[ 32.242118][ T314] br1: port 1(vx10) entered blocking state [ 32.242809][ T314] br1: port 1(vx10) entered disabled state [ 32.243179][ T314] vx10: entered allmulticast mode [ 32.245990][ T314] vx10: entered promiscuous mode [ 32.246830][ T314] br1: port 1(vx10) entered blocking state [ 32.247199][ T314] br1: port 1(vx10) entered forwarding state [ 32.772730][ T319] br1: port 2(vx20) entered blocking state [ 32.773016][ T319] br1: port 2(vx20) entered disabled state [ 32.773301][ T319] vx20: entered allmulticast mode [ 32.775747][ T319] vx20: entered promiscuous mode [ 32.776330][ T319] br1: port 2(vx20) entered blocking state [ 32.776574][ T319] br1: port 2(vx20) entered forwarding state [ 33.026753][ T321] br1: port 3(veth1) entered blocking state [ 33.027186][ T321] br1: port 3(veth1) entered disabled state [ 33.027589][ T321] veth1: entered allmulticast mode [ 33.030818][ T321] veth1: entered promiscuous mode [ 33.158703][ T7] br1: port 3(veth1) entered blocking state [ 33.159096][ T7] br1: port 3(veth1) entered forwarding state [ 33.217633][ T10] [ 33.217743][ T10] ===================================================== [ 33.217921][ T10] WARNING: SOFTIRQ-READ-safe -> SOFTIRQ-READ-unsafe lock order detected [ 33.218127][ T10] 6.9.0-rc1-virtme #1 Not tainted [ 33.218269][ T10] ----------------------------------------------------- [ 33.218439][ T10] kworker/u16:0/10 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 33.218652][ T10] ffff888001a60968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 33.218917][ T10] [ 33.218917][ T10] and this task is already holding: [ 33.219119][ T10] ffff8880065cd580 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 33.219364][ T10] which would create a new lock dependency: [ 33.219526][ T10] (&ndev->lock){++.-}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 33.219742][ T10] [ 33.219742][ T10] but this new dependency connects a SOFTIRQ-READ-irq-safe lock: [ 33.219989][ T10] (&ndev->lock){++.-}-{2:2} [ 33.219993][ T10] [ 33.219993][ T10] ... which became SOFTIRQ-READ-irq-safe at: [ 33.220325][ T10] __lock_acquire+0x797/0x1570 [ 33.220472][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.220608][ T10] _raw_read_lock_bh+0x44/0x80 [ 33.220745][ T10] ipv6_get_lladdr+0xa9/0x3e0 [ 33.220889][ T10] ndisc_send_ns+0xe7/0x100 [ 33.221031][ T10] ndisc_solicit+0x2ae/0x4d0 [ 33.221171][ T10] neigh_probe+0xaa/0xf0 [ 33.221288][ T10] neigh_timer_handler+0x45b/0xdf0 [ 33.221426][ T10] call_timer_fn+0x13b/0x230 [ 33.221568][ T10] __run_timers+0x545/0x810 [ 33.221706][ T10] run_timer_softirq+0xe8/0x1b0 [ 33.221847][ T10] __do_softirq+0x1f8/0x5df [ 33.221984][ T10] irq_exit_rcu+0x97/0xc0 [ 33.222134][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 33.222271][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.222446][ T10] _raw_spin_unlock_irqrestore+0x43/0x70 [ 33.222588][ T10] get_partial_node.part.0+0x1c5/0x3a0 [ 33.222732][ T10] ___slab_alloc+0xb70/0x10a0 [ 33.222875][ T10] kmem_cache_alloc+0x243/0x270 [ 33.223013][ T10] vm_area_dup+0x20/0x150 [ 