[ 9.602161][ T186] ip (186) used greatest stack depth: 23464 bytes left [ 10.762080][ T239] 8021q: 802.1Q VLAN Support v1.8 [ 12.292374][ T292] br1: port 1(vx10) entered blocking state [ 12.292796][ T292] br1: port 1(vx10) entered disabled state [ 12.293625][ T292] vx10: entered allmulticast mode [ 12.295247][ T292] vx10: entered promiscuous mode [ 12.295680][ T292] br1: port 1(vx10) entered blocking state [ 12.295956][ T292] br1: port 1(vx10) entered forwarding state [ 12.422026][ T297] br1: port 2(vx20) entered blocking state [ 12.422238][ T297] br1: port 2(vx20) entered disabled state [ 12.422470][ T297] vx20: entered allmulticast mode [ 12.425149][ T297] vx20: entered promiscuous mode [ 12.425546][ T297] br1: port 2(vx20) entered blocking state [ 12.425740][ T297] br1: port 2(vx20) entered forwarding state [ 12.474828][ T299] br1: port 3(veth1) entered blocking state [ 12.475063][ T299] br1: port 3(veth1) entered disabled state [ 12.475260][ T299] veth1: entered allmulticast mode [ 12.477232][ T299] veth1: entered promiscuous mode [ 12.506358][ T108] br1: port 3(veth1) entered blocking state [ 12.506635][ T108] br1: port 3(veth1) entered forwarding state [ 12.622920][ T304] br1: port 4(veth2) entered blocking state [ 12.623134][ T304] br1: port 4(veth2) entered disabled state [ 12.623331][ T304] veth2: entered allmulticast mode [ 12.624795][ T304] veth2: entered promiscuous mode [ 12.648653][ T108] br1: port 4(veth2) entered blocking state [ 12.648978][ T108] br1: port 4(veth2) entered forwarding state [ 14.098863][ T353] br2: port 1(w1) entered blocking state [ 14.099046][ T353] br2: port 1(w1) entered disabled state [ 14.099198][ T353] w1: entered allmulticast mode [ 14.100737][ T353] w1: entered promiscuous mode [ 14.387905][ T361] br2: port 2(vx10) entered blocking state [ 14.388123][ T361] br2: port 2(vx10) entered disabled state [ 14.388308][ T361] vx10: entered allmulticast mode [ 14.390571][ T361] vx10: entered promiscuous mode [ 14.391220][ T361] br2: port 2(vx10) entered blocking state [ 14.391409][ T361] br2: port 2(vx10) entered forwarding state [ 14.573994][ T368] br2: port 3(vx20) entered blocking state [ 14.574205][ T368] br2: port 3(vx20) entered disabled state [ 14.574394][ T368] vx20: entered allmulticast mode [ 14.576442][ T368] vx20: entered promiscuous mode [ 14.576781][ T368] br2: port 3(vx20) entered blocking state [ 14.576957][ T368] br2: port 3(vx20) entered forwarding state [ 14.784491][ T36] br2: port 1(w1) entered blocking state [ 14.784798][ T36] br2: port 1(w1) entered forwarding state [ 15.528811][ T410] br2: port 1(w1) entered blocking state [ 15.529045][ T410] br2: port 1(w1) entered disabled state [ 15.529253][ T410] w1: entered allmulticast mode [ 15.530762][ T410] w1: entered promiscuous mode [ 15.789303][ T418] br2: port 2(vx10) entered blocking state [ 15.789621][ T418] br2: port 2(vx10) entered disabled state [ 15.789917][ T418] vx10: entered allmulticast mode [ 15.793147][ T418] vx10: entered promiscuous mode [ 15.793793][ T418] br2: port 2(vx10) entered blocking state [ 15.794079][ T418] br2: port 2(vx10) entered forwarding state [ 16.001685][ T425] br2: port 3(vx20) entered blocking state [ 16.001944][ T425] br2: port 3(vx20) entered disabled state [ 16.002193][ T425] vx20: entered allmulticast mode [ 16.003745][ T425] vx20: entered promiscuous mode [ 16.004520][ T425] br2: port 3(vx20) entered blocking state [ 16.004750][ T425] br2: port 3(vx20) entered forwarding state [ 16.262704][ T37] br2: port 1(w1) entered blocking state [ 16.262903][ T37] br2: port 1(w1) entered forwarding state [ 24.713088][ T521] GACT probability NOT on [ 111.534685][ T12] vx20: left allmulticast mode [ 111.535032][ T12] vx20: