bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 42s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=18 refcnt=19 in-flight: 9:reg_todo ,6557:nsim_fib_event_work pending: 2*psi_avgs_work, vmstat_shepherd, psi_avgs_work, drm_fb_helper_damage_work, 5*ovs_dp_masks_rebalance, 6*nsim_dev_hwstats_traffic_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=9 refcnt=10 pending: 3*nsim_dev_hwstats_traffic_work, 3*ovs_dp_masks_rebalance, psi_avgs_work, delayed_vfree_work, free_obj_work workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=5 refcnt=6 in-flight: 8558:defense_work_handler pending: 4*defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 in-flight: 6550:defense_work_handler pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=8 refcnt=9 in-flight: 12:cfg80211_wiphy_work cfg80211_wiphy_work ,9800:cfg80211_wiphy_work cfg80211_wiphy_work ,8503:cfg80211_wiphy_work ,2094:cfg80211_wiphy_work cfg80211_wiphy_work pending: toggle_allocation_gate pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 in-flight: 2072:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work cfg80211_wiphy_work ,2115:cfg80211_wiphy_work cfg80211_wiphy_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=11 refcnt=12 in-flight: 41:linkwatch_event pending: 3*nsim_dev_trap_report_work, macvlan_process_broadcast, 6*nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5 pending: 4*macvlan_process_broadcast workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x6 nice=0 active=8 refcnt=9 in-flight: 227:neigh_periodic_work pending: gc_worker, neigh_periodic_work, do_cache_clean, crda_timeout_work, fb_flashcursor, wg_ratelimiter_gc_entries, neigh_managed_work workqueue rcu_gp: flags=0x108 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: process_srcu workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 15:cleanup_net workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x2 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 quota_events_unbound: flags=0xa pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 51(RESCUER):quota_release_workfn BAR(7260) workqueue mld: flags=0x40108 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=26 pending: mld_dad_work inactive: 24*mld_dad_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=48 in-flight: 4311(RESCUER):batadv_tt_purge inactive: 3*batadv_tt_purge, 5*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, 6*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_dat_purge, 3*batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_tt_purge workqueue hci0: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6562:hci_cmd_sync_work 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=0x128 pwq 2: cpus=0 node=0 flags=0x2 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-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 9801:wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x128 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-wg2: flags=0x128 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=0x128 pwq 2: cpus=0 node=0 flags=0x2 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-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=0x2 nice=0 active=2 refcnt=3 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x2 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=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=2 refcnt=3 pending: wg_packet_tx_worker, 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_tx_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x128 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-wg0: flags=0x128 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=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_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 loop6: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 1815:wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x128 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=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=0x2 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-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue bond1: flags=0x2000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY pending: bond_alb_monitor inactive: bond_mii_monitor pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=2s workers=7 manager: 6672 idle: 11 6638 6555 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=42s workers=8 idle: 24 6600 1813 26 6607 6660 6614 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=13 manager: 9802 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=6 idle: 53 6144 6556 6553 6560 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 6: task:kworker/1:3 state:R running task stack:0 pid:6550 tgid:6550 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:5325 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6929 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7113 preempt_schedule+0x60/0x80 kernel/sched/core.c:7137 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 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:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 net_ratelimit: 186715 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) net_ratelimit: 195677 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:be:31:60:ab:09, vlan:0)