33.223154][ T10] __split_vma+0x131/0xd10 [ 33.223293][ T10] do_vmi_align_munmap.constprop.0+0x2c0/0x10a0 [ 33.223467][ T10] mmap_region+0x15c/0x2110 [ 33.223607][ T10] do_mmap+0x622/0xc70 [ 33.223708][ T10] vm_mmap_pgoff+0x113/0x2f0 [ 33.223849][ T10] ksys_mmap_pgoff+0x290/0x410 [ 33.223989][ T10] do_syscall_64+0xc6/0x1e0 [ 33.224124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.224297][ T10] [ 33.224297][ T10] to a SOFTIRQ-READ-irq-unsafe lock: [ 33.224512][ T10] (&p->alloc_lock){+.+.}-{2:2} [ 33.224516][ T10] [ 33.224516][ T10] ... which became SOFTIRQ-READ-irq-unsafe at: [ 33.224853][ T10] ... [ 33.224854][ T10] __lock_acquire+0x797/0x1570 [ 33.225065][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.225204][ T10] _raw_spin_lock+0x30/0x40 [ 33.225345][ T10] set_mems_allowed+0x1d/0x210 [ 33.225483][ T10] kernel_init_freeable+0x72/0x310 [ 33.225629][ T10] kernel_init+0x20/0x200 [ 33.225767][ T10] ret_from_fork+0x31/0x70 [ 33.225906][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.226040][ T10] [ 33.226040][ T10] other info that might help us debug this: [ 33.226040][ T10] [ 33.226310][ T10] Possible interrupt unsafe locking scenario: [ 33.226310][ T10] [ 33.226528][ T10] CPU0 CPU1 [ 33.226665][ T10] ---- ---- [ 33.226801][ T10] lock(&p->alloc_lock); [ 33.226914][ T10] local_irq_disable(); [ 33.227081][ T10] lock(&ndev->lock); [ 33.227250][ T10] lock(&p->alloc_lock); [ 33.227428][ T10] [ 33.227531][ T10] lock(&ndev->lock); [ 33.227645][ T10] [ 33.227645][ T10] *** DEADLOCK *** [ 33.227645][ T10] [ 33.227847][ T10] 4 locks held by kworker/u16:0/10: [ 33.227993][ T10] #0: ffff8880053e1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xda6/0x1730 [ 33.228289][ T10] #1: ffffc900000afda0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xde2/0x1730 [ 33.228601][ T10] #2: ffffffffb77969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xaf/0xab0 [ 33.228848][ T10] #3: ffff8880065cd580 (&ndev->lock){++.-}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 33.229099][ T10] [ 33.229099][ T10] the dependencies between SOFTIRQ-READ-irq-safe lock and the holding lock: [ 33.229378][ T10] -> (&ndev->lock){++.-}-{2:2} { [ 33.229523][ T10] HARDIRQ-ON-W at: [ 33.229634][ T10] __lock_acquire+0x797/0x1570 [ 33.229814][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.229994][ T10] _raw_write_lock_bh+0x38/0x50 [ 33.230167][ T10] addrconf_permanent_addr+0x6e/0x670 [ 33.230349][ T10] addrconf_notify+0x749/0xd60 [ 33.230527][ T10] notifier_call_chain+0xcd/0x150 [ 33.230704][ T10] __dev_notify_flags+0xe6/0x250 [ 33.230884][ T10] dev_change_flags+0xec/0x160 [ 33.231073][ T10] do_setlink+0x7d6/0x21e0 [ 33.231265][ T10] __rtnl_newlink+0xaa7/0xd80 [ 33.231448][ T10] rtnl_newlink+0x63/0xa0 [ 33.231631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.231805][ T10] netlink_rcv_skb+0x130/0x360 [ 33.231980][ T10] netlink_unicast+0x449/0x710 [ 33.232162][ T10] netlink_sendmsg+0x723/0xbe0 [ 33.232361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 33.232544][ T10] ___sys_sendmsg+0xee/0x170 [ 33.232717][ T10] __sys_sendmsg+0xcd/0x170 [ 33.232891][ T10] do_syscall_64+0xc6/0x1e0 [ 33.233065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.233271][ T10] HARDIRQ-ON-R at: [ 33.233377][ T10] __lock_acquire+0x797/0x1570 [ 33.233560][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.233730][ T10] _raw_read_lock_bh+0x44/0x80 [ 33.233903][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.234085][ T10] inet6_fill_link_af+0x5e/0xe0 [ 33.234288][ T10] rtnl_fill_ifinfo+0x1612/0x29e0 [ 33.234476][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.234758][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.235061][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 33.235260][ T10] register_netdevice+0x1177/0x1690 [ 33.235449][ T10] register_netdev+0x20/0x40 [ 33.235718][ T10] sit_init_net+0x250/0x4f0 [ 33.235908][ T10] ops_init+0x9b/0x560 [ 33.236064][ T10] register_pernet_operations+0x2db/0x710 [ 33.236371][ T10] register_pernet_device+0x2a/0x60 [ 33.236559][ T10] sit_init+0x23/0xe0 [ 33.236710][ T10] do_one_initcall+0x8d/0x1e0 [ 33.236898][ T10] do_initcalls+0x1b2/0x3e0 [ 33.237172][ T10] kernel_init_freeable+0x232/0x310 [ 33.237366][ T10] kernel_init+0x20/0x200 [ 33.237549][ T10] ret_from_fork+0x31/0x70 [ 33.237801][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.237973][ T10] IN-SOFTIRQ-R at: [ 33.238083][ T10] __lock_acquire+0x797/0x1570 [ 33.238254][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.238504][ T10] _raw_read_lock_bh+0x44/0x80 [ 33.238676][ T10] ipv6_get_lladdr+0xa9/0x3e0 [ 33.238846][ T10] ndisc_send_ns+0xe7/0x100 [ 33.239020][ T10] ndisc_solicit+0x2ae/0x4d0 [ 33.239270][ T10] neigh_probe+0xaa/0xf0 [ 33.239441][ T10] neigh_timer_handler+0x45b/0xdf0 [ 33.239616][ T10] call_timer_fn+0x13b/0x230 [ 33.239874][ T10] __run_timers+0x545/0x810 [ 33.240049][ T10] run_timer_softirq+0xe8/0x1b0 [ 33.240223][ T10] __do_softirq+0x1f8/0x5df [ 33.240474][ T10] irq_exit_rcu+0x97/0xc0 [ 33.240652][ T10] sysvec_apic_timer_interrupt+0x75/0x80 [ 33.240860][ T10] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.241142][ T10] _raw_spin_unlock_irqrestore+0x43/0x70 [ 33.241365][ T10] get_partial_node.part.0+0x1c5/0x3a0 [ 33.241547][ T10] ___slab_alloc+0xb70/0x10a0 [ 33.241717][ T10] kmem_cache_alloc+0x243/0x270 [ 33.241966][ T10] vm_area_dup+0x20/0x150 [ 33.242136][ T10] __split_vma+0x131/0xd10 [ 33.242397][ T10] do_vmi_align_munmap.constprop.0+0x2c0/0x10a0 [ 33.242694][ T10] mmap_region+0x15c/0x2110 [ 33.242873][ T10] do_mmap+0x622/0xc70 [ 33.243011][ T10] vm_mmap_pgoff+0x113/0x2f0 [ 33.243181][ T10] ksys_mmap_pgoff+0x290/0x410 [ 33.243444][ T10] do_syscall_64+0xc6/0x1e0 [ 33.243624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.243826][ T10] INITIAL USE at: [ 33.243933][ T10] __lock_acquire+0x797/0x1570 [ 33.244107][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.244283][ T10] _raw_write_lock_bh+0x38/0x50 [ 33.244538][ T10] addrconf_permanent_addr+0x6e/0x670 [ 33.244710][ T10] addrconf_notify+0x749/0xd60 [ 33.244884][ T10] notifier_call_chain+0xcd/0x150 [ 33.245058][ T10] __dev_notify_flags+0xe6/0x250 [ 33.245312][ T10] dev_change_flags+0xec/0x160 [ 33.245485][ T10] do_setlink+0x7d6/0x21e0 [ 33.245656][ T10] __rtnl_newlink+0xaa7/0xd80 [ 33.245828][ T10] rtnl_newlink+0x63/0xa0 [ 33.245999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 33.246172][ T10] netlink_rcv_skb+0x130/0x360 [ 33.246340][ T10] netlink_unicast+0x449/0x710 [ 33.246606][ T10] netlink_sendmsg+0x723/0xbe0 [ 33.246785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 33.246958][ T10] ___sys_sendmsg+0xee/0x170 [ 33.247215][ T10] __sys_sendmsg+0xcd/0x170 [ 33.247387][ T10] do_syscall_64+0xc6/0x1e0 [ 33.247562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 33.247850][ T10] INITIAL READ USE at: [ 33.247954][ T10] __lock_acquire+0x797/0x1570 [ 33.248124][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.248299][ T10] _raw_read_lock_bh+0x44/0x80 [ 33.248552][ T10] inet6_fill_ifla6_attrs+0x516/0x740 [ 33.248759][ T10] inet6_fill_link_af+0x5e/0xe0 [ 33.248932][ T10] rtnl_fill_ifinfo+0x1612/0x29e0 [ 33.249106][ T10] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 33.249488][ T10] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 33.249694][ T10] rtmsg_ifinfo+0x5b/0xa0 [ 33.249875][ T10] register_netdevice+0x1177/0x1690 [ 33.250081][ T10] register_netdev+0x20/0x40 [ 33.250254][ T10] sit_init_net+0x250/0x4f0 [ 33.250447][ T10] ops_init+0x9b/0x560 [ 33.250648][ T10] register_pernet_operations+0x2db/0x710 [ 33.250971][ T10] register_pernet_device+0x2a/0x60 [ 33.251293][ T10] sit_init+0x23/0xe0 [ 33.251492][ T10] do_one_initcall+0x8d/0x1e0 [ 33.251698][ T10] do_initcalls+0x1b2/0x3e0 [ 33.251889][ T10] kernel_init_freeable+0x232/0x310 [ 33.252125][ T10] kernel_init+0x20/0x200 [ 33.252418][ T10] ret_from_fork+0x31/0x70 [ 33.252628][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.252836][ T10] } [ 33.252916][ T10] ... key at: [] __key.37+0x0/0x40 [ 33.253161][ T10] [ 33.253161][ T10] the dependencies between the lock to be acquired [ 33.253163][ T10] and SOFTIRQ-READ-irq-unsafe lock: [ 33.253656][ T10] -> (&p->alloc_lock){+.+.}-{2:2} { [ 33.253821][ T10] HARDIRQ-ON-W at: [ 33.253938][ T10] __lock_acquire+0x797/0x1570 [ 33.254135][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.254315][ T10] _raw_spin_lock+0x30/0x40 [ 33.254494][ T10] set_mems_allowed+0x1d/0x210 [ 33.254689][ T10] kernel_init_freeable+0x72/0x310 [ 33.254961][ T10] kernel_init+0x20/0x200 [ 33.255138][ T10] ret_from_fork+0x31/0x70 [ 33.255305][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.255488][ T10] SOFTIRQ-ON-W at: [ 33.255592][ T10] __lock_acquire+0x797/0x1570 [ 33.255764][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.255941][ T10] _raw_spin_lock+0x30/0x40 [ 33.256201][ T10] set_mems_allowed+0x1d/0x210 [ 33.256374][ T10] kernel_init_freeable+0x72/0x310 [ 33.256545][ T10] kernel_init+0x20/0x200 [ 33.256715][ T10] ret_from_fork+0x31/0x70 [ 33.257009][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.257212][ T10] INITIAL USE at: [ 33.257329][ T10] __lock_acquire+0x797/0x1570 [ 