[ 27.880062][ T290] br1: port 1(veth1) entered blocking state [ 27.880400][ T290] br1: port 1(veth1) entered disabled state [ 27.880686][ T290] veth1: entered allmulticast mode [ 27.882629][ T290] veth1: entered promiscuous mode [ 28.021515][ T24] br1: port 1(veth1) entered blocking state [ 28.021855][ T24] br1: port 1(veth1) entered forwarding state [ 28.137879][ T293] br1: port 2(veth2) entered blocking state [ 28.138167][ T293] br1: port 2(veth2) entered disabled state [ 28.138416][ T293] veth2: entered allmulticast mode [ 28.140260][ T293] veth2: entered promiscuous mode [ 28.256549][ T63] br1: port 2(veth2) entered blocking state [ 28.256834][ T63] br1: port 2(veth2) entered forwarding state [ 37.425901][ T320] tc (320) used greatest stack depth: 24536 bytes left [ 37.626545][ T326] GACT probability NOT on [ 38.529036][ T335] tc (335) used greatest stack depth: 24120 bytes left [ 43.301912][ C1] [ 43.302133][ C1] ======================================================== [ 43.302500][ C1] WARNING: possible irq lock inversion dependency detected [ 43.302866][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 43.303120][ C1] -------------------------------------------------------- [ 43.303475][ C1] mausezahn/387 just changed the state of lock: [ 43.303794][ C1] ffff888005982c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.304404][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 43.304763][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 43.304771][ C1] [ 43.304771][ C1] [ 43.304771][ C1] and interrupts could create inverse lock ordering between them. [ 43.304771][ C1] [ 43.305655][ C1] [ 43.305655][ C1] other info that might help us debug this: [ 43.306012][ C1] Chain exists of: [ 43.306012][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 43.306012][ C1] [ 43.306558][ C1] Possible interrupt unsafe locking scenario: [ 43.306558][ C1] [ 43.306914][ C1] CPU0 CPU1 [ 43.307154][ C1] ---- ---- [ 43.307405][ C1] lock(&p->alloc_lock); [ 43.307595][ C1] local_irq_disable(); [ 43.307899][ C1] lock(&br->lock); [ 43.308206][ C1] lock(lweventlist_lock); [ 43.308501][ C1] [ 43.308689][ C1] lock(&br->lock); [ 43.308878][ C1] [ 43.308878][ C1] *** DEADLOCK *** [ 43.308878][ C1] [ 43.309235][ C1] 2 locks held by mausezahn/387: [ 43.309487][ C1] #0: ffff888001085520 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2b/0x420 [ 43.309929][ C1] #1: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 43.310410][ C1] [ 43.310410][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 43.310824][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 43.311075][ C1] HARDIRQ-ON-W at: [ 43.311266][ C1] __lock_acquire+0x797/0x1570 [ 43.311576][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.311881][ C1] _raw_spin_lock+0x30/0x40 [ 43.312188][ C1] set_mems_allowed+0x1d/0x210 [ 43.312488][ C1] kernel_init_freeable+0x72/0x310 [ 43.312782][ C1] kernel_init+0x20/0x200 [ 43.313083][ C1] ret_from_fork+0x31/0x70 [ 43.313397][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.313701][ C1] SOFTIRQ-ON-W at: [ 43.313885][ C1] __lock_acquire+0x797/0x1570 [ 43.314191][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.314499][ C1] _raw_spin_lock+0x30/0x40 [ 43.314806][ C1] set_mems_allowed+0x1d/0x210 [ 43.315107][ C1] kernel_init_freeable+0x72/0x310 [ 43.315425][ C1] kernel_init+0x20/0x200 [ 43.315728][ C1] ret_from_fork+0x31/0x70 [ 43.316035][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.316344][ C1] INITIAL USE at: [ 43.316533][ C1] __lock_acquire+0x797/0x1570 [ 43.316846][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.317148][ C1] _raw_spin_lock+0x30/0x40 [ 43.317458][ C1] set_mems_allowed+0x1d/0x210 [ 43.317753][ C1] kernel_init_freeable+0x72/0x310 [ 43.318049][ C1] kernel_init+0x20/0x200 [ 43.318332][ C1] ret_from_fork+0x31/0x70 [ 43.318635][ C1] ret_from_fork_asm+0x1a/0x30 [ 43.318918][ C1] } [ 43.319038][ C1] ... key at: [] __key.387+0x0/0x40 [ 43.319385][ C1] ... acquired at: [ 43.319554][ C1] __lock_acquire+0xaf0/0x1570 [ 43.319794][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.320020][ C1] _raw_spin_lock+0x30/0x40 [ 43.320261][ C1] __get_task_comm+0x27/0x70 [ 43.320492][ C1] ref_tracker_alloc+0x2ee/0x490 [ 43.320739][ C1] linkwatch_fire_event+0x196/0x200 [ 43.320975][ C1] veth_newlink+0x367/0x830 [veth] [ 43.321227][ C1] rtnl_newlink_create+0x341/0x850 [ 43.321468][ C1] __rtnl_newlink+0xac9/0xd80 [ 43.321705][ C1] rtnl_newlink+0x63/0xa0 [ 43.321940][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.322180][ C1] netlink_rcv_skb+0x130/0x360 [ 43.322410][ C1] netlink_unicast+0x449/0x710 [ 43.322638][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.322870][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.323105][ C1] ___sys_sendmsg+0xee/0x170 [ 43.323344][ C1] __sys_sendmsg+0xcd/0x170 [ 43.323563][ C1] do_syscall_64+0xc6/0x1e0 [ 43.323797][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.324082][ C1] [ 43.324204][ C1] -> (lweventlist_lock){....}-{2:2} { [ 43.324444][ C1] INITIAL USE at: [ 43.324605][ C1] __lock_acquire+0x797/0x1570 [ 43.324891][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.325174][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 43.325474][ C1] linkwatch_sync_dev+0x29/0x1f0 [ 43.325753][ C1] rtnl_getlink+0x4c9/0x970 [ 43.326048][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.326333][ C1] netlink_rcv_skb+0x130/0x360 [ 43.326654][ C1] netlink_unicast+0x449/0x710 [ 43.326942][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.327225][ C1] __sys_sendto+0x37d/0x410 [ 43.327516][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.327819][ C1] do_syscall_64+0xc6/0x1e0 [ 43.328114][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.328453][ C1] } [ 43.328569][ C1] ... key at: [] lweventlist_lock+0x18/0x60 [ 43.328914][ C1] ... acquired at: [ 43.329086][ C1] __lock_acquire+0xaf0/0x1570 [ 43.329325][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.329564][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 43.329794][ C1] linkwatch_fire_event+0x74/0x200 [ 43.330019][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 43.330375][ C1] br_set_mac_address+0x1f3/0x260 [bridge] [ 43.330723][ C1] dev_set_mac_address+0x28a/0x410 [ 43.330950][ C1] dev_set_mac_address_user+0x31/0x50 [ 43.331174][ C1] do_setlink+0x17b4/0x21e0 [ 43.331405][ C1] rtnl_setlink+0x1f7/0x310 [ 43.331633][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.331863][ C1] netlink_rcv_skb+0x130/0x360 [ 43.332085][ C1] netlink_unicast+0x449/0x710 [ 43.332317][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.332548][ C1] __sys_sendto+0x37d/0x410 [ 43.332783][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 43.333012][ C1] do_syscall_64+0xc6/0x1e0 [ 43.333244][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.333542][ C1] [ 43.333661][ C1] -> (&br->lock){+.