[ 23.872905][ T236] ip (236) used greatest stack depth: 23392 bytes left [ 26.889409][ T281] 8021q: 802.1Q VLAN Support v1.8 [ 29.555764][ T309] lag2: Mode changed to "loadbalance" [ 29.824701][ T312] lag2: Port device veth3 added [ 30.196502][ T315] lag2: Port device veth5 added [ 30.427217][ T317] 8021q: adding VLAN 0 to HW filter on device lag2 [ 30.551609][ T318] 8021q: adding VLAN 0 to HW filter on device lag2 [ 32.187098][ T333] gre: GRE over IPv4 demultiplexor driver [ 32.208917][ T333] ip_gre: GRE over IPv4 tunneling driver [ 32.989592][ T344] lag1: Mode changed to "loadbalance" [ 33.265857][ T347] lag1: Port device veth2 added [ 33.626722][ T350] lag1: Port device veth4 added [ 33.878007][ T352] 8021q: adding VLAN 0 to HW filter on device lag1 [ 34.496671][ T357] GACT probability NOT on [ 42.052905][ T385] Mirror/redirect action on [ 42.208202][ T386] lag2: Port device veth5 removed [ 46.622384][ T397] lag2: Port device veth3 removed [ 54.124782][ T434] lag2: Mode changed to "loadbalance" [ 54.421043][ T437] lag2: Port device veth3 added [ 54.789594][ T442] lag2: Port device veth5 added [ 55.051172][ T444] 8021q: adding VLAN 0 to HW filter on device lag2 [ 55.199647][ T445] 8021q: adding VLAN 0 to HW filter on device lag2 [ 62.201171][ T470] lag2: Port device veth3 removed [ 66.512472][ T480] lag2: Port device veth5 removed [ 73.965242][ T516] lag2: Mode changed to "loadbalance" [ 74.210378][ T519] lag2: Port device veth3 added [ 74.565906][ T525] lag2: Port device veth5 added [ 74.806469][ T527] 8021q: adding VLAN 0 to HW filter on device lag2 [ 74.927720][ T528] 8021q: adding VLAN 0 to HW filter on device lag2 [ 82.780262][ T344] lag1: Port device veth4 removed [ 82.786752][ T344] lag1: Port device veth2 removed [ 82.839870][ T344] [ 82.839999][ T344] ===================================================== [ 82.840272][ T344] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 82.840496][ T344] 6.9.0-rc1-virtme #1 Not tainted [ 82.840638][ T344] ----------------------------------------------------- [ 82.840809][ T344] teamd/344 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 82.840982][ T344] ffff88800596cee8 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 82.841237][ T344] [ 82.841237][ T344] and this task is already holding: [ 82.841438][ T344] ffff88802f83ef98 (&ul->lock#2){+.-.}-{2:2}, at: rt_flush_dev+0x13b/0x670 [ 82.841694][ T344] which would create a new lock dependency: [ 82.841865][ T344] (&ul->lock#2){+.-.}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 82.842073][ T344] [ 82.842073][ T344] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 82.842323][ T344] (&ul->lock#2){+.-.