left promiscuous mode [ 111.535273][ T12] br2: port 3(vx20) entered disabled state [ 111.537794][ T12] vx10: left allmulticast mode [ 111.538079][ T12] vx10: left promiscuous mode [ 111.538291][ T12] br2: port 2(vx10) entered disabled state [ 111.539594][ T12] w1: left allmulticast mode [ 111.539778][ T12] w1: left promiscuous mode [ 111.540047][ T12] br2: port 1(w1) entered disabled state [ 111.648746][ T12] vx20: left allmulticast mode [ 111.649048][ T12] vx20: left promiscuous mode [ 111.649279][ T12] br2: port 3(vx20) entered disabled state [ 111.650625][ T12] vx10: left allmulticast mode [ 111.650762][ T12] vx10: left promiscuous mode [ 111.650997][ T12] br2: port 2(vx10) entered disabled state [ 111.654062][ T12] w1: left allmulticast mode [ 111.654213][ T12] w1: left promiscuous mode [ 111.654410][ T12] br2: port 1(w1) entered disabled state [ 111.738444][ T709] [ 111.738517][ T709] ======================================================== [ 111.738651][ T709] WARNING: possible irq lock inversion dependency detected [ 111.738772][ T709] 7.1.0-rc5-virtme #1 Not tainted [ 111.738857][ T709] -------------------------------------------------------- [ 111.738977][ T709] ip/709 just changed the state of lock: [ 111.739063][ T709] ffffffffb057e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.739218][ T709] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 111.739342][ T709] (&ndev->lock){++--}-{3:3} [ 111.739345][ T709] [ 111.739345][ T709] [ 111.739345][ T709] and interrupts could create inverse lock ordering between them. [ 111.739345][ T709] [ 111.739646][ T709] [ 111.739646][ T709] other info that might help us debug this: [ 111.739772][ T709] Possible interrupt unsafe locking scenario: [ 111.739772][ T709] [ 111.739892][ T709] CPU0 CPU1 [ 111.739977][ T709] ---- ---- [ 111.740061][ T709] lock(acaddr_hash_lock); [ 111.740155][ T709] local_irq_disable(); [ 111.740254][ T709] lock(&ndev->lock); [ 111.740361][ T709] lock(acaddr_hash_lock); [ 111.740470][ T709] [ 111.740531][ T709] lock(&ndev->lock); [ 111.740597][ T709] [ 111.740597][ T709] *** DEADLOCK *** [ 111.740597][ T709] [ 111.740720][ T709] 1 lock held by ip/709: [ 111.740783][ T709] #0: ffffffffb048c9c0 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_deladdr+0x18c/0x2e0 [ 111.740934][ T709] [ 111.740934][ T709] the shortest dependencies between 2nd lock and 1st lock: [ 111.741072][ T709] -> (&ndev->lock){++--}-{3:3} { [ 111.741161][ T709] HARDIRQ-ON-W at: [ 111.741227][ T709] __lock_acquire+0x378/0xc10 [ 111.741333][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.741439][ T709] _raw_write_lock_bh+0x38/0x50 [ 111.741545][ T709] addrconf_permanent_addr+0x108/0x9c0 [ 111.741678][ T709] addrconf_notify+0x151/0xf30 [ 111.741788][ T709] notifier_call_chain+0xb0/0x320 [ 111.741889][ T709] __dev_notify_flags+0xde/0x280 [ 111.741993][ T709] netif_change_flags+0xfe/0x190 [ 111.742100][ T709] do_setlink.isra.0+0x1cc3/0x2750 [ 111.742211][ T709] rtnl_newlink+0x8d1/0xef0 [ 111.742315][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.742420][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.742528][ T709] netlink_unicast+0x486/0x750 [ 111.742633][ T709] netlink_sendmsg+0x735/0xc60 [ 111.742733][ T709] ____sys_sendmsg+0x419/0x850 [ 111.742836][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.742942][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.743053][ T709] do_syscall_64+0x117/0x590 [ 111.743164][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.743290][ T709] HARDIRQ-ON-R at: [ 111.743350][ T709] __lock_acquire+0x378/0xc10 [ 111.743449][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.743557][ T709] _raw_read_lock_bh+0x44/0x80 [ 111.743670][ T709] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 111.743793][ T709] inet6_fill_link_af+0x5c/0xe0 [ 111.743894][ T709] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 111.744016][ T709] rtnl_getlink+0x9c9/0xeb0 [ 111.744121][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.744231][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.744337][ T709] netlink_unicast+0x486/0x750 [ 111.744441][ T709] netlink_sendmsg+0x735/0xc60 [ 111.744545][ T709] ____sys_sendmsg+0x419/0x850 [ 111.744651][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.744755][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.744856][ T709] do_syscall_64+0x117/0x590 [ 111.744961][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.745090][ T709] IN-SOFTIRQ-W at: [ 111.745161][ T709] __lock_acquire+0x378/0xc10 [ 111.745270][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.745372][ T709] _raw_write_lock+0x33/0x40 [ 111.745479][ T709] addrconf_rs_timer+0xb0/0x770 [ 111.745585][ T709] call_timer_fn+0x163/0x4f0 [ 111.745694][ T709] __run_timers+0x68f/0xab0 [ 111.745799][ T709] run_timer_softirq+0xf0/0x160 [ 111.745901][ T709] handle_softirqs+0x1d8/0x940 [ 111.746009][ T709] __irq_exit_rcu+0x103/0x1c0 [ 111.746116][ T709] irq_exit_rcu+0xe/0x30 [ 111.746224][ T709] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 111.746352][ T709] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 111.746476][ T709] pv_native_safe_halt+0xf/0x10 [ 111.746583][ T709] default_idle+0x9/0x10 [ 111.746693][ T709] default_idle_call+0x6e/0xb0 [ 111.746797][ T709] cpuidle_idle_call.constprop.0+0x237/0x410 [ 111.746920][ T709] do_idle+0xf5/0x160 [ 111.747026][ T709] cpu_startup_entry+0x53/0x70 [ 111.747138][ T709] start_secondary+0x204/0x2b0 [ 111.747245][ T709] common_startup_64+0x13e/0x148 [ 111.747355][ T709] IN-SOFTIRQ-R at: [ 111.747416][ T709] __lock_acquire+0x378/0xc10 [ 111.747518][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.747621][ T709] _raw_read_lock_bh+0x44/0x80 [ 111.747729][ T709] ipv6_get_lladdr+0xa8/0x3f0 [ 111.747834][ T709] ndisc_send_ns+0xf3/0x120 [ 111.747935][ T709] ndisc_solicit+0x314/0x480 [ 111.748037][ T709] neigh_probe+0xb3/0x100 [ 111.748146][ T709] neigh_timer_handler+0x191/0x1210 [ 111.748254][ T709] call_timer_fn+0x163/0x4f0 [ 111.748363][ T709] __run_timers+0x68f/0xab0 [ 111.748467][ T709] run_timer_softirq+0xf0/0x160 [ 111.748567][ T709] handle_softirqs+0x1d8/0x940 [ 111.748673][ T709] run_ksoftirqd+0x39/0x60 [ 111.748776][ T709] smpboot_thread_fn+0x2fb/0x9b0 [ 111.748880][ T709] kthread+0x367/0x460 [ 111.748988][ T709] ret_from_fork+0x474/0x6b0 [ 111.749098][ T709] ret_from_fork_asm+0x11/0x20 [ 111.749207][ T709] INITIAL USE at: [ 111.749272][ T709] __lock_acquire+0x378/0xc10 [ 111.749372][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.749474][ T709] _raw_write_lock_bh+0x38/0x50 [ 111.749581][ T709] addrconf_permanent_addr+0x108/0x9c0 [ 111.749706][ T709] addrconf_notify+0x151/0xf30 [ 111.749811][ T709] notifier_call_chain+0xb0/0x320 [ 111.749914][ T709] __dev_notify_flags+0xde/0x280 [ 111.750022][ T709] netif_change_flags+0xfe/0x190 [ 111.750126][ T709] do_setlink.isra.0+0x1cc3/0x2750 [ 111.750226][ T709] rtnl_newlink+0x8d1/0xef0 [ 111.750333][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.750436][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.750543][ T709] netlink_unicast+0x486/0x750 [ 111.750648][ T709] netlink_sendmsg+0x735/0xc60 [ 111.750748][ T709] ____sys_sendmsg+0x419/0x850 [ 111.750849][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.750951][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.751059][ T709] do_syscall_64+0x117/0x590 [ 111.751168][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.751296][ T709] INITIAL READ USE at: [ 111.751380][ T709] __lock_acquire+0x378/0xc10 [ 111.751487][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.751614][ T709] _raw_read_lock_bh+0x44/0x80 [ 111.751715][ T709] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 111.751841][ T709] inet6_fill_link_af+0x5c/0xe0 [ 111.751942][ T709] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 111.752071][ T709] rtnl_getlink+0x9c9/0xeb0 [ 111.752176][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.752282][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.752391][ T709] netlink_unicast+0x486/0x750 [ 111.752496][ T709] netlink_sendmsg+0x735/0xc60 [ 111.752600][ T709] ____sys_sendmsg+0x419/0x850 [ 111.752705][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.752809][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.752912][ T709] do_syscall_64+0x117/0x590 [ 111.753015][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.753139][ T709] } [ 111.753181][ T709] ... key at: [] __key.37+0x0/0x40 [ 111.753307][ T709] ... acquired at: [ 111.753372][ T709] __lock_acquire+0x508/0xc10 [ 111.753453][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.753533][ T709] _raw_spin_lock+0x33/0x40 [ 111.753619][ T709] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 111.753718][ T709] __ipv6_dev_ac_inc+0x57e/0x930 [ 111.753800][ T709] addrconf_join_anycast+0x1bc/0x260 [ 111.753881][ T709] __ipv6_ifa_notify+0x75b/0xad0 [ 111.753962][ T709] addrconf_dad_completed+0x14b/0xe10 [ 111.754046][ T709] addrconf_dad_work+0x3c1/0x930 [ 111.754130][ T709] process_one_work+0xdf8/0x1410 [ 111.754215][ T709] worker_thread+0x4f1/0xd60 [ 111.754296][ T709] kthread+0x367/0x460 [ 111.754360][ T709] ret_from_fork+0x474/0x6b0 [ 111.754445][ T709] ret_from_fork_asm+0x11/0x20 [ 111.754524][ T709] [ 111.754565][ T709] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 111.754651][ T709] HARDIRQ-ON-W at: [ 111.754712][ T709] __lock_acquire+0x378/0xc10 [ 111.754812][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.754916][ T709] _raw_spin_lock+0x33/0x40 [ 111.755021][ T709] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 111.755144][ T709] __ipv6_dev_ac_inc+0x57e/0x930 [ 111.755247][ T709] addrconf_join_anycast+0x1bc/0x260 [ 111.755354][ T709] __ipv6_ifa_notify+0x75b/0xad0 [ 111.755463][ T709] addrconf_dad_completed+0x14b/0xe10 [ 111.755569][ T709] addrconf_dad_work+0x3c1/0x930 [ 111.755679][ T709] process_one_work+0xdf8/0x1410 [ 111.755787][ T709] worker_thread+0x4f1/0xd60 [ 111.755890][ T709] kthread+0x367/0x460 [ 111.755975][ T709] ret_from_fork+0x474/0x6b0 [ 111.756079][ T709] ret_from_fork_asm+0x11/0x20 [ 111.756190][ T709] SOFTIRQ-ON-W at: [ 111.756255][ T709] __lock_acquire+0x378/0xc10 [ 111.756360][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.756469][ T709] _raw_spin_lock+0x33/0x40 [ 111.756576][ T709] __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.756682][ T709] addrconf_leave_anycast+0x1bc/0x260 [ 111.756792][ T709] __ipv6_ifa_notify+0x6b4/0xad0 [ 111.756894][ T709] ipv6_del_addr+0x419/0xa20 [ 111.756999][ T709] inet6_addr_del.isra.0+0x21d/0x6c0 [ 111.757107][ T709] inet6_rtm_deladdr+0x200/0x2e0 [ 111.757212][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.757318][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.757421][ T709] netlink_unicast+0x486/0x750 [ 111.757521][ T709] netlink_sendmsg+0x735/0xc60 [ 111.757622][ T709] ____sys_sendmsg+0x419/0x850 [ 111.757722][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.757829][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.757932][ T709] do_syscall_64+0x117/0x590 [ 111.758038][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.758164][ T709] INITIAL USE at: [ 111.758229][ T709] __lock_acquire+0x378/0xc10 [ 111.758340][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.758444][ T709] _raw_spin_lock+0x33/0x40 [ 111.758545][ T709] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 111.758669][ T709] __ipv6_dev_ac_inc+0x57e/0x930 [ 111.758773][ T709] addrconf_join_anycast+0x1bc/0x260 [ 111.758875][ T709] __ipv6_ifa_notify+0x75b/0xad0 [ 111.758974][ T709] addrconf_dad_completed+0x14b/0xe10 [ 111.759079][ T709] addrconf_dad_work+0x3c1/0x930 [ 111.759182][ T709] process_one_work+0xdf8/0x1410 [ 111.759288][ T709] worker_thread+0x4f1/0xd60 [ 111.759391][ T709] kthread+0x367/0x460 [ 111.759477][ T709] ret_from_fork+0x474/0x6b0 [ 111.759582][ T709] ret_from_fork_asm+0x11/0x20 [ 111.759694][ T709] } [ 111.759735][ T709] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 111.759861][ T709] ... acquired at: [ 111.759925][ T709] mark_lock+0x1d7/0xa00 [ 111.760004][ T709] mark_usage+0x105/0x170 [ 111.760084][ T709] __lock_acquire+0x378/0xc10 [ 111.760171][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.760255][ T709] _raw_spin_lock+0x33/0x40 [ 111.760340][ T709] __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.760424][ T709] addrconf_leave_anycast+0x1bc/0x260 [ 111.760504][ T709] __ipv6_ifa_notify+0x6b4/0xad0 [ 111.760586][ T709] ipv6_del_addr+0x419/0xa20 [ 111.760666][ T709] inet6_addr_del.isra.0+0x21d/0x6c0 [ 111.760746][ T709] inet6_rtm_deladdr+0x200/0x2e0 [ 111.760826][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.760906][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.760986][ T709] netlink_unicast+0x486/0x750 [ 111.761067][ T709] netlink_sendmsg+0x735/0xc60 [ 111.761152][ T709] ____sys_sendmsg+0x419/0x850 [ 111.761237][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.761319][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.761403][ T709] do_syscall_64+0x117/0x590 [ 111.761486][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.761592][ T709] [ 111.761632][ T709] [ 111.761632][ T709] stack backtrace: [ 111.761737][ T709] CPU: 0 UID: 0 PID: 709 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 111.761739][ T709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.761742][ T709] Call Trace: [ 111.761743][ T709] [ 111.761744][ T709] dump_stack_lvl+0x6f/0xa0 [ 111.761748][ T709] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 111.761751][ T709] mark_lock_irq+0x989/0x9c0 [ 111.761754][ T709] mark_lock+0x1d7/0xa00 [ 111.761755][ T709] mark_usage+0x105/0x170 [ 111.761757][ T709] __lock_acquire+0x378/0xc10 [ 111.761759][ T709] lock_acquire.part.0+0xbc/0x260 [ 111.761760][ T709] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.761762][ T709] ? rcu_is_watching+0x15/0xd0 [ 111.761765][ T709] ? do_raw_read_unlock+0x70/0x70 [ 111.761767][ T709] ? lock_acquire+0x134/0x160 [ 111.761768][ T709] _raw_spin_lock+0x33/0x40 [ 111.761770][ T709] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.761771][ T709] __ipv6_dev_ac_dec+0x236/0x5d0 [ 111.761773][ T709] addrconf_leave_anycast+0x1bc/0x260 [ 111.761775][ T709] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 111.761777][ T709] ? __ipv6_isatap_ifid+0x210/0x210 [ 111.761779][ T709] ? nlmsg_notify+0x62/0x250 [ 111.761781][ T709] __ipv6_ifa_notify+0x6b4/0xad0 [ 111.761783][ T709] ? cleanup_prefix_route+0x550/0x550 [ 111.761785][ T709] ? __cancel_work+0x1e0/0x250 [ 111.761787][ T709] ? try_to_grab_pending+0x840/0x840 [ 111.761788][ T709] ? __lock_release.isra.0+0x6b/0x1a0 [ 111.761790][ T709] ? mark_held_locks+0x40/0x70 [ 111.761791][ T709] ? ipv6_del_addr+0x419/0xa20 [ 111.761793][ T709] ipv6_del_addr+0x419/0xa20 [ 111.761795][ T709] ? find_held_lock+0x2b/0x80 [ 111.761798][ T709] ? addrconf_dad_start+0x110/0x110 [ 111.761799][ T709] ? __lock_release.isra.0+0x6b/0x1a0 [ 111.761801][ T709] ? mark_held_locks+0x40/0x70 [ 111.761802][ T709] inet6_addr_del.isra.0+0x21d/0x6c0 [ 111.761805][ T709] inet6_rtm_deladdr+0x200/0x2e0 [ 111.761807][ T709] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 111.761810][ T709] ? rtnetlink_rcv_msg+0x6dc/0xbd0 [ 111.761812][ T709] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 111.761814][ T709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 111.761815][ T709] ? validate_chain+0x38b/0xc20 [ 111.761817][ T709] ? rtnl_link_fill+0x920/0x920 [ 111.761818][ T709] ? __lock_acquire+0x508/0xc10 [ 111.761820][ T709] ? lock_acquire.part.0+0xbc/0x260 [ 111.761821][ T709] ? find_held_lock+0x2b/0x80 [ 111.761824][ T709] netlink_rcv_skb+0x14e/0x3a0 [ 111.761825][ T709] ? rtnl_link_fill+0x920/0x920 [ 111.761827][ T709] ? netlink_ack+0xcf0/0xcf0 [ 111.761829][ T709] ? netlink_deliver_tap+0xc5/0x330 [ 111.761831][ T709] ? netlink_deliver_tap+0x13c/0x330 [ 111.761833][ T709] netlink_unicast+0x486/0x750 [ 111.761835][ T709] ? netlink_attachskb+0x810/0x810 [ 111.761837][ T709] ? __lock_acquire+0x508/0xc10 [ 111.761839][ T709] netlink_sendmsg+0x735/0xc60 [ 111.761841][ T709] ? netlink_unicast+0x750/0x750 [ 111.761843][ T709] ? __might_fault+0x97/0x140 [ 111.761846][ T709] ____sys_sendmsg+0x419/0x850 [ 111.761848][ T709] ? copy_msghdr_from_user+0x2a0/0x460 [ 111.761850][ T709] ? get_timestamp.constprop.0+0x390/0x390 [ 111.761852][ T709] ? move_addr_to_kernel+0x40/0x40 [ 111.761854][ T709] ? stack_depot_save_flags+0x367/0x770 [ 111.761857][ T709] ? validate_chain+0x38b/0xc20 [ 111.761859][ T709] ___sys_sendmsg+0x14e/0x1d0 [ 111.761861][ T709] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 111.761863][ T709] ? copy_msghdr_from_user+0x460/0x460 [ 111.761868][ T709] __sys_sendmsg+0x145/0x1f0 [ 111.761869][ T709] ? __sys_sendmsg_sock+0x20/0x20 [ 111.761871][ T709] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 111.761873][ T709] ? do_raw_spin_unlock+0x59/0x250 [ 111.761874][ T709] ? rcu_is_watching+0x15/0xd0 [ 111.761876][ T709] do_syscall_64+0x117/0x590 [ 111.761878][ T709] ? trace_hardirqs_off+0xd/0x30 [ 111.761880][ T709] ? exc_page_fault+0xee/0x100 [ 111.761882][ T709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.761884][ T709] RIP: 0033:0x7f2ff32bd08e [ 111.761886][ T709] 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 [ 111.761888][ T709] RSP: 002b:00007ffe2264f630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 111.761891][ T709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ff32bd08e [ 111.761892][ T709] RDX: 0000000000000000 RSI: 00007ffe2264f6e0 RDI: 0000000000000005 [ 111.761893][ T709] RBP: 00007ffe2264f640 R08: 0000000000000000 R09: 0000000000000000 [ 111.761894][ T709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a19303a [ 111.761895][ T709] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2264fe30 [ 111.761897][ T709] [ 112.106432][ T730] br1: port 4(veth2) entered disabled state [ 112.126853][ T731] veth2: left allmulticast mode [ 112.126954][ T731] veth2: left promiscuous mode [ 112.127095][ T731] br1: port 4(veth2) entered disabled state [ 112.192795][ T735] br1: port 3(veth1) entered disabled state [ 112.212502][ T736] veth1: left allmulticast mode [ 112.212608][ T736] veth1: left promiscuous mode [ 112.212751][ T736] br1: port 3(veth1) entered disabled state [ 112.240303][ T738] vx20: left allmulticast mode [ 112.240409][ T738] vx20: left promiscuous mode [ 112.240553][ T738] br1: port 2(vx20) entered disabled state [ 112.315197][ T742] vx10: left allmulticast mode [ 112.315321][ T742] vx10: left promiscuous mode [ 112.315461][ T742] br1: port 1(vx10) entered disabled state