[ 250.574509][ T2494] br1: port 1(vx10) entered blocking state [ 250.574724][ T2494] br1: port 1(vx10) entered disabled state [ 250.574906][ T2494] vx10: entered allmulticast mode [ 250.576310][ T2494] vx10: entered promiscuous mode [ 250.576630][ T2494] br1: port 1(vx10) entered blocking state [ 250.576806][ T2494] br1: port 1(vx10) entered forwarding state [ 250.674398][ T2499] br1: port 2(vx20) entered blocking state [ 250.674613][ T2499] br1: port 2(vx20) entered disabled state [ 250.675239][ T2499] vx20: entered allmulticast mode [ 250.676652][ T2499] vx20: entered promiscuous mode [ 250.677019][ T2499] br1: port 2(vx20) entered blocking state [ 250.677188][ T2499] br1: port 2(vx20) entered forwarding state [ 250.729983][ T2503] br1: port 3(veth1) entered blocking state [ 250.730176][ T2503] br1: port 3(veth1) entered disabled state [ 250.730359][ T2503] veth1: entered allmulticast mode [ 250.731806][ T2503] veth1: entered promiscuous mode [ 250.763171][ T91] br1: port 3(veth1) entered blocking state [ 250.763361][ T91] br1: port 3(veth1) entered forwarding state [ 250.868380][ T2508] br1: port 4(veth2) entered blocking state [ 250.868582][ T2508] br1: port 4(veth2) entered disabled state [ 250.868776][ T2508] veth2: entered allmulticast mode [ 250.870194][ T2508] veth2: entered promiscuous mode [ 250.900571][ T36] br1: port 4(veth2) entered blocking state [ 250.900758][ T36] br1: port 4(veth2) entered forwarding state [ 252.030129][ T2558] br2: port 1(w1) entered blocking state [ 252.030356][ T2558] br2: port 1(w1) entered disabled state [ 252.030571][ T2558] w1: entered allmulticast mode [ 252.032230][ T2558] w1: entered promiscuous mode [ 252.223806][ T2566] br2: port 2(vx10) entered blocking state [ 252.224005][ T2566] br2: port 2(vx10) entered disabled state [ 252.224189][ T2566] vx10: entered allmulticast mode [ 252.225611][ T2566] vx10: entered promiscuous mode [ 252.226805][ T2566] br2: port 2(vx10) entered blocking state [ 252.226979][ T2566] br2: port 2(vx10) entered forwarding state [ 252.397594][ T2573] br2: port 3(vx20) entered blocking state [ 252.397800][ T2573] br2: port 3(vx20) entered disabled state [ 252.397978][ T2573] vx20: entered allmulticast mode [ 252.399385][ T2573] vx20: entered promiscuous mode [ 252.399716][ T2573] br2: port 3(vx20) entered blocking state [ 252.399893][ T2573] br2: port 3(vx20) entered forwarding state [ 252.610904][ T69] br2: port 1(w1) entered blocking state [ 252.611079][ T69] br2: port 1(w1) entered forwarding state [ 253.336168][ T2614] br2: port 1(w1) entered blocking state [ 253.336393][ T2614] br2: port 1(w1) entered disabled state [ 253.336602][ T2614] w1: entered allmulticast mode [ 253.338482][ T2614] w1: entered promiscuous mode [ 253.532804][ T2622] br2: port 2(vx10) entered blocking state [ 253.533002][ T2622] br2: port 2(vx10) entered disabled state [ 253.533178][ T2622] vx10: entered allmulticast mode [ 253.535304][ T2622] vx10: entered promiscuous mode [ 253.535665][ T2622] br2: port 2(vx10) entered blocking state [ 253.535849][ T2622] br2: port 2(vx10) entered forwarding state [ 253.709187][ T2629] br2: port 3(vx20) entered blocking state [ 253.709387][ T2629] br2: port 3(vx20) entered disabled state [ 253.709578][ T2629] vx20: entered allmulticast mode [ 253.711637][ T2629] vx20: entered promiscuous mode [ 253.711957][ T2629] br2: port 3(vx20) entered blocking state [ 253.712125][ T2629] br2: port 3(vx20) entered forwarding state [ 253.917660][ T36] br2: port 1(w1) entered blocking state [ 253.917898][ T36] br2: port 1(w1) entered forwarding state [ 348.766255][ T12] vx20: left allmulticast mode [ 348.766466][ T12] vx20: left promiscuous mode [ 348.766691][ T12] br2: port 3(vx20) entered disabled state [ 348.777577][ T12] vx10: left allmulticast mode [ 348.777831][ T12] vx10: left