-.}-{2:2} { [ 43.333891][ C1] HARDIRQ-ON-W at: [ 43.334055][ C1] __lock_acquire+0x797/0x1570 [ 43.334332][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.334615][ C1] _raw_spin_lock_bh+0x38/0x50 [ 43.334910][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 43.335358][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 43.335760][ C1] br_changelink+0x36c/0x1360 [bridge] [ 43.336094][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 43.336419][ C1] rtnl_newlink_create+0x341/0x850 [ 43.336703][ C1] __rtnl_newlink+0xac9/0xd80 [ 43.336994][ C1] rtnl_newlink+0x63/0xa0 [ 43.337301][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.337591][ C1] netlink_rcv_skb+0x130/0x360 [ 43.337882][ C1] netlink_unicast+0x449/0x710 [ 43.338162][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.338450][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.338745][ C1] ___sys_sendmsg+0xee/0x170 [ 43.339035][ C1] __sys_sendmsg+0xcd/0x170 [ 43.339341][ C1] do_syscall_64+0xc6/0x1e0 [ 43.339642][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.339982][ C1] IN-SOFTIRQ-W at: [ 43.340157][ C1] __lock_acquire+0x797/0x1570 [ 43.340452][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.340753][ C1] _raw_spin_lock+0x30/0x40 [ 43.341045][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.341475][ C1] call_timer_fn+0x13b/0x230 [ 43.341785][ C1] __run_timers+0x545/0x810 [ 43.342090][ C1] run_timer_softirq+0xe8/0x1b0 [ 43.342393][ C1] __do_softirq+0x1f8/0x5df [ 43.342701][ C1] irq_exit_rcu+0x97/0xc0 [ 43.342901][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 43.343139][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 43.343372][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 43.343615][ C1] __create_object+0x5e/0xb0 [ 43.343812][ C1] kmem_cache_alloc+0x208/0x270 [ 43.344011][ C1] __anon_vma_prepare+0x5e/0x370 [ 43.344206][ C1] wp_page_copy+0xb4f/0x1080 [ 43.344404][ C1] __handle_mm_fault+0x40f/0x5f0 [ 43.344608][ C1] handle_mm_fault+0x1e5/0x410 [ 43.344806][ C1] do_user_addr_fault+0x22b/0xbe0 [ 43.344999][ C1] exc_page_fault+0x5e/0xd0 [ 43.345191][ C1] asm_exc_page_fault+0x26/0x30 [ 43.345396][ C1] INITIAL USE at: [ 43.345551][ C1] __lock_acquire+0x797/0x1570 [ 43.345844][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.346038][ C1] _raw_spin_lock_bh+0x38/0x50 [ 43.346235][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 43.346518][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 43.346789][ C1] br_changelink+0x36c/0x1360 [bridge] [ 43.347120][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 43.347354][ C1] rtnl_newlink_create+0x341/0x850 [ 43.347560][ C1] __rtnl_newlink+0xac9/0xd80 [ 43.347853][ C1] rtnl_newlink+0x63/0xa0 [ 43.348047][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 43.348240][ C1] netlink_rcv_skb+0x130/0x360 [ 43.348441][ C1] netlink_unicast+0x449/0x710 [ 43.348643][ C1] netlink_sendmsg+0x723/0xbe0 [ 43.348837][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 43.349032][ C1] ___sys_sendmsg+0xee/0x170 [ 43.349312][ C1] __sys_sendmsg+0xcd/0x170 [ 43.349513][ C1] do_syscall_64+0xc6/0x1e0 [ 43.349711][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 