[ 9.280620][ T186] ip (186) used greatest stack depth: 23896 bytes left [ 10.317398][ T227] 8021q: 802.1Q VLAN Support v1.8 [ 11.470604][ T274] br1: port 1(vx10) entered blocking state [ 11.470928][ T274] br1: port 1(vx10) entered disabled state [ 11.471201][ T274] vx10: entered allmulticast mode [ 11.472781][ T274] vx10: entered promiscuous mode [ 11.473767][ T274] br1: port 1(vx10) entered blocking state [ 11.474116][ T274] br1: port 1(vx10) entered forwarding state [ 11.610874][ T279] br1: port 2(vx20) entered blocking state [ 11.611284][ T279] br1: port 2(vx20) entered disabled state [ 11.611473][ T279] vx20: entered allmulticast mode [ 11.612926][ T279] vx20: entered promiscuous mode [ 11.613420][ T279] br1: port 2(vx20) entered blocking state [ 11.613586][ T279] br1: port 2(vx20) entered forwarding state [ 11.678790][ T281] br1: port 3(veth1) entered blocking state [ 11.678991][ T281] br1: port 3(veth1) entered disabled state [ 11.679189][ T281] veth1: entered allmulticast mode [ 11.680723][ T281] veth1: entered promiscuous mode [ 11.722855][ T46] br1: port 3(veth1) entered blocking state [ 11.723303][ T46] br1: port 3(veth1) entered forwarding state [ 11.798048][ T285] br1: port 4(veth2) entered blocking state [ 11.798249][ T285] br1: port 4(veth2) entered disabled state [ 11.798437][ T285] veth2: entered allmulticast mode [ 11.799901][ T285] veth2: entered promiscuous mode [ 11.834638][ T92] br1: port 4(veth2) entered blocking state [ 11.834832][ T92] br1: port 4(veth2) entered forwarding state [ 12.203806][ T295] ip (295) used greatest stack depth: 23712 bytes left [ 13.235713][ T337] br2: port 1(w1) entered blocking state [ 13.235914][ T337] br2: port 1(w1) entered disabled state [ 13.236076][ T337] w1: entered allmulticast mode [ 13.237503][ T337] w1: entered promiscuous mode [ 13.471056][ T345] br2: port 2(vx10) entered blocking state [ 13.471378][ T345] br2: port 2(vx10) entered disabled state [ 13.471627][ T345] vx10: entered allmulticast mode [ 13.473449][ T345] vx10: entered promiscuous mode [ 13.473905][ T345] br2: port 2(vx10) entered blocking state [ 13.474134][ T345] br2: port 2(vx10) entered forwarding state [ 13.711536][ T352] br2: port 3(vx20) entered blocking state [ 13.711771][ T352] br2: port 3(vx20) entered disabled state [ 13.712010][ T352] vx20: entered allmulticast mode [ 13.714315][ T352] vx20: entered promiscuous mode [ 13.714761][ T352] br2: port 3(vx20) entered blocking state [ 13.714998][ T352] br2: port 3(vx20) entered forwarding state [ 13.943828][ T92] br2: port 1(w1) entered blocking state [ 13.944134][ T92] br2: port 1(w1) entered forwarding state [ 14.646477][ T391] br2: port 1(w1) entered blocking state [ 14.646670][ T391] br2: port 1(w1) entered disabled state [ 14.646857][ T391] w1: entered allmulticast mode [ 14.648316][ T391] w1: entered promiscuous mode [ 14.858091][ T399] br2: port 2(vx10) entered blocking state [ 14.858332][ T399] br2: port 2(vx10) entered disabled state [ 14.858515][ T399] vx10: entered allmulticast mode [ 14.860725][ T399] vx10: entered promiscuous mode [ 14.861209][ T399] br2: port 2(vx10) entered blocking state [ 14.861380][ T399] br2: port 2(vx10) entered forwarding state [ 15.036722][ T406] br2: port 3(vx20) entered blocking state [ 15.036959][ T406] br2: port 3(vx20) entered disabled state [ 15.037149][ T406] vx20: entered allmulticast mode [ 15.038577][ T406] vx20: entered promiscuous mode [ 15.038893][ T406] br2: port 3(vx20) entered blocking state [ 