BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 143s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    in-flight: 1210:free_ipc
    pending: 3*nsim_dev_hwstats_traffic_work, psi_avgs_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=12 refcnt=13
    in-flight: 5928:reg_todo
    pending: 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 3*ovs_dp_masks_rebalance, psi_avgs_work, free_obj_work, delayed_vfree_work, update_super_work
workqueue events_long: flags=0x0
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 121:defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=18 refcnt=19
    in-flight: 13:cfg80211_wiphy_work cfg80211_wiphy_work ,2120:cfg80211_wiphy_work cfg80211_wiphy_work ,67:cfg80211_wiphy_work cfg80211_wiphy_work ,37:cfg80211_wiphy_work cfg80211_wiphy_work ,3583:cfg80211_wiphy_work cfg80211_wiphy_work ,6631:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: 3*nsim_dev_trap_report_work, cfg80211_wiphy_work, toggle_allocation_gate, nsim_dev_trap_report_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    in-flight: 12:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 10:neigh_periodic_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: nf_flow_offload_work_gc, gc_worker, do_cache_clean, reg_check_chans_work, 4*check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=10
    in-flight: 3199(RESCUER):addrconf_verify_work
    inactive: 5*addrconf_verify_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49
    in-flight: 3423(RESCUER):batadv_dat_purge
    inactive: batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_nc_worker, 5*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_tt_purge, batadv_nc_worker, batadv_tt_purge, batadv_nc_worker, batadv_dat_purge, batadv_bla_periodic_work
workqueue hci0: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x6 nice=-20 active=1 refcnt=4
    in-flight: 51:hci_cmd_sync_work
workqueue hci2: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x6 nice=-20 active=1 refcnt=4
    in-flight: 5873:hci_cmd_sync_work
workqueue hci3: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x6 nice=-20 active=1 refcnt=4
    in-flight: 5874:hci_cmd_sync_work
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 7030:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 36:wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 7029:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, 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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 7028:wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 3980:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 6013:wg_packet_encrypt_worker
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, 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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x24
  pwq 6: cpus=1 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=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 5920:wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_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=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 5935:wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_decrypt_worker
workqueue bond3: flags=0x2000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY
    pending: bond_alb_monitor
    inactive: bond_mii_monitor
workqueue bond1: flags=0x2000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY
    pending: bond_mii_monitor
    inactive: bond_alb_monitor
workqueue bond2: flags=0x2000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY
    pending: bond_mii_monitor
    inactive: bond_alb_monitor
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=1s workers=8 idle: 5936 7033 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=144s workers=8 idle: 5945 5867 5981 24 44 5921
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=13 manager: 7032
pool 9: cpus=0-1 node=0 flags=0x6 nice=-20 hung=0s workers=7 manager: 5181 idle: 5862 5872 5869
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:2     state:R  running task     stack:23432 pid:121   tgid:121   ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_long defense_work_handler
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:7145
 preempt_schedule+0xae/0xc0 kernel/sched/core.c:7169
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0x13e/0x1c0 kernel/softirq.c:414
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 update_defense_level+0x8d2/0xd80 net/netfilter/ipvs/ip_vs_ctl.c:210
 defense_work_handler+0x2d/0xd0 net/netfilter/ipvs/ip_vs_ctl.c:235
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>