33.257608][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.257799][ T10] _raw_spin_lock+0x30/0x40 [ 33.257991][ T10] set_mems_allowed+0x1d/0x210 [ 33.258183][ T10] kernel_init_freeable+0x72/0x310 [ 33.258460][ T10] kernel_init+0x20/0x200 [ 33.258657][ T10] ret_from_fork+0x31/0x70 [ 33.258851][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.259123][ T10] } [ 33.259203][ T10] ... key at: [] __key.387+0x0/0x40 [ 33.259432][ T10] ... acquired at: [ 33.259550][ T10] check_prev_add+0x194/0xce0 [ 33.259801][ T10] validate_chain+0x71d/0x9b0 [ 33.259952][ T10] __lock_acquire+0xaf0/0x1570 [ 33.260104][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.260268][ T10] _raw_spin_lock+0x30/0x40 [ 33.260486][ T10] __get_task_comm+0x27/0x70 [ 33.260867][ T10] ref_tracker_alloc+0x2ee/0x490 [ 33.261261][ T10] netdev_get_by_index+0x5e/0x80 [ 33.261420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 33.261575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 33.261733][ T10] addrconf_f6i_alloc+0x265/0x560 [ 33.261889][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 33.262042][ T10] addrconf_join_anycast+0x1c0/0x220 [ 33.262195][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 33.262438][ T10] addrconf_dad_completed+0x12b/0xe20 [ 33.262594][ T10] addrconf_dad_work+0x38c/0xab0 [ 33.262749][ T10] process_one_work+0xe2c/0x1730 [ 33.262905][ T10] worker_thread+0x587/0xd30 [ 33.263055][ T10] kthread+0x28a/0x350 [ 33.263244][ T10] ret_from_fork+0x31/0x70 [ 33.263497][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.263651][ T10] [ 33.263727][ T10] [ 33.263727][ T10] stack backtrace: [ 33.263917][ T10] CPU: 3 PID: 10 Comm: kworker/u16:0 Not tainted 6.9.0-rc1-virtme #1 [ 33.264150][ T10] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.264485][ T10] Workqueue: ipv6_addrconf addrconf_dad_work [ 33.264772][ T10] Call Trace: [ 33.264889][ T10] [ 33.264968][ T10] dump_stack_lvl+0x82/0xd0 [ 33.265124][ T10] print_bad_irq_dependency+0x957/0xd40 [ 33.265278][ T10] ? __pfx_validate_chain+0x10/0x10 [ 33.265511][ T10] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 33.265696][ T10] ? __pfx_usage_skip+0x10/0x10 [ 33.265847][ T10] ? __bfs+0x246/0x650 [ 33.265959][ T10] ? __pfx_usage_match+0x10/0x10 [ 33.266201][ T10] check_irq_usage+0x596/0x850 [ 33.266355][ T10] ? __pfx_check_irq_usage+0x10/0x10 [ 33.266509][ T10] ? __bfs+0x246/0x650 [ 33.266620][ T10] ? __pfx_hlock_conflict+0x10/0x10 [ 33.266850][ T10] ? check_path.constprop.0+0x24/0x50 [ 33.267003][ T10] ? check_noncircular+0x14c/0x3e0 [ 33.267158][ T10] ? __pfx_check_noncircular+0x10/0x10 [ 33.267392][ T10] ? check_prev_add+0x194/0xce0 [ 33.267543][ T10] check_prev_add+0x194/0xce0 [ 33.267695][ T10] ? validate_chain+0x130/0x9b0 [ 33.267849][ T10] validate_chain+0x71d/0x9b0 [ 33.268005][ T10] ? mark_lock+0x38/0x3e0 [ 33.268125][ T10] ? __pfx_validate_chain+0x10/0x10 [ 33.268366][ T10] ? hlock_class+0x4e/0x130 [ 33.268515][ T10] ? mark_lock+0x38/0x3e0 [ 33.268629][ T10] __lock_acquire+0xaf0/0x1570 [ 33.268780][ T10] lock_acquire.part.0+0xeb/0x330 [ 33.268932][ T10] ? __get_task_comm+0x27/0x70 [ 33.269086][ T10] ? mark_lock+0x38/0x3e0 [ 33.269200][ T10] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.269351][ T10] ? trace_lock_acquire+0x135/0x1c0 [ 33.269502][ T10] ? __get_task_comm+0x27/0x70 [ 33.269730][ T10] ? lock_acquire+0x32/0xc0 [ 33.269886][ T10] ? __get_task_comm+0x27/0x70 [ 33.270037][ T10] _raw_spin_lock+0x30/0x40 [ 33.270191][ T10] ? __get_task_comm+0x27/0x70 [ 33.270418][ T10] __get_task_comm+0x27/0x70 [ 33.270570][ T10] ref_tracker_alloc+0x2ee/0x490 [ 33.270721][ T10] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 33.270878][ T10] ? dev_get_by_index+0x177/0x270 [ 33.271042][ T10] ? netdev_get_by_index+0x5e/0x80 [ 33.271289][ T10] ? fib6_nh_init+0x3d8/0x15b0 [ 33.271446][ T10] ? ip6_route_info_create+0xf18/0x17d0 [ 33.271600][ T10] ? addrconf_f6i_alloc+0x265/0x560 [ 33.271755][ T10] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 33.271905][ T10] ? addrconf_join_anycast+0x1c0/0x220 [ 33.272053][ T10] ? __ipv6_ifa_notify+0x6b3/0xaf0 [ 33.272201][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 33.272347][ T10] ? addrconf_dad_work+0x38c/0xab0 [ 33.272645][ T10] ? process_one_work+0xe2c/0x1730 [ 33.272802][ T10] ? worker_thread+0x587/0xd30 [ 33.272953][ T10] ? kthread+0x28a/0x350 [ 33.273070][ T10] ? ret_from_fork+0x31/0x70 [ 33.273217][ T10] ? ret_from_fork_asm+0x1a/0x30 [ 33.273442][ T10] ? dev_get_by_index+0x177/0x270 [ 33.273592][ T10] netdev_get_by_index+0x5e/0x80 [ 33.273741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 33.273889][ T10] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 33.274160][ T10] ? __pfx_fib6_nh_init+0x10/0x10 [ 33.274309][ T10] ? kasan_save_track+0x14/0x30 [ 33.274459][ T10] ? __kasan_kmalloc+0x7f/0x90 [ 33.274612][ T10] ? __kmalloc+0x1d7/0x3c0 [ 33.274844][ T10] ? fib6_get_table+0x116/0x290 [ 33.274993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 33.275158][ T10] ? __lock_release+0x103/0x460 [ 33.275394][ T10] ? __pfx_ip6_route_info_create+0x10/0x10 [ 33.275581][ T10] ? addrconf_f6i_alloc+0x12d/0x560 [ 33.275733][ T10] addrconf_f6i_alloc+0x265/0x560 [ 33.275967][ T10] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 33.276155][ T10] ? do_raw_write_lock+0x122/0x3b0 [ 33.276313][ T10] ? __pfx_do_raw_write_lock+0x10/0x10 [ 33.276462][ T10] ? lock_acquire+0x32/0xc0 [ 33.276617][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 33.276767][ T10] ? mark_held_locks+0x9e/0xe0 [ 33.276994][ T10] addrconf_join_anycast+0x1c0/0x220 [ 33.277144][ T10] ? ip6_ins_rt+0xbd/0x110 [ 33.277294][ T10] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 33.277480][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 33.277705][ T10] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 33.277856][ T10] ? __pfx___cancel_work+0x10/0x10 [ 33.278011][ T10] ? find_held_lock+0x2c/0x110 [ 33.278235][ T10] ? addrconf_dad_completed+0x12b/0xe20 [ 33.278384][ T10] addrconf_dad_completed+0x12b/0xe20 [ 33.278531][ T10] ? hlock_class+0x4e/0x130 [ 33.278688][ T10] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 