}-{2:2} [ 82.842328][ T344] [ 82.842328][ T344] ... which became SOFTIRQ-irq-safe at: [ 82.842671][ T344] __lock_acquire+0x797/0x1570 [ 82.842815][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.842955][ T344] _raw_spin_lock_bh+0x38/0x50 [ 82.843097][ T344] rt_add_uncached_list+0x55/0x1b0 [ 82.843235][ T344] rt_cache_route+0xfd/0x150 [ 82.843375][ T344] rt_set_nexthop.constprop.0+0x275/0x10c0 [ 82.843550][ T344] __mkroute_output+0x4fa/0x1070 [ 82.843688][ T344] ip_route_output_key_hash+0x15d/0x2b0 [ 82.843825][ T344] ip_route_output_flow+0x23/0x140 [ 82.843982][ T344] ip_tunnel_xmit+0x6c7/0x2890 [ 82.844131][ T344] __gre_xmit+0x4af/0xa40 [ip_gre] [ 82.844279][ T344] gre_tap_xmit+0x431/0x580 [ip_gre] [ 82.844427][ T344] dev_hard_start_xmit+0x10e/0x360 [ 82.844568][ T344] sch_direct_xmit+0x1d1/0xa50 [ 82.844709][ T344] __dev_xmit_skb+0x936/0xfa0 [ 82.844845][ T344] __dev_queue_xmit+0x8ae/0x16d0 [ 82.844980][ T344] tcf_mirred_to_dev+0x753/0xeb0 [act_mirred] [ 82.845150][ T344] tcf_mirred_act+0x33b/0x780 [act_mirred] [ 82.845321][ T344] tcf_action_exec.part.0+0x112/0x3d0 [ 82.845458][ T344] fl_classify+0x508/0x680 [cls_flower] [ 82.845630][ T344] __tcf_classify+0x329/0x7d0 [ 82.845769][ T344] tcf_classify+0x283/0x930 [ 82.845906][ T344] tc_run+0x2be/0x700 [ 82.846009][ T344] __netif_receive_skb_core.constprop.0+0x10ea/0x2d20 [ 82.846177][ T344] __netif_receive_skb_one_core+0xaf/0x1b0 [ 82.846347][ T344] process_backlog+0x103/0x670 [ 82.846487][ T344] __napi_poll.constprop.0+0xa2/0x460 [ 82.846628][ T344] net_rx_action+0x49f/0xc00 [ 82.846769][ T344] __do_softirq+0x1f8/0x5df [ 82.846905][ T344] irq_exit_rcu+0x97/0xc0 [ 82.847042][ T344] sysvec_apic_timer_interrupt+0x75/0x80 [ 82.847181][ T344] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 82.847354][ T344] default_idle+0xf/0x20 [ 82.847457][ T344] default_idle_call+0x6d/0xb0 [ 82.847595][ T344] cpuidle_idle_call+0x1f4/0x280 [ 82.847736][ T344] do_idle+0xf9/0x160 [ 82.847840][ T344] cpu_startup_entry+0x54/0x60 [ 82.847994][ T344] start_secondary+0x21c/0x2b0 [ 82.848135][ T344] common_startup_64+0x12c/0x138 [ 82.848277][ T344] [ 82.848277][ T344] to a SOFTIRQ-irq-unsafe lock: [ 82.848443][ T344] (&p->alloc_lock){+.+.}-{2:2} [ 82.848448][ T344] [ 82.848448][ T344] ... which became SOFTIRQ-irq-unsafe at: [ 82.848787][ T344] ... [ 82.848789][ T344] __lock_acquire+0x797/0x1570 [ 82.848999][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.849141][ T344] _raw_spin_lock+0x30/0x40 [ 82.849279][ T344] set_mems_allowed+0x1d/0x210 [ 82.849417][ T344] kernel_init_freeable+0x72/0x310 [ 82.849555][ T344] kernel_init+0x20/0x200 [ 82.849691][ T344] ret_from_fork+0x31/0x70 [ 82.849828][ T344] ret_from_fork_asm+0x1a/0x30 [ 82.849962][ T344] [ 82.849962][ T344] other info that might help us debug this: [ 82.849962][ T344] [ 82.850234][ T344] Possible interrupt unsafe locking scenario: [ 82.850234][ T344] [ 82.850433][ T344] CPU0 CPU1 [ 82.850567][ T344] ---- ---- [ 82.850702][ T344] lock(&p->alloc_lock); [ 82.850811][ T344] local_irq_disable(); [ 82.850978][ T344] lock(&ul->lock#2); [ 82.851154][ T344] lock(&p->alloc_lock); [ 82.851326][ T344] [ 82.851426][ T344] lock(&ul->lock#2); [ 82.851536][ T344] [ 82.851536][ T344] *** DEADLOCK *** [ 82.851536][ T344] [ 82.851734][ T344] 2 locks held by teamd/344: [ 82.851874][ T344] #0: ffffffffb4b969c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 82.852118][ T344] #1: ffff88802f83ef98 (&ul->lock#2){+.-.}-{2:2}, at: rt_flush_dev+0x13b/0x670 [ 82.852374][ T344] [ 82.852374][ T344] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 82.852648][ T344] -> (&ul->lock#2){+.-.}-{2:2} { [ 82.852795][ T344] HARDIRQ-ON-W at: [ 82.852906][ T344] __lock_acquire+0x797/0x1570 [ 82.853084][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.853257][ T344] _raw_spin_lock_bh+0x38/0x50 [ 82.853433][ T344] rt_add_uncached_list+0x55/0x1b0 [ 82.853605][ T344] rt_cache_route+0xfd/0x150 [ 82.853774][ T344] rt_set_nexthop.constprop.0+0x275/0x10c0 [ 82.853977][ T344] __mkroute_output+0x4fa/0x1070 [ 82.854149][ T344] ip_route_output_key_hash+0x15d/0x2b0 [ 82.854357][ T344] ip_route_output_flow+0x23/0x140 [ 82.854541][ T344] ip_tunnel_xmit+0x6c7/0x2890 [ 82.854719][ T344] __gre_xmit+0x4af/0xa40 [ip_gre] [ 82.854898][ T344] gre_tap_xmit+0x431/0x580 [ip_gre] [ 82.855072][ T344] dev_hard_start_xmit+0x10e/0x360 [ 82.855244][ T344] sch_direct_xmit+0x1d1/0xa50 [ 82.855421][ T344] __dev_xmit_skb+0x936/0xfa0 [ 82.855603][ T344] __dev_queue_xmit+0x8ae/0x16d0 [ 82.855774][ T344] tcf_mirred_to_dev+0x753/0xeb0 [act_mirred] [ 82.855984][ T344] tcf_mirred_act+0x33b/0x780 [act_mirred] [ 82.856191][ T344] tcf_action_exec.part.0+0x112/0x3d0 [ 82.856371][ T344] fl_classify+0x508/0x680 [cls_flower] [ 82.856593][ T344] __tcf_classify+0x329/0x7d0 [ 82.856773][ T344] tcf_classify+0x283/0x930 [ 82.856944][ T344] tc_run+0x2be/0x700 [ 82.857082][ T344] __netif_receive_skb_core.constprop.0+0x10ea/0x2d20 [ 82.857289][ T344] __netif_receive_skb_one_core+0xaf/0x1b0 [ 82.857492][ T344] process_backlog+0x103/0x670 [ 82.857666][ T344] __napi_poll.constprop.0+0xa2/0x460 [ 82.857842][ T344] net_rx_action+0x49f/0xc00 [ 82.858015][ T344] __do_softirq+0x1f8/0x5df [ 82.858188][ T344] irq_exit_rcu+0x97/0xc0 [ 82.858363][ T344] sysvec_apic_timer_interrupt+0x75/0x80 [ 82.858714][ T344] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 82.858921][ T344] default_idle+0xf/0x20 [ 82.859100][ T344] default_idle_call+0x6d/0xb0 [ 82.859272][ T344] cpuidle_idle_call+0x1f4/0x280 [ 82.859444][ T344] do_idle+0xf9/0x160 [ 82.859581][ T344] cpu_startup_entry+0x54/0x60 [ 82.859752][ T344] start_secondary+0x21c/0x2b0 [ 82.859926][ T344] common_startup_64+0x12c/0x138 [ 82.860098][ T344] IN-SOFTIRQ-W at: [ 82.860209][ T344] __lock_acquire+0x797/0x1570 [ 82.860396][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.860569][ T344] _raw_spin_lock_bh+0x38/0x50 [ 82.860740][ T344] rt_add_uncached_list+0x55/0x1b0 [ 82.860912][ T344] rt_cache_route+0xfd/0x150 [ 82.861083][ T344] rt_set_nexthop.constprop.0+0x275/0x10c0 [ 82.861292][ T344] __mkroute_output+0x4fa/0x1070 [ 82.861554][ T344] ip_route_output_key_hash+0x15d/0x2b0 [ 82.861759][ T344] ip_route_output_flow+0x23/0x140 [ 82.861932][ T344] ip_tunnel_xmit+0x6c7/0x2890 [ 82.862108][ T344] __gre_xmit+0x4af/0xa40 [ip_gre] [ 82.862282][ T344] gre_tap_xmit+0x431/0x580 [ip_gre] [ 82.862463][ T344] dev_hard_start_xmit+0x10e/0x360 [ 82.862636][ T344] sch_direct_xmit+0x1d1/0xa50 [ 82.862891][ T344] __dev_xmit_skb+0x936/0xfa0 [ 82.863062][ T344] __dev_queue_xmit+0x8ae/0x16d0 [ 82.863231][ T344] tcf_mirred_to_dev+0x753/0xeb0 [act_mirred] [ 82.863523][ T344] tcf_mirred_act+0x33b/0x780 [act_mirred] [ 82.863735][ T344] tcf_action_exec.part.0+0x112/0x3d0 [ 82.863906][ T344] fl_classify+0x508/0x680 [cls_flower] [ 82.864113][ T344] __tcf_classify+0x329/0x7d0 [ 82.864281][ T344] tcf_classify+0x283/0x930 [ 82.864463][ T344] tc_run+0x2be/0x700 [ 82.864601][ T344] __netif_receive_skb_core.constprop.0+0x10ea/0x2d20 [ 82.864895][ T344] __netif_receive_skb_one_core+0xaf/0x1b0 [ 82.865099][ T344] process_backlog+0x103/0x670 [ 82.865273][ T344] __napi_poll.constprop.0+0xa2/0x460 [ 82.865526][ T344] net_rx_action+0x49f/0xc00 [ 82.865701][ T344] __do_softirq+0x1f8/0x5df [ 82.865871][ T344] irq_exit_rcu+0x97/0xc0 [ 82.866138][ T344] sysvec_apic_timer_interrupt+0x75/0x80 [ 82.866344][ T344] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 82.866548][ T344] default_idle+0xf/0x20 [ 82.866804][ T344] default_idle_call+0x6d/0xb0 [ 82.866977][ T344] cpuidle_idle_call+0x1f4/0x280 [ 82.867150][ T344] do_idle+0xf9/0x160 [ 82.867288][ T344] cpu_startup_entry+0x54/0x60 [ 82.867546][ T344] start_secondary+0x21c/0x2b0 [ 82.867718][ T344] common_startup_64+0x12c/0x138 [ 82.867890][ T344] INITIAL USE at: [ 82.867993][ T344] __lock_acquire+0x797/0x1570 [ 82.868245][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.868429][ T344] _raw_spin_lock_bh+0x38/0x50 [ 82.868615][ T344] rt_add_uncached_list+0x55/0x1b0 [ 82.868951][ T344] rt_cache_route+0xfd/0x150 [ 82.869119][ T344] rt_set_nexthop.constprop.0+0x275/0x10c0 [ 82.869321][ T344] __mkroute_output+0x4fa/0x1070 [ 82.869576][ T344] ip_route_output_key_hash+0x15d/0x2b0 [ 82.869746][ T344] ip_route_output_flow+0x23/0x140 [ 82.869920][ T344] ip_tunnel_xmit+0x6c7/0x2890 [ 82.870092][ T344] __gre_xmit+0x4af/0xa40 [ip_gre] [ 82.870267][ T344] gre_tap_xmit+0x431/0x580 [ip_gre] [ 82.870440][ T344] dev_hard_start_xmit+0x10e/0x360 [ 82.870611][ T344] sch_direct_xmit+0x1d1/0xa50 [ 82.870862][ T344] __dev_xmit_skb+0x936/0xfa0 [ 82.871035][ T344] __dev_queue_xmit+0x8ae/0x16d0 [ 82.871206][ T344] tcf_mirred_to_dev+0x753/0xeb0 [act_mirred] [ 82.871492][ T344] tcf_mirred_act+0x33b/0x780 [act_mirred] [ 82.871705][ T344] tcf_action_exec.part.0+0x112/0x3d0 [ 82.871875][ T344] fl_classify+0x508/0x680 [cls_flower] [ 82.872052][ T344] __tcf_classify+0x329/0x7d0 [ 82.872229][ T344] tcf_classify+0x283/0x930 [ 82.872405][ T344] tc_run+0x2be/0x700 [ 82.872555][ T344] __netif_receive_skb_core.constprop.0+0x10ea/0x2d20 [ 82.872843][ T344] __netif_receive_skb_one_core+0xaf/0x1b0 [ 82.873046][ T344] process_backlog+0x103/0x670 [ 82.873216][ T344] __napi_poll.constprop.0+0xa2/0x460 [ 82.873473][ T344] net_rx_action+0x49f/0xc00 [ 82.873643][ T344] __do_softirq+0x1f8/0x5df [ 82.873815][ T344] irq_exit_rcu+0x97/0xc0 [ 82.874066][ T344] sysvec_apic_timer_interrupt+0x75/0x80 [ 82.874271][ T344] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 82.874476][ T344] default_idle+0xf/0x20 [ 82.874728][ T344] default_idle_call+0x6d/0xb0 [ 82.874906][ T344] cpuidle_idle_call+0x1f4/0x280 [ 82.875079][ T344] do_idle+0xf9/0x160 [ 82.875216][ T344] cpu_startup_entry+0x54/0x60 [ 82.875466][ T344] start_secondary+0x21c/0x2b0 [ 82.875640][ T344] common_startup_64+0x12c/0x138 [ 82.875810][ T344] } [ 82.875881][ T344] ... key at: [] __key.7+0x0/0x40 [ 82.876142][ T344] [ 82.876142][ T344] the dependencies between the lock to be acquired [ 82.876143][ T344] and SOFTIRQ-irq-unsafe lock: [ 82.876523][ T344] -> (&p->alloc_lock){+.+.}-{2:2} { [ 82.876756][ T344] HARDIRQ-ON-W at: [ 82.876863][ T344] __lock_acquire+0x797/0x1570 [ 82.877044][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.877219][ T344] _raw_spin_lock+0x30/0x40 [ 82.877470][ T344] set_mems_allowed+0x1d/0x210 [ 82.877643][ T344] kernel_init_freeable+0x72/0x310 [ 82.877815][ T344] kernel_init+0x20/0x200 [ 82.877988][ T344] ret_from_fork+0x31/0x70 [ 82.878244][ T344] ret_from_fork_asm+0x1a/0x30 [ 82.878415][ T344] SOFTIRQ-ON-W at: [ 82.878522][ T344] __lock_acquire+0x797/0x1570 [ 82.878790][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.878963][ T344] _raw_spin_lock+0x30/0x40 [ 82.879135][ T344] set_mems_allowed+0x1d/0x210 [ 82.879305][ T344] kernel_init_freeable+0x72/0x310 [ 82.879646][ T344] kernel_init+0x20/0x200 [ 82.879816][ T344] ret_from_fork+0x31/0x70 [ 82.879991][ T344] ret_from_fork_asm+0x1a/0x30 [ 82.880163][ T344] INITIAL USE at: [ 82.880265][ T344] __lock_acquire+0x797/0x1570 [ 82.880451][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.880622][ T344] _raw_spin_lock+0x30/0x40 [ 82.880874][ T344] set_mems_allowed+0x1d/0x210 [ 82.881044][ T344] kernel_init_freeable+0x72/0x310 [ 82.881218][ T344] kernel_init+0x20/0x200 [ 82.881472][ T344] ret_from_fork+0x31/0x70 [ 82.881645][ T344] ret_from_fork_asm+0x1a/0x30 [ 82.881815][ T344] } [ 82.881888][ T344] ... key at: [] __key.387+0x0/0x40 [ 82.882099][ T344] ... acquired at: [ 82.882202][ T344] check_prev_add+0x194/0xce0 [ 82.882347][ T344] validate_chain+0x71d/0x9b0 [ 82.882483][ T344] __lock_acquire+0xaf0/0x1570 [ 82.882619][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.882838][ T344] _raw_spin_lock+0x30/0x40 [ 82.882975][ T344] __get_task_comm+0x27/0x70 [ 82.883113][ T344] ref_tracker_alloc+0x2ee/0x490 [ 82.883251][ T344] rt_flush_dev+0x371/0x670 [ 82.883468][ T344] fib_netdev_event+0x248/0x5a0 [ 82.883607][ T344] notifier_call_chain+0xcd/0x150 [ 82.883750][ T344] unregister_netdevice_many_notify+0x548/0x1190 [ 82.883920][ T344] rtnl_dellink+0x330/0xa30 [ 82.884135][ T344] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 82.884270][ T344] netlink_rcv_skb+0x130/0x360 [ 82.884420][ T344] netlink_unicast+0x449/0x710 [ 82.884560][ T344] netlink_sendmsg+0x723/0xbe0 [ 82.884779][ T344] ____sys_sendmsg+0x7b2/0xa10 [ 82.884918][ T344] ___sys_sendmsg+0xee/0x170 [ 82.885058][ T344] __sys_sendmsg+0xcd/0x170 [ 82.885193][ T344] do_syscall_64+0xc6/0x1e0 [ 82.885410][ T344] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 82.885581][ T344] [ 82.885650][ T344] [ 82.885650][ T344] stack backtrace: [ 82.885819][ T344] CPU: 1 PID: 344 Comm: teamd Not tainted 6.9.0-rc1-virtme #1 [ 82.886118][ T344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 82.886425][ T344] Call Trace: [ 82.886529][ T344] [ 82.886600][ T344] dump_stack_lvl+0x82/0xd0 [ 82.886821][ T344] print_bad_irq_dependency+0x957/0xd40 [ 82.886958][ T344] ? hlock_class+0x4e/0x130 [ 82.887094][ T344] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 82.887266][ T344] ? __pfx_usage_skip+0x10/0x10 [ 82.887493][ T344] ? __bfs+0x246/0x650 [ 82.887600][ T344] ? __pfx_usage_match+0x10/0x10 [ 82.887736][ T344] check_irq_usage+0x596/0x850 [ 82.887874][ T344] ? __pfx_check_irq_usage+0x10/0x10 [ 82.888092][ T344] ? __bfs+0x246/0x650 [ 82.888194][ T344] ? __pfx_hlock_conflict+0x10/0x10 [ 82.888331][ T344] ? check_path.constprop.0+0x24/0x50 [ 82.888486][ T344] ? check_noncircular+0x14c/0x3e0 [ 82.888633][ T344] ? __pfx_check_noncircular+0x10/0x10 [ 82.888863][ T344] ? check_prev_add+0x194/0xce0 [ 82.888998][ T344] check_prev_add+0x194/0xce0 [ 82.889133][ T344] ? validate_chain+0x130/0x9b0 [ 82.889269][ T344] validate_chain+0x71d/0x9b0 [ 82.889487][ T344] ? mark_lock+0x38/0x3e0 [ 82.889590][ T344] ? __pfx_validate_chain+0x10/0x10 [ 82.889727][ T344] ? hlock_class+0x4e/0x130 [ 82.889863][ T344] ? mark_lock+0x38/0x3e0 [ 82.889967][ T344] __lock_acquire+0xaf0/0x1570 [ 82.890269][ T344] lock_acquire.part.0+0xeb/0x330 [ 