15.039070][ T406] br2: port 3(vx20) entered forwarding state [ 15.251903][ T92] br2: port 1(w1) entered blocking state [ 15.252143][ T92] br2: port 1(w1) entered forwarding state [ 27.644256][ T12] vx20: left allmulticast mode [ 27.644490][ T12] vx20: left promiscuous mode [ 27.644743][ T12] br2: port 3(vx20) entered disabled state [ 27.647296][ T12] vx10: left allmulticast mode [ 27.647469][ T12] vx10: left promiscuous mode [ 27.647704][ T12] br2: port 2(vx10) entered disabled state [ 27.649959][ T12] w1: left allmulticast mode [ 27.650863][ T12] w1: left promiscuous mode [ 27.651170][ T12] br2: port 1(w1) entered disabled state [ 27.792210][ T12] vx20: left allmulticast mode [ 27.792390][ T12] vx20: left promiscuous mode [ 27.792610][ T12] br2: port 3(vx20) entered disabled state [ 27.794449][ T12] vx10: left allmulticast mode [ 27.795234][ T12] vx10: left promiscuous mode [ 27.795482][ T12] br2: port 2(vx10) entered disabled state [ 27.798358][ T12] w1: left allmulticast mode [ 27.798504][ T12] w1: left promiscuous mode [ 27.798712][ T12] br2: port 1(w1) entered disabled state [ 27.952134][ T537] [ 27.952235][ T537] ======================================================== [ 27.952371][ T537] WARNING: possible irq lock inversion dependency detected [ 27.952509][ T537] 7.1.0-rc5-virtme #1 Not tainted [ 27.952595][ T537] -------------------------------------------------------- [ 27.952737][ T537] ip/537 just changed the state of lock: [ 27.952844][ T537] ffffffff9cd7e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.953058][ T537] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 27.953206][ T537] (&ndev->lock){++--}-{3:3} [ 27.953208][ T537] [ 27.953208][ T537] [ 27.953208][ T537] and interrupts could create inverse lock ordering between them. [ 27.953208][ T537] [ 27.953539][ T537] [ 27.953539][ T537] other info that might help us debug this: [ 27.953713][ T537] Possible interrupt unsafe locking scenario: [ 27.953713][ T537] [ 27.953880][ T537] CPU0 CPU1 [ 27.953973][ T537] ---- ---- [ 27.954063][ T537] lock(acaddr_hash_lock); [ 27.954183][ T537] local_irq_disable(); [ 27.954321][ T537] lock(&ndev->lock); [ 27.954463][ T537] lock(acaddr_hash_lock); [ 27.954575][ T537] [ 27.954641][ T537] lock(&ndev->lock); [ 27.954708][ T537] [ 27.954708][ T537] *** DEADLOCK *** [ 27.954708][ T537] [ 27.954843][ T537] 1 lock held by ip/537: [ 27.954912][ T537] #0: ffffffff9cc8c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 27.955066][ T537] [ 27.955066][ T537] the shortest dependencies between 2nd lock and 1st lock: [ 27.955214][ T537] -> (&ndev->lock){++--}-{3:3} { [ 27.955330][ T537] HARDIRQ-ON-W at: [ 27.955423][ T537] __lock_acquire+0x378/0xc10 [ 27.955541][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.955652][ T537] _raw_write_lock_bh+0x38/0x50 [ 27.955763][ T537] addrconf_permanent_addr+0x108/0x9c0 [ 27.955928][ T537] addrconf_notify+0x151/0xf30 [ 27.956044][ T537] notifier_call_chain+0xb0/0x320 [ 27.956178][ T537] __dev_notify_flags+0xde/0x280 [ 27.956304][ T537] netif_change_flags+0xfe/0x190 [ 27.956441][ T537] do_setlink.isra.0+0x1cc3/0x2750 [ 27.956563][ T537] rtnl_newlink+0x8d1/0xef0 [ 27.956672][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.956781][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.956894][ T537] netlink_unicast+0x486/0x750 [ 27.957032][ T537] netlink_sendmsg+0x735/0xc60 [ 27.957169][ T537] ____sys_sendmsg+0x419/0x850 [ 