promiscuous mode [ 348.778098][ T12] br2: port 2(vx10) entered disabled state [ 348.779800][ T12] w1: left allmulticast mode [ 348.780006][ T12] w1: left promiscuous mode [ 348.780279][ T12] br2: port 1(w1) entered disabled state [ 348.888337][ T12] vx20: left allmulticast mode [ 348.888497][ T12] vx20: left promiscuous mode [ 348.888702][ T12] br2: port 3(vx20) entered disabled state [ 348.890176][ T12] vx10: left allmulticast mode [ 348.890315][ T12] vx10: left promiscuous mode [ 348.890514][ T12] br2: port 2(vx10) entered disabled state [ 348.892359][ T12] w1: left allmulticast mode [ 348.892488][ T12] w1: left promiscuous mode [ 348.892686][ T12] br2: port 1(w1) entered disabled state [ 348.966404][ T2910] [ 348.966472][ T2910] ======================================================== [ 348.966592][ T2910] WARNING: possible irq lock inversion dependency detected [ 348.966710][ T2910] 7.1.0-rc5-virtme #1 Not tainted [ 348.966792][ T2910] -------------------------------------------------------- [ 348.966918][ T2910] ip/2910 just changed the state of lock: [ 348.966997][ T2910] ffffffff9797e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.967148][ T2910] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 348.967271][ T2910] (&ndev->lock){++--}-{3:3} [ 348.967273][ T2910] [ 348.967273][ T2910] [ 348.967273][ T2910] and interrupts could create inverse lock ordering between them. [ 348.967273][ T2910] [ 348.967573][ T2910] [ 348.967573][ T2910] other info that might help us debug this: [ 348.967695][ T2910] Possible interrupt unsafe locking scenario: [ 348.967695][ T2910] [ 348.967824][ T2910] CPU0 CPU1 [ 348.967907][ T2910] ---- ---- [ 348.967986][ T2910] lock(acaddr_hash_lock); [ 348.968068][ T2910] local_irq_disable(); [ 348.968173][ T2910] lock(&ndev->lock); [ 348.968273][ T2910] lock(acaddr_hash_lock); [ 348.968374][ T2910] [ 348.968435][ T2910] lock(&ndev->lock); [ 348.968498][ T2910] [ 348.968498][ T2910] *** DEADLOCK *** [ 348.968498][ T2910] [ 348.968619][ T2910] 1 lock held by ip/2910: [ 348.968680][ T2910] #0: ffffffff9788c9c0 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_deladdr+0x18c/0x2e0 [ 348.968829][ T2910] [ 348.968829][ T2910] the shortest dependencies between 2nd lock and 1st lock: [ 348.968969][ T2910] -> (&ndev->lock){++--}-{3:3} { [ 348.969053][ T2910] HARDIRQ-ON-W at: [ 348.969116][ T2910] __lock_acquire+0x378/0xc10 [ 348.969221][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.969322][ T2910] _raw_write_lock_bh+0x38/0x50 [ 348.969426][ T2910] addrconf_permanent_addr+0x108/0x9c0 [ 348.969551][ T2910] addrconf_notify+0x151/0xf30 [ 348.969653][ T2910] notifier_call_chain+0xb0/0x320 [ 348.969754][ T2910] __dev_notify_flags+0xde/0x280 [ 348.969861][ T2910] netif_change_flags+0xfe/0x190 [ 348.969960][ T2910] do_setlink.isra.0+0x1cc3/0x2750 [ 348.970062][ T2910] rtnl_newlink+0x8d1/0xef0 [ 348.970163][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.970262][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.970365][ T2910] netlink_unicast+0x486/0x750 [ 348.970466][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.970568][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.970671][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.970771][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.970875][ T2910] do_syscall_64+0x117/0x590 [ 348.970978][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.971099][ T2910] HARDIRQ-ON-R at: [ 348.971162][ T2910] __lock_acquire+0x378/0xc10 [ 348.971262][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.971363][ T2910] _raw_read_lock_bh+0x44/0x80 [ 348.971463][ T2910] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 348.971582][ T2910] inet6_fill_link_af+0x5c/0xe0 [ 348.971681][ T2910] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 348.971804][ T2910] rtnl_getlink+0x9c9/0xeb0 [ 348.971903][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.972001][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.972099][ T2910] netlink_unicast+0x486/0x750 [ 348.972199][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.972299][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.972400][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.972501][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.972601][ T2910] do_syscall_64+0x117/0x590 [ 348.972700][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.972824][ T2910] IN-SOFTIRQ-W at: [ 348.972884][ T2910] __lock_acquire+0x378/0xc10 [ 348.972983][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.973084][ T2910] _raw_write_lock+0x33/0x40 [ 348.973185][ T2910] addrconf_rs_timer+0xb0/0x770 [ 348.973285][ T2910] call_timer_fn+0x163/0x4f0 [ 348.973387][ T2910] __run_timers+0x68f/0xab0 [ 348.973488][ T2910] run_timer_softirq+0xf0/0x160 [ 348.973587][ T2910] handle_softirqs+0x1d8/0x940 [ 348.973688][ T2910] __irq_exit_rcu+0x103/0x1c0 [ 348.973789][ T2910] irq_exit_rcu+0xe/0x30 [ 348.973895][ T2910] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 348.974015][ T2910] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 348.974135][ T2910] pv_native_safe_halt+0xf/0x10 [ 348.974235][ T2910] default_idle+0x9/0x10 [ 348.974334][ T2910] default_idle_call+0x6e/0xb0 [ 348.974435][ T2910] cpuidle_idle_call.constprop.0+0x237/0x410 [ 348.974555][ T2910] do_idle+0xf5/0x160 [ 348.974655][ T2910] cpu_startup_entry+0x53/0x70 [ 348.974754][ T2910] start_secondary+0x204/0x2b0 [ 348.974860][ T2910] common_startup_64+0x13e/0x148 [ 348.974963][ T2910] IN-SOFTIRQ-R at: [ 348.975024][ T2910] __lock_acquire+0x378/0xc10 [ 348.975123][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.975221][ T2910] _raw_read_lock_bh+0x44/0x80 [ 348.975322][ T2910] ipv6_get_lladdr+0xa8/0x3f0 [ 348.975421][ T2910] addrconf_rs_timer+0x251/0x770 [ 348.975522][ T2910] call_timer_fn+0x163/0x4f0 [ 348.975620][ T2910] __run_timers+0x68f/0xab0 [ 348.975722][ T2910] run_timer_softirq+0xf0/0x160 [ 348.975825][ T2910] handle_softirqs+0x1d8/0x940 [ 348.975923][ T2910] __irq_exit_rcu+0x103/0x1c0 [ 348.976025][ T2910] irq_exit_rcu+0xe/0x30 [ 348.976125][ T2910] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 348.976244][ T2910] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 348.976364][ T2910] pv_native_safe_halt+0xf/0x10 [ 348.976465][ T2910] default_idle+0x9/0x10 [ 348.976567][ T2910] default_idle_call+0x6e/0xb0 [ 348.976667][ T2910] cpuidle_idle_call.constprop.0+0x237/0x410 [ 348.976786][ T2910] do_idle+0xf5/0x160 [ 348.976891][ T2910] cpu_startup_entry+0x53/0x70 [ 348.976990][ T2910] start_secondary+0x204/0x2b0 [ 348.977088][ T2910] common_startup_64+0x13e/0x148 [ 348.977193][ T2910] INITIAL USE at: [ 348.977253][ T2910] __lock_acquire+0x378/0xc10 [ 348.977352][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.977450][ T2910] _raw_write_lock_bh+0x38/0x50 [ 348.977551][ T2910] addrconf_permanent_addr+0x108/0x9c0 [ 348.977671][ T2910] addrconf_notify+0x151/0xf30 [ 348.977772][ T2910] notifier_call_chain+0xb0/0x320 [ 348.977875][ T2910] __dev_notify_flags+0xde/0x280 [ 348.977975][ T2910] netif_change_flags+0xfe/0x190 [ 348.978075][ T2910] do_setlink.isra.0+0x1cc3/0x2750 [ 348.978177][ T2910] rtnl_newlink+0x8d1/0xef0 [ 348.978277][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.978378][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.978479][ T2910] netlink_unicast+0x486/0x750 [ 348.978579][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.978680][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.978782][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.978885][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.978984][ T2910] do_syscall_64+0x117/0x590 [ 