104
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: update_balloon_stats_func
workqueue events_power_efficient: flags=0x180
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    in-flight: 8287:neigh_periodic_work for 162s
    pending: wg_ratelimiter_gc_entries, neigh_managed_work, 2*hash_netportnet6_gc, do_cache_clean, 2*check_lifetime
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=9 refcnt=10
    in-flight: 16352:gc_worker for 58s ,651:reg_check_chans_work for 142s
    pending: 3*check_lifetime, neigh_managed_work, 2*check_lifetime, neigh_periodic_work
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5
    in-flight: 8288:cleanup_net for 192s
    inactive: cleanup_net
workqueue mm_percpu_wq: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=5 MAYDAY
    in-flight: 32(RESCUER):wb_workfn for 58s
    pending: mayday_cursor_func, wb_update_bandwidth_workfn
workqueue ib-unreg-wq: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 138:ib_unregister_work for 171s
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=14 MAYDAY
    in-flight: 3187(RESCUER):addrconf_verify_work for 134s
    pending: mayday_cursor_func
    inactive: 8*addrconf_verify_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=63 MAYDAY
    in-flight: 3412(RESCUER):batadv_tt_purge for 30s
    pending: mayday_cursor_func
    inactive: 3*batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_tt_purge, batadv_dat_purge, 2*batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_bla_periodic_work, 2*batadv_dat_purge, 5*batadv_iv_send_outstanding_bat_ogm_packet, 7*batadv_mcast_mla_update, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, 2*batadv_bla_periodic_work, 3*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 9*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, batadv_dat_purge
workqueue wg-kex-wg0: flags=0x124
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    in-flight: 27847:wg_packet_handshake_receive_worker for 82s
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    in-flight: 1150:wg_packet_handshake_send_worker for 88s
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue hci1: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 25423:hci_cmd_sync_work for 72s
workqueue hci4: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 6584:hci_cmd_sync_work for 72s
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=162s workers=11 idle: 797 8394 8313 30890 30894 635 5913 16204 634 8370
pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=59s workers=7 manager: 16775 idle: 631 646
pool 8: cpus=0-1 flags=0x6 nice=0 hung=31s workers=15 manager: 9134
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=5 idle: 8076 5838 28575
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:4     state:R  running task     stack:25816 pid:8287  tgid:8287  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7095
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0xe1/0x130 kernel/softirq.c:457
 spin_unlock_bh include/linux/spinlock.h:395 [inline]
 neigh_periodic_work+0xc28/0xe50 net/core/neighbour.c:1039
 process_one_work kernel/workqueue.c:3276 [inline]
 process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>