27.957310][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.957422][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.957560][ T537] do_syscall_64+0x117/0x590 [ 27.957696][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.957859][ T537] HARDIRQ-ON-R at: [ 27.957926][ T537] __lock_acquire+0x378/0xc10 [ 27.958044][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.958180][ T537] _raw_read_lock_bh+0x44/0x80 [ 27.958323][ T537] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 27.958479][ T537] inet6_fill_link_af+0x5c/0xe0 [ 27.958589][ T537] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 27.958734][ T537] rtnl_getlink+0x9c9/0xeb0 [ 27.958877][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.959017][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.959136][ T537] netlink_unicast+0x486/0x750 [ 27.959245][ T537] netlink_sendmsg+0x735/0xc60 [ 27.959354][ T537] ____sys_sendmsg+0x419/0x850 [ 27.959466][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.959576][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.959685][ T537] do_syscall_64+0x117/0x590 [ 27.959802][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.959953][ T537] IN-SOFTIRQ-W at: [ 27.960055][ T537] __lock_acquire+0x378/0xc10 [ 27.960192][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.960337][ T537] _raw_write_lock+0x33/0x40 [ 27.960462][ T537] addrconf_rs_timer+0xb0/0x770 [ 27.960583][ T537] call_timer_fn+0x163/0x4f0 [ 27.960731][ T537] __run_timers+0x68f/0xab0 [ 27.960881][ T537] run_timer_softirq+0xf0/0x160 [ 27.961024][ T537] handle_softirqs+0x1d8/0x940 [ 27.961138][ T537] __irq_exit_rcu+0x103/0x1c0 [ 27.961257][ T537] irq_exit_rcu+0xe/0x30 [ 27.961366][ T537] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.961541][ T537] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.961714][ T537] pv_native_safe_halt+0xf/0x10 [ 27.961837][ T537] default_idle+0x9/0x10 [ 27.961983][ T537] default_idle_call+0x6e/0xb0 [ 27.962116][ T537] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.962298][ T537] do_idle+0xf5/0x160 [ 27.962420][ T537] cpu_startup_entry+0x53/0x70 [ 27.962538][ T537] start_secondary+0x204/0x2b0 [ 27.962685][ T537] common_startup_64+0x13e/0x148 [ 27.962835][ T537] IN-SOFTIRQ-R at: [ 27.962921][ T537] __lock_acquire+0x378/0xc10 [ 27.963040][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.963157][ T537] _raw_read_lock_bh+0x44/0x80 [ 27.963273][ T537] ipv6_get_lladdr+0xa8/0x3f0 [ 27.963418][ T537] addrconf_rs_timer+0x251/0x770 [ 27.963538][ T537] call_timer_fn+0x163/0x4f0 [ 27.963657][ T537] __run_timers+0x68f/0xab0 [ 27.963771][ T537] run_timer_softirq+0xf0/0x160 [ 27.963908][ T537] handle_softirqs+0x1d8/0x940 [ 27.964056][ T537] __irq_exit_rcu+0x103/0x1c0 [ 27.964172][ T537] irq_exit_rcu+0xe/0x30 [ 27.964286][ T537] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.964422][ T537] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.964557][ T537] pv_native_safe_halt+0xf/0x10 [ 27.964665][ T537] default_idle+0x9/0x10 [ 27.964775][ T537] default_idle_call+0x6e/0xb0 [ 27.964894][ T537] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.965078][ T537] do_idle+0xf5/0x160 [ 27.965219][ T537] cpu_startup_entry+0x53/0x70 [ 27.965353][ T537] start_secondary+0x204/0x2b0 [ 27.965469][ T537] common_startup_64+0x13e/0x148 [ 27.965588][ T537] INITIAL USE at: [ 27.965685][ T537] __lock_acquire+0x378/0xc10 [ 27.965839][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.965983][ T537] _raw_write_lock_bh+0x38/0x50 [ 27.966104][ T537] addrconf_permanent_addr+0x108/0x9c0 [ 