348.979082][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.979201][ T2910] INITIAL READ USE at: [ 348.979283][ T2910] __lock_acquire+0x378/0xc10 [ 348.979382][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.979500][ T2910] _raw_read_lock_bh+0x44/0x80 [ 348.979599][ T2910] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 348.979717][ T2910] inet6_fill_link_af+0x5c/0xe0 [ 348.979821][ T2910] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 348.979942][ T2910] rtnl_getlink+0x9c9/0xeb0 [ 348.980041][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.980140][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.980239][ T2910] netlink_unicast+0x486/0x750 [ 348.980341][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.980441][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.980542][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.980643][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.980742][ T2910] do_syscall_64+0x117/0x590 [ 348.980849][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.980969][ T2910] } [ 348.981011][ T2910] ... key at: [] __key.37+0x0/0x40 [ 348.981136][ T2910] ... acquired at: [ 348.981197][ T2910] __lock_acquire+0x508/0xc10 [ 348.981278][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.981357][ T2910] _raw_spin_lock+0x33/0x40 [ 348.981439][ T2910] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 348.981539][ T2910] __ipv6_dev_ac_inc+0x57e/0x930 [ 348.981618][ T2910] addrconf_join_anycast+0x1bc/0x260 [ 348.981697][ T2910] __ipv6_ifa_notify+0x75b/0xad0 [ 348.981776][ T2910] addrconf_dad_completed+0x14b/0xe10 [ 348.981860][ T2910] addrconf_dad_work+0x3c1/0x930 [ 348.981940][ T2910] process_one_work+0xdf8/0x1410 [ 348.982021][ T2910] worker_thread+0x4f1/0xd60 [ 348.982102][ T2910] kthread+0x367/0x460 [ 348.982162][ T2910] ret_from_fork+0x474/0x6b0 [ 348.982243][ T2910] ret_from_fork_asm+0x11/0x20 [ 348.982326][ T2910] [ 348.982367][ T2910] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 348.982449][ T2910] HARDIRQ-ON-W at: [ 348.982511][ T2910] __lock_acquire+0x378/0xc10 [ 348.982612][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.982710][ T2910] _raw_spin_lock+0x33/0x40 [ 348.982815][ T2910] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 348.982935][ T2910] __ipv6_dev_ac_inc+0x57e/0x930 [ 348.983035][ T2910] addrconf_join_anycast+0x1bc/0x260 [ 348.983136][ T2910] __ipv6_ifa_notify+0x75b/0xad0 [ 348.983237][ T2910] addrconf_dad_completed+0x14b/0xe10 [ 348.983337][ T2910] addrconf_dad_work+0x3c1/0x930 [ 348.983437][ T2910] process_one_work+0xdf8/0x1410 [ 348.983537][ T2910] worker_thread+0x4f1/0xd60 [ 348.983639][ T2910] kthread+0x367/0x460 [ 348.983719][ T2910] ret_from_fork+0x474/0x6b0 [ 348.983826][ T2910] ret_from_fork_asm+0x11/0x20 [ 348.983925][ T2910] SOFTIRQ-ON-W at: [ 348.983985][ T2910] __lock_acquire+0x378/0xc10 [ 348.984086][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.984188][ T2910] _raw_spin_lock+0x33/0x40 [ 348.984288][ T2910] __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.984387][ T2910] addrconf_leave_anycast+0x1bc/0x260 [ 348.984488][ T2910] __ipv6_ifa_notify+0x6b4/0xad0 [ 348.984588][ T2910] ipv6_del_addr+0x419/0xa20 [ 348.984689][ T2910] inet6_addr_del.isra.0+0x21d/0x6c0 [ 348.984791][ T2910] inet6_rtm_deladdr+0x200/0x2e0 [ 348.984894][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.984994][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.985094][ T2910] netlink_unicast+0x486/0x750 [ 348.985194][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.985296][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.985397][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.985497][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.985597][ T2910] do_syscall_64+0x117/0x590 [ 348.985698][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.985824][ T2910] INITIAL USE at: [ 348.985885][ T2910] __lock_acquire+0x378/0xc10 [ 348.985984][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.986084][ T2910] _raw_spin_lock+0x33/0x40 [ 348.986183][ T2910] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 348.986303][ T2910] __ipv6_dev_ac_inc+0x57e/0x930 [ 348.986403][ T2910] addrconf_join_anycast+0x1bc/0x260 [ 348.986504][ T2910] __ipv6_ifa_notify+0x75b/0xad0 [ 348.986604][ T2910] addrconf_dad_completed+0x14b/0xe10 [ 348.986704][ T2910] addrconf_dad_work+0x3c1/0x930 [ 348.986810][ T2910] process_one_work+0xdf8/0x1410 [ 348.986911][ T2910] worker_thread+0x4f1/0xd60 [ 348.987013][ T2910] kthread+0x367/0x460 [ 348.987094][ T2910] ret_from_fork+0x474/0x6b0 [ 348.987194][ T2910] ret_from_fork_asm+0x11/0x20 [ 348.987295][ T2910] } [ 348.987335][ T2910] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 348.987454][ T2910] ... acquired at: [ 348.987514][ T2910] mark_lock+0x1d7/0xa00 [ 348.987593][ T2910] mark_usage+0x105/0x170 [ 348.987671][ T2910] __lock_acquire+0x378/0xc10 [ 348.987748][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.987832][ T2910] _raw_spin_lock+0x33/0x40 [ 348.987911][ T2910] __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.987989][ T2910] addrconf_leave_anycast+0x1bc/0x260 [ 348.988067][ T2910] __ipv6_ifa_notify+0x6b4/0xad0 [ 348.988148][ T2910] ipv6_del_addr+0x419/0xa20 [ 348.988226][ T2910] inet6_addr_del.isra.0+0x21d/0x6c0 [ 348.988305][ T2910] inet6_rtm_deladdr+0x200/0x2e0 [ 348.988384][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.988463][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.988542][ T2910] netlink_unicast+0x486/0x750 [ 348.988622][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.988703][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.988783][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.988865][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.988943][ T2910] do_syscall_64+0x117/0x590 [ 348.989021][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.989120][ T2910] [ 348.989160][ T2910] [ 348.989160][ T2910] stack backtrace: [ 348.989260][ T2910] CPU: 2 UID: 0 PID: 2910 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 348.989263][ T2910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 348.989265][ T2910] Call Trace: [ 348.989266][ T2910] [ 348.989267][ T2910] dump_stack_lvl+0x6f/0xa0 [ 348.989272][ T2910] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 348.989275][ T2910] mark_lock_irq+0x989/0x9c0 [ 348.989278][ T2910] mark_lock+0x1d7/0xa00 [ 348.989279][ T2910] mark_usage+0x105/0x170 [ 348.989281][ T2910] __lock_acquire+0x378/0xc10 [ 348.989283][ T2910] lock_acquire.part.0+0xbc/0x260 [ 348.989284][ T2910] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.989286][ T2910] ? rcu_is_watching+0x15/0xd0 [ 348.989289][ T2910] ? do_raw_read_unlock+0x70/0x70 [ 348.989290][ T2910] ? lock_acquire+0x134/0x160 [ 348.989292][ T2910] _raw_spin_lock+0x33/0x40 [ 348.989294][ T2910] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.989295][ T2910] __ipv6_dev_ac_dec+0x236/0x5d0 [ 348.989297][ T2910] addrconf_leave_anycast+0x1bc/0x260 [ 348.989299][ T2910] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 348.989300][ T2910] ? __ipv6_isatap_ifid+0x210/0x210 [ 348.989302][ T2910] ? nlmsg_notify+0x62/0x250 [ 348.989304][ T2910] __ipv6_ifa_notify+0x6b4/0xad0 [ 348.989306][ T2910] ? cleanup_prefix_route+0x550/0x550 [ 348.989308][ T2910] ? __cancel_work+0x1e0/0x250 [ 348.989310][ T2910] ? try_to_grab_pending+0x840/0x840 [ 348.989312][ T2910] ? __lock_release.isra.0+0x6b/0x1a0 [ 348.989313][ T2910] ? mark_held_locks+0x40/0x70 [ 348.989315][ T2910] ? ipv6_del_addr+0x419/0xa20 [ 348.989317][ T2910] ipv6_del_addr+0x419/0xa20 [ 348.989318][ T2910] ? find_held_lock+0x2b/0x80 [ 348.989321][ T2910] ? addrconf_dad_start+0x110/0x110 [ 348.989323][ T2910] ? __lock_release.isra.0+0x6b/0x1a0 [ 348.989324][ T2910] ? mark_held_locks+0x40/0x70 [ 348.989326][ T2910] inet6_addr_del.isra.0+0x21d/0x6c0 [ 348.989328][ T2910] inet6_rtm_deladdr+0x200/0x2e0 [ 348.989331][ T2910] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 348.989333][ T2910] ? rtnetlink_rcv_msg+0x6dc/0xbd0 [ 348.989335][ T2910] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 348.989337][ T2910] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 348.989338][ T2910] ? validate_chain+0x38b/0xc20 [ 348.989340][ T2910] ? rtnl_link_fill+0x920/0x920 [ 348.989341][ T2910] ? __lock_acquire+0x508/0xc10 [ 348.989343][ T2910] ? lock_acquire.part.0+0xbc/0x260 [ 348.989344][ T2910] ? find_held_lock+0x2b/0x80 [ 348.989346][ T2910] netlink_rcv_skb+0x14e/0x3a0 [ 348.989348][ T2910] ? rtnl_link_fill+0x920/0x920 [ 348.989349][ T2910] ? netlink_ack+0xcf0/0xcf0 [ 348.989352][ T2910] ? netlink_deliver_tap+0xc5/0x330 [ 348.989354][ T2910] ? netlink_deliver_tap+0x13c/0x330 [ 348.989356][ T2910] netlink_unicast+0x486/0x750 [ 348.989358][ T2910] ? netlink_attachskb+0x810/0x810 [ 348.989359][ T2910] ? __lock_acquire+0x508/0xc10 [ 348.989361][ T2910] netlink_sendmsg+0x735/0xc60 [ 348.989363][ T2910] ? netlink_unicast+0x750/0x750 [ 348.989365][ T2910] ? __might_fault+0x97/0x140 [ 348.989369][ T2910] ____sys_sendmsg+0x419/0x850 [ 348.989370][ T2910] ? copy_msghdr_from_user+0x2a0/0x460 [ 348.989372][ T2910] ? get_timestamp.constprop.0+0x390/0x390 [ 348.989374][ T2910] ? move_addr_to_kernel+0x40/0x40 [ 348.989376][ T2910] ? stack_depot_save_flags+0x367/0x770 [ 348.989379][ T2910] ? validate_chain+0x38b/0xc20 [ 348.989381][ T2910] ___sys_sendmsg+0x14e/0x1d0 [ 348.989383][ T2910] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 348.989385][ T2910] ? copy_msghdr_from_user+0x460/0x460 [ 348.989390][ T2910] __sys_sendmsg+0x145/0x1f0 [ 348.989391][ T2910] ? __sys_sendmsg_sock+0x20/0x20 [ 348.989393][ T2910] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 348.989395][ T2910] ? do_raw_spin_unlock+0x59/0x250 [ 348.989396][ T2910] ? rcu_is_watching+0x15/0xd0 [ 348.989398][ T2910] do_syscall_64+0x117/0x590 [ 348.989399][ T2910] ? trace_hardirqs_off+0xd/0x30 [ 348.989402][ T2910] ? exc_page_fault+0xee/0x100 [ 348.989404][ T2910] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 348.989406][ T2910] RIP: 0033:0x7f689a25008e [ 348.989409][ T2910] 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 [ 348.989411][ T2910] RSP: 002b:00007ffd6d5a20a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 348.989413][ T2910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f689a25008e [ 348.989415][ T2910] RDX: 0000000000000000 RSI: 00007ffd6d5a2150 RDI: 0000000000000005 [ 348.989416][ T2910] RBP: 00007ffd6d5a20b0 R08: 0000000000000000 R09: 0000000000000000 [ 348.989416][ T2910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1988c1 [ 348.989417][ T2910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6d5a28a0 [ 348.989420][ T2910] [ 349.347119][ T2931] br1: port 4(veth2) entered disabled state [ 349.359134][ T2932] veth2: left allmulticast mode [ 349.359279][ T2932] veth2: left promiscuous mode [ 349.359470][ T2932] br1: port 4(veth2) entered disabled state [ 349.418083][ T2936] br1: port 3(veth1) entered disabled state [ 349.430804][ T2937] veth1: left allmulticast mode [ 349.430945][ T2937] veth1: left promiscuous mode [ 349.431138][ T2937] br1: port 3(veth1) entered disabled state [ 349.467952][ T2939] vx20: left allmulticast mode [ 349.468092][ T2939] vx20: left promiscuous mode [ 349.468283][ T2939] br1: port 2(vx20) entered disabled state [ 349.538770][ T2943] vx10: left allmulticast mode [ 349.538916][ T2943] vx10: left promiscuous mode [ 349.539107][ T2943] br1: port 1(vx10) entered disabled state