82.890404][ T344] ? __get_task_comm+0x27/0x70 [ 82.890541][ T344] ? mark_lock+0x38/0x3e0 [ 82.890646][ T344] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 82.890864][ T344] ? trace_lock_acquire+0x135/0x1c0 [ 82.891000][ T344] ? __get_task_comm+0x27/0x70 [ 82.891133][ T344] ? lock_acquire+0x32/0xc0 [ 82.891268][ T344] ? __get_task_comm+0x27/0x70 [ 82.891402][ T344] _raw_spin_lock+0x30/0x40 [ 82.891633][ T344] ? __get_task_comm+0x27/0x70 [ 82.891773][ T344] __get_task_comm+0x27/0x70 [ 82.891909][ T344] ref_tracker_alloc+0x2ee/0x490 [ 82.892049][ T344] ? lock_acquire.part.0+0xeb/0x330 [ 82.892186][ T344] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 82.892321][ T344] ? rt_flush_dev+0x371/0x670 [ 82.892471][ T344] ? fib_netdev_event+0x248/0x5a0 [ 82.892610][ T344] ? notifier_call_chain+0xcd/0x150 [ 82.892831][ T344] ? unregister_netdevice_many_notify+0x548/0x1190 [ 82.892999][ T344] ? rtnl_dellink+0x330/0xa30 [ 82.893136][ T344] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 82.893271][ T344] ? netlink_rcv_skb+0x130/0x360 [ 82.893489][ T344] ? netlink_unicast+0x449/0x710 [ 82.893626][ T344] ? netlink_sendmsg+0x723/0xbe0 [ 82.893780][ T344] ? ____sys_sendmsg+0x7b2/0xa10 [ 82.893985][ T344] ? ___sys_sendmsg+0xee/0x170 [ 82.894336][ T344] ? __sys_sendmsg+0xcd/0x170 [ 82.894543][ T344] ? do_syscall_64+0xc6/0x1e0 [ 82.894716][ T344] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 82.894980][ T344] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 82.895303][ T344] ? lock_acquire+0x32/0xc0 [ 82.895516][ T344] ? rt_flush_dev+0x13b/0x670 [ 82.895718][ T344] rt_flush_dev+0x371/0x670 [ 82.895931][ T344] ? __timer_delete_sync+0xd3/0x110 [ 82.896154][ T344] ? __timer_delete_sync+0xa7/0x110 [ 82.896507][ T344] fib_netdev_event+0x248/0x5a0 [ 82.896727][ T344] notifier_call_chain+0xcd/0x150 [ 82.896952][ T344] unregister_netdevice_many_notify+0x548/0x1190 [ 82.897223][ T344] ? mutex_is_locked+0x17/0x50 [ 82.897580][ T344] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 82.897846][ T344] ? hlock_class+0x4e/0x130 [ 82.898065][ T344] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 82.898485][ T344] rtnl_dellink+0x330/0xa30 [ 82.898783][ T344] ? hlock_class+0x4e/0x130 [ 82.898991][ T344] ? __pfx_rtnl_dellink+0x10/0x10 [ 82.899219][ T344] ? trace_contention_end+0xdc/0x140 [ 82.899437][ T344] ? __mutex_lock+0x170/0xac0 [ 82.899653][ T344] ? find_held_lock+0x2c/0x110 [ 82.899873][ T344] ? rtnetlink_rcv_msg+0x2af/0xbf0 [ 82.900083][ T344] ? __pfx___mutex_lock+0x10/0x10 [ 82.900299][ T344] ? __pfx___lock_release+0x10/0x10 [ 82.900656][ T344] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 82.900878][ T344] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 82.901087][ T344] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 