27.966244][ T537] addrconf_notify+0x151/0xf30 [ 27.966357][ T537] notifier_call_chain+0xb0/0x320 [ 27.966477][ T537] __dev_notify_flags+0xde/0x280 [ 27.966594][ T537] netif_change_flags+0xfe/0x190 [ 27.966708][ T537] do_setlink.isra.0+0x1cc3/0x2750 [ 27.966830][ T537] rtnl_newlink+0x8d1/0xef0 [ 27.966943][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.967061][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.967175][ T537] netlink_unicast+0x486/0x750 [ 27.967282][ T537] netlink_sendmsg+0x735/0xc60 [ 27.967392][ T537] ____sys_sendmsg+0x419/0x850 [ 27.967506][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.967617][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.967727][ T537] do_syscall_64+0x117/0x590 [ 27.967843][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.967997][ T537] INITIAL READ USE at: [ 27.968092][ T537] __lock_acquire+0x378/0xc10 [ 27.968228][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.968395][ T537] _raw_read_lock_bh+0x44/0x80 [ 27.968509][ T537] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 27.968650][ T537] inet6_fill_link_af+0x5c/0xe0 [ 27.968763][ T537] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 27.968941][ T537] rtnl_getlink+0x9c9/0xeb0 [ 27.969085][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.969223][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.969338][ T537] netlink_unicast+0x486/0x750 [ 27.969478][ T537] netlink_sendmsg+0x735/0xc60 [ 27.969619][ T537] ____sys_sendmsg+0x419/0x850 [ 27.969762][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.969885][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.969996][ T537] do_syscall_64+0x117/0x590 [ 27.970112][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.970245][ T537] } [ 27.970290][ T537] ... key at: [] __key.37+0x0/0x40 [ 27.970429][ T537] ... acquired at: [ 27.970500][ T537] __lock_acquire+0x508/0xc10 [ 27.970591][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.970678][ T537] _raw_spin_lock+0x33/0x40 [ 27.970764][ T537] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 27.970915][ T537] __ipv6_dev_ac_inc+0x57e/0x930 [ 27.971022][ T537] addrconf_join_anycast+0x1bc/0x260 [ 27.971122][ T537] __ipv6_ifa_notify+0x75b/0xad0 [ 27.971232][ T537] addrconf_dad_completed+0x14b/0xe10 [ 27.971327][ T537] addrconf_dad_work+0x3c1/0x930 [ 27.971421][ T537] process_one_work+0xdf8/0x1410 [ 27.971517][ T537] worker_thread+0x4f1/0xd60 [ 27.971611][ T537] kthread+0x367/0x460 [ 27.971681][ T537] ret_from_fork+0x474/0x6b0 [ 27.971769][ T537] ret_from_fork_asm+0x11/0x20 [ 27.971868][ T537] [ 27.971913][ T537] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 27.972007][ T537] HARDIRQ-ON-W at: [ 27.972076][ T537] __lock_acquire+0x378/0xc10 [ 27.972189][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.972304][ T537] _raw_spin_lock+0x33/0x40 [ 27.972425][ T537] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 27.972562][ T537] __ipv6_dev_ac_inc+0x57e/0x930 [ 27.972674][ T537] addrconf_join_anycast+0x1bc/0x260 [ 27.972784][ T537] __ipv6_ifa_notify+0x75b/0xad0 [ 27.972904][ T537] addrconf_dad_completed+0x14b/0xe10 [ 27.973022][ T537] addrconf_dad_work+0x3c1/0x930 [ 27.973133][ T537] process_one_work+0xdf8/0x1410 [ 27.973246][ T537] worker_thread+0x4f1/0xd60 [ 27.973354][ T537] kthread+0x367/0x460 [ 27.973440][ T537] ret_from_fork+0x474/0x6b0 [ 27.973555][ T537] ret_from_fork_asm+0x11/0x20 [ 27.973664][ T537] SOFTIRQ-ON-W at: [ 27.973731][ T537] __lock_acquire+0x378/0xc10 [ 