BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 51s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11
    pending: vmstat_shepherd, psi_avgs_work, 3*nsim_dev_hwstats_traffic_work, drm_fb_helper_damage_work, 4*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=10 refcnt=11
    pending: 3*nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance, psi_avgs_work, rpc_free_client_work, nfc_urelease_event_work, 2*psi_avgs_work
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    in-flight: 19626:defense_work_handler
    pending: 4*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 6149:defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=18 refcnt=19
    in-flight: 12:cfg80211_wiphy_work cfg80211_wiphy_work ,14:nsim_dev_trap_report_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work cfg80211_wiphy_work ,255:cfg80211_wiphy_work cfg80211_wiphy_work ,4831:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: flush_memcg_stats_dwork, nsim_dev_trap_report_work, toggle_allocation_gate, 4*nsim_dev_trap_report_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    in-flight: 2090:cfg80211_wiphy_work cfg80211_wiphy_work ,19896:cfg80211_wiphy_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=11 refcnt=12
    in-flight: 19897:gc_worker ,19898:neigh_periodic_work
    pending: neigh_periodic_work, hash_net4_gc, 2*neigh_managed_work, fb_flashcursor, 3*nf_flow_offload_work_gc, wg_ratelimiter_gc_entries
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 2028:reg_check_chans_work
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY
    pending: 2*kfree_rcu_monitor
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 1875:wb_workfn
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49
    in-flight: 4282(RESCUER):batadv_tt_purge
    inactive: 2*batadv_tt_purge, batadv_bla_periodic_work, 3*batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 4*batadv_nc_worker, 5*batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 13*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, batadv_bla_periodic_work, batadv_nc_worker, batadv_dat_purge, batadv_tt_purge
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=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=0x28
  pwq 6: cpus=1 node=0 flags=0x0 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
    in-flight: 2135:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_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=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: 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
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  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-crypt-wg1: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  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-crypt-wg2: flags=0x28
  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 hci0: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=5
    in-flight: 6552:hci_cmd_sync_work
    inactive: hci_cmd_sync_work
workqueue wg-kex-wg0: 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
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_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=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: 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-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=9s workers=15 idle: 9 19625 6619 19623 19624 6620 10 2336 6604 19610 19621 19622 19628 19627
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=51s workers=9 idle: 26 6618 6611 24 6553 6651 19620 19609
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=14 manager: 19900
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=7 idle: 6556 52 6561 6558 6137 6555
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:6149  tgid:6149  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events_long defense_work_handler
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6961
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414
 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33
 update_defense_level+0x5ec/0x984 net/netfilter/ipvs/ip_vs_ctl.c:210
 defense_work_handler+0x30/0xdc net/netfilter/ipvs/ip_vs_ctl.c:235
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:c2:af:cb:5d:96, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:c2:af:cb:5d:96, vlan:0)