82.901291][ T344] ? hlock_class+0x4e/0x130 [ 82.901496][ T344] ? mark_lock+0x38/0x3e0 [ 82.901655][ T344] ? __lock_acquire+0xaf0/0x1570 [ 82.901863][ T344] netlink_rcv_skb+0x130/0x360 [ 82.902072][ T344] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 82.902286][ T344] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 82.902624][ T344] ? lock_acquire.part.0+0xeb/0x330 [ 82.902838][ T344] ? netlink_deliver_tap+0xc8/0x340 [ 82.903043][ T344] ? lock_acquire+0x32/0xc0 [ 82.903251][ T344] ? netlink_deliver_tap+0xc8/0x340 [ 82.903601][ T344] ? netlink_deliver_tap+0xc8/0x340 [ 82.903807][ T344] ? netlink_deliver_tap+0x149/0x340 [ 82.904023][ T344] netlink_unicast+0x449/0x710 [ 82.904232][ T344] ? __pfx_netlink_unicast+0x10/0x10 [ 82.904567][ T344] ? find_held_lock+0x2c/0x110 [ 82.904777][ T344] netlink_sendmsg+0x723/0xbe0 [ 82.904984][ T344] ? __pfx_netlink_sendmsg+0x10/0x10 [ 82.905188][ T344] ? __might_fault+0xc3/0x170 [ 82.905407][ T344] ? __import_iovec+0x35d/0x5d0 [ 82.905603][ T344] ____sys_sendmsg+0x7b2/0xa10 [ 82.905817][ T344] ? __pfx_____sys_sendmsg+0x10/0x10 [ 82.906042][ T344] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 82.906445][ T344] ? __pfx_validate_chain+0x10/0x10 [ 82.906666][ T344] ___sys_sendmsg+0xee/0x170 [ 82.906886][ T344] ? __pfx____sys_sendmsg+0x10/0x10 [ 82.907106][ T344] ? find_held_lock+0x2c/0x110 [ 82.907314][ T344] ? __lock_release+0x103/0x460 [ 82.907668][ T344] ? __debug_check_no_obj_freed+0x253/0x520 [ 82.907921][ T344] ? __pfx___lock_release+0x10/0x10 [ 82.908137][ T344] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 82.908357][ T344] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 82.908646][ T344] ? __fget_light+0x53/0x1e0 [ 82.908873][ T344] __sys_sendmsg+0xcd/0x170 [ 82.909090][ T344] ? __pfx___sys_sendmsg+0x10/0x10 [ 82.909309][ T344] do_syscall_64+0xc6/0x1e0 [ 82.909671][ T344] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 82.909948][ T344] RIP: 0033:0x7f6d0c6cc7b7 [ 82.910187][ T344] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 82.910931][ T344] RSP: 002b:00007ffcf4115788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.911258][ T344] RAX: ffffffffffffffda RBX: 0000000023646320 RCX: 00007f6d0c6cc7b7 [ 82.911744][ T344] RDX: 0000000000000000 RSI: 00007ffcf41157c0 RDI: 0000000000000005 [ 82.912069][ T344] RBP: 0000000023646230 R08: 0000000000000003 R09: 0000000000000000 [ 82.912397][ T344] R10: 0000000000000040 R11: 0000000000000246 R12: 00000000236498c0 [ 82.912717][ T344] R13: 00007ffcf41157c0 R14: 0000000000000000 R15: 00007ffcf4115920 [ 82.913047][ T344] [ 82.997029][ T344] teamd (344) used greatest stack depth: 23360 bytes left [ 84.403579][ T516] lag2: Port device veth5 removed [ 84.405783][ T516] lag2: Port device veth3 removed