27.973850][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.973955][ T537] _raw_spin_lock+0x33/0x40 [ 27.974062][ T537] __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.974172][ T537] addrconf_leave_anycast+0x1bc/0x260 [ 27.974289][ T537] __ipv6_ifa_notify+0x6b4/0xad0 [ 27.974400][ T537] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 27.974513][ T537] addrconf_notify+0x2c8/0xf30 [ 27.974630][ T537] notifier_call_chain+0xb0/0x320 [ 27.974745][ T537] __dev_notify_flags+0x165/0x280 [ 27.974865][ T537] netif_change_flags+0xfe/0x190 [ 27.974978][ T537] do_setlink.isra.0+0x1cc3/0x2750 [ 27.975092][ T537] rtnl_newlink+0x8d1/0xef0 [ 27.975210][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.975326][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.975443][ T537] netlink_unicast+0x486/0x750 [ 27.975558][ T537] netlink_sendmsg+0x735/0xc60 [ 27.975672][ T537] ____sys_sendmsg+0x419/0x850 [ 27.975785][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.975904][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.976019][ T537] do_syscall_64+0x117/0x590 [ 27.976133][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.976268][ T537] INITIAL USE at: [ 27.976338][ T537] __lock_acquire+0x378/0xc10 [ 27.976452][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.976561][ T537] _raw_spin_lock+0x33/0x40 [ 27.976676][ T537] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 27.976809][ T537] __ipv6_dev_ac_inc+0x57e/0x930 [ 27.976942][ T537] addrconf_join_anycast+0x1bc/0x260 [ 27.977067][ T537] __ipv6_ifa_notify+0x75b/0xad0 [ 27.977203][ T537] addrconf_dad_completed+0x14b/0xe10 [ 27.977346][ T537] addrconf_dad_work+0x3c1/0x930 [ 27.977458][ T537] process_one_work+0xdf8/0x1410 [ 27.977566][ T537] worker_thread+0x4f1/0xd60 [ 27.977679][ T537] kthread+0x367/0x460 [ 27.977785][ T537] ret_from_fork+0x474/0x6b0 [ 27.977930][ T537] ret_from_fork_asm+0x11/0x20 [ 27.978076][ T537] } [ 27.978148][ T537] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 27.978318][ T537] ... acquired at: [ 27.978385][ T537] mark_lock+0x1d7/0xa00 [ 27.978502][ T537] mark_usage+0x105/0x170 [ 27.978595][ T537] __lock_acquire+0x378/0xc10 [ 27.978680][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.978765][ T537] _raw_spin_lock+0x33/0x40 [ 27.978857][ T537] __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.978944][ T537] addrconf_leave_anycast+0x1bc/0x260 [ 27.979055][ T537] __ipv6_ifa_notify+0x6b4/0xad0 [ 27.979145][ T537] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 27.979258][ T537] addrconf_notify+0x2c8/0xf30 [ 27.979362][ T537] notifier_call_chain+0xb0/0x320 [ 27.979463][ T537] __dev_notify_flags+0x165/0x280 [ 27.979557][ T537] netif_change_flags+0xfe/0x190 [ 27.979644][ T537] do_setlink.isra.0+0x1cc3/0x2750 [ 27.979729][ T537] rtnl_newlink+0x8d1/0xef0 [ 27.979814][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.979906][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.979992][ T537] netlink_unicast+0x486/0x750 [ 27.980079][ T537] netlink_sendmsg+0x735/0xc60 [ 27.980163][ T537] ____sys_sendmsg+0x419/0x850 [ 27.980253][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.980337][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.980422][ T537] do_syscall_64+0x117/0x590 [ 27.980511][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.980621][ T537] [ 27.980665][ T537] [ 27.980665][ T537] stack backtrace: [ 27.980776][ T537] CPU: 0 UID: 0 PID: 537 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 27.980779][ T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.980781][ T537] Call Trace: [ 27.980783][ T537] [ 27.980784][ T537] dump_stack_lvl+0x6f/0xa0 [ 27.980788][ T537] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.980792][ T537] mark_lock_irq+0x989/0x9c0 [ 27.980794][ T537] mark_lock+0x1d7/0xa00 [ 27.980796][ T537] mark_usage+0x105/0x170 [ 27.980797][ T537] __lock_acquire+0x378/0xc10 [ 27.980800][ T537] lock_acquire.part.0+0xbc/0x260 [ 27.980801][ T537] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.980803][ T537] ? rcu_is_watching+0x15/0xd0 [ 27.980806][ T537] ? do_raw_read_unlock+0x70/0x70 [ 27.980808][ T537] ? lock_acquire+0x134/0x160 [ 27.980810][ T537] _raw_spin_lock+0x33/0x40 [ 27.980811][ T537] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.980813][ T537] __ipv6_dev_ac_dec+0x236/0x5d0 [ 27.980815][ T537] addrconf_leave_anycast+0x1bc/0x260 [ 27.980816][ T537] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 27.980818][ T537] ? __ipv6_isatap_ifid+0x210/0x210 [ 27.980820][ T537] ? nlmsg_notify+0x62/0x250 [ 27.980822][ T537] __ipv6_ifa_notify+0x6b4/0xad0 [ 27.980824][ T537] ? cleanup_prefix_route+0x550/0x550 [ 27.980830][ T537] ? find_held_lock+0x2b/0x80 [ 27.980833][ T537] ? __lock_release.isra.0+0x6b/0x1a0 [ 27.980834][ T537] ? __rwlock_init+0x150/0x150 [ 27.980836][ T537] ? mark_held_locks+0x40/0x70 [ 27.980838][ T537] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 27.980839][ T537] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 27.980842][ T537] ? addrconf_dad_run+0x1b0/0x1b0 [ 27.980844][ T537] ? neigh_flush_one+0x580/0x580 [ 27.980847][ T537] ? mark_held_locks+0x40/0x70 [ 27.980849][ T537] addrconf_notify+0x2c8/0xf30 [ 27.980851][ T537] ? team_port_get_rtnl+0x65/0xc0 [ 27.980854][ T537] notifier_call_chain+0xb0/0x320 [ 27.980856][ T537] __dev_notify_flags+0x165/0x280 [ 27.980857][ T537] ? netif_change_name+0x8c0/0x8c0 [ 27.980859][ T537] ? netif_set_allmulti+0x250/0x250 [ 27.980861][ T537] ? is_bpf_text_address+0x68/0x110 [ 27.980864][ T537] netif_change_flags+0xfe/0x190 [ 27.980866][ T537] do_setlink.isra.0+0x1cc3/0x2750 [ 27.980868][ T537] ? rtnl_link_get_size+0x350/0x350 [ 27.980870][ T537] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 27.980872][ T537] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.980874][ T537] ? validate_chain+0x38b/0xc20 [ 27.980875][ T537] ? rcu_read_lock_any_held+0x66/0x90 [ 27.980876][ T537] ? stack_depot_save_flags+0x367/0x770 [ 27.980880][ T537] ? __kernel_text_address+0x12/0x30 [ 27.980881][ T537] ? __lock_acquire+0x508/0xc10 [ 27.980883][ T537] ? lock_acquire.part.0+0xbc/0x260 [ 27.980885][ T537] ? rtnl_newlink+0x883/0xef0 [ 27.980886][ T537] ? rcu_is_watching+0x15/0xd0 [ 27.980888][ T537] ? lock_acquire+0x134/0x160 [ 27.980889][ T537] ? rcu_is_watching+0x15/0xd0 [ 27.980891][ T537] ? rcu_is_watching+0x15/0xd0 [ 27.980892][ T537] ? trace_contention_end+0xb3/0x1a0 [ 27.980895][ T537] ? __mutex_lock+0x1db/0x2010 [ 27.980896][ T537] ? __mutex_lock+0x9b2/0x2010 [ 27.980898][ T537] ? rtnl_newlink+0x883/0xef0 [ 27.980899][ T537] ? ww_mutex_lock+0x160/0x160 [ 27.980902][ T537] ? __rtnl_newlink+0x3fa/0xa50 [ 27.980904][ T537] rtnl_newlink+0x8d1/0xef0 [ 27.980906][ T537] ? lock_acquire.part.0+0xbc/0x260 [ 27.980907][ T537] ? find_held_lock+0x2b/0x80 [ 27.980909][ T537] ? __rtnl_newlink+0xa50/0xa50 [ 27.980910][ T537] ? mark_usage+0x61/0x170 [ 27.980911][ T537] ? __lock_release.isra.0+0x6b/0x1a0 [ 27.980913][ T537] ? lock_acquire.part.0+0xbc/0x260 [ 27.980915][ T537] ? find_held_lock+0x2b/0x80 [ 27.980916][ T537] ? __rtnl_newlink+0xa50/0xa50 [ 27.980918][ T537] ? __lock_release.isra.0+0x6b/0x1a0 [ 27.980919][ T537] ? __rtnl_newlink+0xa50/0xa50 [ 27.980921][ T537] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.980923][ T537] ? validate_chain+0x38b/0xc20 [ 27.980924][ T537] ? rtnl_link_fill+0x920/0x920 [ 27.980925][ T537] ? __lock_acquire+0x508/0xc10 [ 27.980927][ T537] ? lock_acquire.part.0+0xbc/0x260 [ 27.980929][ T537] ? find_held_lock+0x2b/0x80 [ 27.980931][ T537] netlink_rcv_skb+0x14e/0x3a0 [ 27.980932][ T537] ? rtnl_link_fill+0x920/0x920 [ 27.980934][ T537] ? netlink_ack+0xcf0/0xcf0 [ 27.980937][ T537] ? netlink_deliver_tap+0xc5/0x330 [ 27.980939][ T537] ? netlink_deliver_tap+0x13c/0x330 [ 27.980941][ T537] netlink_unicast+0x486/0x750 [ 27.980943][ T537] ? netlink_attachskb+0x810/0x810 [ 27.980945][ T537] ? __lock_acquire+0x508/0xc10 [ 27.980946][ T537] netlink_sendmsg+0x735/0xc60 [ 27.980948][ T537] ? netlink_unicast+0x750/0x750 [ 27.980951][ T537] ? __might_fault+0x97/0x140 [ 27.980954][ T537] ____sys_sendmsg+0x419/0x850 [ 27.980956][ T537] ? copy_msghdr_from_user+0x2a0/0x460 [ 27.980957][ T537] ? get_timestamp.constprop.0+0x390/0x390 [ 27.980959][ T537] ? move_addr_to_kernel+0x40/0x40 [ 27.980961][ T537] ? stack_depot_save_flags+0x367/0x770 [ 27.980963][ T537] ? validate_chain+0x38b/0xc20 [ 27.980964][ T537] ___sys_sendmsg+0x14e/0x1d0 [ 27.980966][ T537] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 27.980968][ T537] ? copy_msghdr_from_user+0x460/0x460 [ 27.980974][ T537] __sys_sendmsg+0x145/0x1f0 [ 27.980975][ T537] ? __sys_sendmsg_sock+0x20/0x20 [ 27.980976][ T537] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 27.980978][ T537] ? do_raw_spin_unlock+0x59/0x250 [ 27.980980][ T537] ? rcu_is_watching+0x15/0xd0 [ 27.980982][ T537] do_syscall_64+0x117/0x590 [ 27.980983][ T537] ? trace_hardirqs_off+0xd/0x30 [ 27.980986][ T537] ? exc_page_fault+0xee/0x100 [ 27.980988][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.980990][ T537] RIP: 0033:0x7f9b35d9908e [ 27.980993][ T537] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 27.980994][ T537] RSP: 002b:00007ffc5cdb0c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.980998][ T537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b35d9908e [ 27.980999][ T537] RDX: 0000000000000000 RSI: 00007ffc5cdb0d10 RDI: 0000000000000005 [ 27.981000][ T537] RBP: 00007ffc5cdb0c70 R08: 0000000000000000 R09: 0000000000000000 [ 27.981001][ T537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195bb5 [ 27.981002][ T537] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5cdb13d0 [ 27.981004][ T537] [ 27.995225][ T537] ip (537) used greatest stack depth: 23528 bytes left [ 28.338508][ T557] br1: port 4(veth2) entered disabled state [ 28.355184][ T558] veth2: left allmulticast mode [ 28.355304][ T558] veth2: left promiscuous mode [ 28.355446][ T558] br1: port 4(veth2) entered disabled state [ 28.404044][ T561] br1: port 3(veth1) entered disabled state [ 28.417127][ T562] veth1: left allmulticast mode [ 28.417263][ T562] veth1: left promiscuous mode [ 28.417426][ T562] br1: port 3(veth1) entered disabled state [ 28.447794][ T564] vx20: left allmulticast mode [ 28.447910][ T564] vx20: left promiscuous mode [ 28.448398][ T564] br1: port 2(vx20) entered disabled state [ 28.527865][ T568] vx10: left allmulticast mode [ 28.528008][ T568] vx10: left promiscuous mode [ 28.528179][ T568] br1: port 1(vx10) entered disabled state