33.278882][ T10] ? mark_held_locks+0x9e/0xe0 [ 33.279034][ T10] ? addrconf_dad_work+0x38c/0xab0 [ 33.279182][ T10] addrconf_dad_work+0x38c/0xab0 [ 33.279330][ T10] ? __pfx_addrconf_dad_work+0x10/0x10 [ 33.279482][ T10] ? process_one_work+0xde2/0x1730 [ 33.279630][ T10] ? lock_acquire+0x32/0xc0 [ 33.279940][ T10] ? process_one_work+0xde2/0x1730 [ 33.280094][ T10] process_one_work+0xe2c/0x1730 [ 33.280246][ T10] ? __pfx___lock_release+0x10/0x10 [ 33.280399][ T10] ? __pfx_process_one_work+0x10/0x10 [ 33.280640][ T10] ? assign_work+0x16c/0x240 [ 33.280789][ T10] worker_thread+0x587/0xd30 [ 33.280942][ T10] ? __pfx_worker_thread+0x10/0x10 [ 33.281093][ T10] kthread+0x28a/0x350 [ 33.281217][ T10] ? __pfx_kthread+0x10/0x10 [ 33.281537][ T10] ret_from_fork+0x31/0x70 [ 33.281684][ T10] ? __pfx_kthread+0x10/0x10 [ 33.281821][ T10] ret_from_fork_asm+0x1a/0x30 [ 33.281960][ T10] [ 33.285177][ T323] br1: port 4(veth2) entered blocking state [ 33.285460][ T323] br1: port 4(veth2) entered disabled state [ 33.285762][ T323] veth2: entered allmulticast mode [ 33.288241][ T323] veth2: entered promiscuous mode [ 33.403551][ T7] br1: port 4(veth2) entered blocking state [ 33.403766][ T7] br1: port 4(veth2) entered forwarding state [ 33.680846][ T328] br1: port 5(vx4001) entered blocking state [ 33.681062][ T328] br1: port 5(vx4001) entered disabled state [ 33.681920][ T328] vx4001: entered allmulticast mode [ 33.683448][ T328] vx4001: entered promiscuous mode [ 33.683891][ T328] br1: port 5(vx4001) entered blocking state [ 33.684075][ T328] br1: port 5(vx4001) entered forwarding state [ 34.471057][ T337] 8021q: 802.1Q VLAN Support v1.8 [ 34.762588][ T340] br1: entered promiscuous mode [ 34.766780][ T340] br1: left promiscuous mode [ 34.772582][ T340] br1: entered promiscuous mode [ 41.471574][ T413] br1: port 1(vx10) entered blocking state [ 41.471833][ T413] br1: port 1(vx10) entered disabled state [ 41.472069][ T413] vx10: entered allmulticast mode [ 41.473607][ T413] vx10: entered promiscuous mode [ 41.474256][ T413] br1: port 1(vx10) entered blocking state [ 41.474457][ T413] br1: port 1(vx10) entered forwarding state [ 41.909189][ T417] br1: port 2(vx20) entered blocking state [ 41.909458][ T417] br1: port 2(vx20) entered disabled state [ 41.909701][ T417] vx20: entered allmulticast mode [ 41.912522][ T417] vx20: entered promiscuous mode [ 41.912951][ T417] br1: port 2(vx20) entered blocking state [ 41.913184][ T417] br1: port 2(vx20) entered forwarding state [ 42.354795][ T421] br1: port 3(vx4001) entered blocking state [ 42.355023][ T421] br1: port 3(vx4001) entered disabled state [ 42.355804][ T421] vx4001: entered allmulticast mode [ 42.357389][ T421] vx4001: entered promiscuous mode [ 42.357819][ T421] br1: port 3(vx4001) entered blocking state [ 42.358022][ T421] br1: port 3(vx4001) entered forwarding state [ 42.574900][ T423] br1: port 4(w1) entered blocking state [ 42.575089][ T423] br1: port 4(w1) entered disabled state [ 42.576399][ T423] w1: entered allmulticast mode [ 42.577972][ T423] w1: entered