43.350033][ C1] } [ 43.350114][ C1] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 43.350418][ C1] ... acquired at: [ 43.350563][ C1] mark_lock+0x28d/0x3e0 [ 43.350759][ C1] mark_usage+0xd9/0x2a0 [ 43.351011][ C1] __lock_acquire+0x797/0x1570 [ 43.351168][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.351324][ C1] _raw_spin_lock+0x30/0x40 [ 43.351492][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.351729][ C1] call_timer_fn+0x13b/0x230 [ 43.351884][ C1] __run_timers+0x545/0x810 [ 43.352041][ C1] run_timer_softirq+0xe8/0x1b0 [ 43.352197][ C1] __do_softirq+0x1f8/0x5df [ 43.352353][ C1] irq_exit_rcu+0x97/0xc0 [ 43.352517][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 43.352712][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 43.352909][ C1] _raw_spin_unlock_irqrestore+0x43/0x70 [ 43.353187][ C1] __create_object+0x5e/0xb0 [ 43.353345][ C1] kmem_cache_alloc+0x208/0x270 [ 43.353505][ C1] __anon_vma_prepare+0x5e/0x370 [ 43.353664][ C1] wp_page_copy+0xb4f/0x1080 [ 43.353912][ C1] __handle_mm_fault+0x40f/0x5f0 [ 43.354068][ C1] handle_mm_fault+0x1e5/0x410 [ 43.354222][ C1] do_user_addr_fault+0x22b/0xbe0 [ 43.354379][ C1] exc_page_fault+0x5e/0xd0 [ 43.354538][ C1] asm_exc_page_fault+0x26/0x30 [ 43.354690][ C1] [ 43.354767][ C1] [ 43.354767][ C1] stack backtrace: [ 43.354955][ C1] CPU: 1 PID: 387 Comm: mausezahn Not tainted 6.9.0-rc1-virtme #1 [ 43.355192][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.355580][ C1] Call Trace: [ 43.355771][ C1] [ 43.355856][ C1] dump_stack_lvl+0x82/0xd0 [ 43.356098][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 43.356290][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 43.356482][ C1] ? __pfx_usage_skip+0x10/0x10 [ 43.356760][ C1] ? __pfx_usage_match+0x10/0x10 [ 43.356924][ C1] ? arch_stack_walk+0xa2/0xf0 [ 43.357081][ C1] mark_lock_irq+0x4cd/0xa10 [ 43.357237][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 43.357396][ C1] ? stack_trace_save+0x94/0xd0 [ 43.357632][ C1] ? add_chain_cache+0x248/0x8b0 [ 43.357787][ C1] ? save_trace+0x8f/0x5b0 [ 43.357943][ C1] mark_lock+0x28d/0x3e0 [ 43.358061][ C1] mark_usage+0xd9/0x2a0 [ 43.358262][ C1] __lock_acquire+0x797/0x1570 [ 43.358416][ C1] ? __lock_acquire+0xaf0/0x1570 [ 43.358571][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 43.358843][ C1] lock_acquire.part.0+0xeb/0x330 [ 43.359082][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.359309][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 43.359464][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 43.359616][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.359944][ C1] ? lock_acquire+0x32/0xc0 [ 43.360096][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.360331][ C1] _raw_spin_lock+0x30/0x40 [ 43.360486][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.360725][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 43.360951][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 43.361214][ C1] call_timer_fn+0x13b/0x230 [ 43.361451][ C1] ? call_timer_fn+0xe8/0x230 [ 43.361604][ C1] ? call_timer_fn+0xe8/0x230 [ 43.361765][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 43.361914][ C1] ? hlock_class+0x4e/0x130 [ 43.362154][ C1] ? mark_held_locks+0x9e/0xe0 [ 43.362312][ C1] __run_timers+0x545/0x810 [ 43.362466][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 