promiscuous mode [ 42.705505][ T51] br1: port 4(w1) entered blocking state [ 42.705781][ T51] br1: port 4(w1) entered forwarding state [ 42.904604][ T426] br1: port 5(w3) entered blocking state [ 42.904830][ T426] br1: port 5(w3) entered disabled state [ 42.905049][ T426] w3: entered allmulticast mode [ 42.906566][ T426] w3: entered promiscuous mode [ 43.013823][ T51] br1: port 5(w3) entered blocking state [ 43.014125][ T51] br1: port 5(w3) entered forwarding state [ 43.997516][ T436] br1: entered promiscuous mode [ 43.999000][ T436] br1: left promiscuous mode [ 44.023889][ T436] br1: entered promiscuous mode [ 44.865654][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 44.867858][ C0] IPv6: vlan10-v: IPv6 duplicate address 2001:db8:1::3 used by 00:00:5e:00:01:01 detected! [ 44.961649][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 45.377673][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 45.378654][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 45.379321][ C2] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 45.380257][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 45.380919][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 46.037559][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 46.038664][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 63.269882][ T10] w3: left allmulticast mode [ 63.270046][ T10] w3: left promiscuous mode [ 63.270372][ T10] br1: port 5(w3) entered disabled state [ 63.271964][ T10] w1: left allmulticast mode [ 63.272222][ T10] w1: left promiscuous mode [ 63.272699][ T10] br1: port 4(w1) entered disabled state [ 63.282054][ T10] vx4001: left allmulticast mode [ 63.282286][ T10] vx4001: left promiscuous mode [ 63.282663][ T10] br1: port 3(vx4001) entered disabled state [ 63.286576][ T10] vx20: left allmulticast mode [ 63.286808][ T10] vx20: left promiscuous mode [ 63.287255][ T10] br1: port 2(vx20) entered disabled state [ 63.288932][ T10] vx10: left allmulticast mode [ 63.289155][ T10] vx10: left promiscuous mode [ 63.289542][ T10] br1: port 1(vx10) entered disabled state [ 65.307984][ T596] br1: left promiscuous mode [ 65.975798][ T602] br1: port 4(veth2) entered disabled state [ 66.073636][ T603] veth2: left allmulticast mode [ 66.073895][ T603] veth2: left promiscuous mode [ 66.074168][ T603] br1: port 4(veth2) entered disabled state [ 66.269157][ T605] br1: port 3(veth1) entered disabled state [ 66.365419][ T606] veth1: left allmulticast mode [ 66.365606][ T606] veth1: left promiscuous mode [ 66.365863][ T606] br1: port 3(veth1) entered disabled state [ 66.556773][ T608] vx4001: left allmulticast mode [ 66.556976][ T608] vx4001: left promiscuous mode [ 66.557288][ T608] br1: port 5(vx4001) entered disabled state [ 66.984485][ T612] vx20: left allmulticast mode [ 66.984669][ T612] vx20: left promiscuous mode [ 66.984944][ T612] br1: port 2(vx20) entered disabled state [ 67.413416][ T616] vx10: left allmulticast mode [ 67.413598][ T616] vx10: left promiscuous mode [ 67.413845][ T616] br1: port 1(vx10) entered disabled state