43.362735][ C1] ? __pfx___run_timers+0x10/0x10 [ 43.362973][ C1] ? do_raw_spin_lock+0x131/0x270 [ 43.363129][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 43.363287][ C1] ? lock_acquire+0x32/0xc0 [ 43.363442][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 43.363687][ C1] run_timer_softirq+0xe8/0x1b0 [ 43.363845][ C1] __do_softirq+0x1f8/0x5df [ 43.364001][ C1] irq_exit_rcu+0x97/0xc0 [ 43.364119][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 43.364273][ C1] [ 43.364441][ C1] [ 43.364522][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 43.364712][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 43.364913][ C1] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 05 bf 6f 44 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b [ 43.365562][ C1] RSP: 0000:ffffc9000052fb30 EFLAGS: 00000286 [ 43.365761][ C1] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff7d65eb4 [ 43.366082][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbb940911 [ 43.366317][ C1] RBP: ffffffffbcd2a240 R08: 0000000000000001 R09: fffffbfff7d638aa [ 43.366550][ C1] R10: ffffffffbeb1c557 R11: ffffc9000052f921 R12: ffff888004539608 [ 43.366867][ C1] R13: 0000000000000050 R14: 0000000000000001 R15: 0000000000000282 [ 43.367100][ C1] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 43.367291][ C1] __create_object+0x5e/0xb0 [ 43.367541][ C1] kmem_cache_alloc+0x208/0x270 [ 43.367700][ C1] __anon_vma_prepare+0x5e/0x370 [ 43.367855][ C1] wp_page_copy+0xb4f/0x1080 [ 43.368011][ C1] ? __pfx_wp_page_copy+0x10/0x10 [ 43.368248][ C1] ? __pfx_vm_normal_page+0x10/0x10 [ 43.368403][ C1] ? rcu_read_unlock+0x1e/0x70 [ 43.368570][ C1] ? do_wp_page+0x40b/0xfc0 [ 43.368733][ C1] __handle_mm_fault+0x40f/0x5f0 [ 43.368972][ C1] ? __pfx___handle_mm_fault+0x10/0x10 [ 43.369140][ C1] handle_mm_fault+0x1e5/0x410 [ 43.369292][ C1] ? __pfx_find_vma+0x10/0x10 [ 43.369450][ C1] ? __pfx_handle_mm_fault+0x10/0x10 [ 43.369607][ C1] do_user_addr_fault+0x22b/0xbe0 [ 43.369845][ C1] ? irqentry_enter_from_user_mode+0x57/0x90 [ 43.370035][ C1] exc_page_fault+0x5e/0xd0 [ 43.370192][ C1] asm_exc_page_fault+0x26/0x30 [ 43.370344][ C1] RIP: 0033:0x7f0def56a0ec [ 43.370597][ C1] Code: 1e fa 80 3d 35 ef 02 00 00 75 2b 55 48 83 3d 0a ef 02 00 00 48 89 e5 74 0c 48 8d 3d fe e8 02 00 e8 59 ff ff ff e8 64 ff ff ff 05 0d ef 02 00 01 5d c3 0f 1f 00 c3 0f 1f 80 00 00 00 00 f3 0f [ 43.371228][ C1] RSP: 002b:00007ffda950a2b0 EFLAGS: 00010246 [ 43.371424][ C1] RAX: 00007f0def599000 RBX: 00007f0def94b000 RCX: 0000000000000000 [ 43.371656][ C1] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f0def599000 [ 43.371980][ C1] RBP: 00007ffda950a2b0 R08: 0000000000000000 R09: 0000000000000068 [ 43.372211][ C1] R10: 00007f0def5a7fa8 R11: 00007f0def5f98d0 R12: 0000000000000000 [ 43.372439][ C1] R13: 00007f0def94b988 R14: 00007ffda950a2f8 R15: 00007f0def7aa530 [ 43.372756][ C1] [ 47.419576][ T447] br1: port 2(veth2) entered disabled state [ 47.520817][ T448] veth2: left allmulticast mode [ 47.520984][ T448] veth2: left promiscuous mode [ 47.521241][ T448] br1: port 2(veth2) entered disabled state [ 47.637378][ T449] br1: port 1(veth1) entered disabled state [ 47.739227][ T450] veth1: left allmulticast mode [ 47.739486][ T450] veth1: left promiscuous mode [ 47.740548][ T450] br1: port 1(veth1) entered disabled state