[ 31.852508][ T279] 8021q: 802.1Q VLAN Support v1.8 [ 32.571317][ T285] ip (285) used greatest stack depth: 23904 bytes left [ 35.652066][ T312] br0: port 1(veth1) entered blocking state [ 35.652827][ T312] br0: port 1(veth1) entered disabled state [ 35.653185][ T312] veth1: entered allmulticast mode [ 35.655170][ T312] veth1: entered promiscuous mode [ 35.774849][ T50] br0: port 1(veth1) entered blocking state [ 35.775226][ T50] br0: port 1(veth1) entered forwarding state [ 36.052557][ T315] br0: port 2(veth2) entered blocking state [ 36.052915][ T315] br0: port 2(veth2) entered disabled state [ 36.054378][ T315] veth2: entered allmulticast mode [ 36.057242][ T315] veth2: entered promiscuous mode [ 36.197809][ T51] br0: port 2(veth2) entered blocking state [ 36.198109][ T51] br0: port 2(veth2) entered forwarding state [ 50.991243][ C1] [ 50.991376][ C1] ======================================================== [ 50.991618][ C1] WARNING: possible irq lock inversion dependency detected [ 50.991922][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 50.992193][ C1] -------------------------------------------------------- [ 50.992473][ C1] swapper/1/0 just changed the state of lock: [ 50.992723][ C1] ffff88800889ac38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.993249][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 50.993541][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 50.993549][ C1] [ 50.993549][ C1] [ 50.993549][ C1] and interrupts could create inverse lock ordering between them. [ 50.993549][ C1] [ 50.994334][ C1] [ 50.994334][ C1] other info that might help us debug this: [ 50.994651][ C1] Chain exists of: [ 50.994651][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 50.994651][ C1] [ 50.995136][ C1] Possible interrupt unsafe locking scenario: [ 50.995136][ C1] [ 50.995443][ C1] CPU0 CPU1 [ 50.995655][ C1] ---- ---- [ 50.995864][ C1] lock(&p->alloc_lock); [ 50.996027][ C1] local_irq_disable(); [ 50.996292][ C1] lock(&br->lock); [ 50.996567][ C1] lock(lweventlist_lock); [ 50.996830][ C1] [ 50.996991][ C1] lock(&br->lock); [ 50.997153][ C1] [ 50.997153][ C1] *** DEADLOCK *** [ 50.997153][ C1] [ 50.997499][ C1] 1 lock held by swapper/1/0: [ 50.997725][ C1] #0: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 50.998170][ C1] [ 50.998170][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 50.998542][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 50.998763][ C1] HARDIRQ-ON-W at: [ 50.998880][ C1] __lock_acquire+0x797/0x1570 [ 50.999073][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.999271][ C1] _raw_spin_lock+0x30/0x40 [ 50.999511][ C1] set_mems_allowed+0x1d/0x210 [ 50.999739][ C1] kernel_init_freeable+0x72/0x310 [ 50.999933][ C1] kernel_init+0x20/0x200 [ 51.000124][ C1] ret_from_fork+0x31/0x70 [ 51.000375][ C1] ret_from_fork_asm+0x1a/0x30 [ 51.000641][ C1] SOFTIRQ-ON-W at: [ 51.000812][ C1] __lock_acquire+0x797/0x1570 [ 51.001030][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.001243][ C1] _raw_spin_lock+0x30/0x40 [ 51.001515][ C1] set_mems_allowed+0x1d/0x210 [ 51.001792][ C1] kernel_init_freeable+0x72/0x310 [ 51.002101][ C1] kernel_init+0x20/0x200 [ 51.002376][ C1] ret_from_fork+0x31/0x70 [ 51.002672][ C1] ret_from_fork_asm+0x1a/0x30 [ 51.002951][ C1] INITIAL USE at: [ 51.003121][ C1] __lock_acquire+0x797/0x1570 [ 51.003401][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.003687][ C1] _raw_spin_lock+0x30/0x40 [ 51.003972][ C1] set_mems_allowed+0x1d/0x210 [ 51.004266][ C1] kernel_init_freeable+0x72/0x310 [ 51.004547][ C1] kernel_init+0x20/0x200 [ 51.004829][ C1] ret_from_fork+0x31/0x70 [ 51.005106][ C1] ret_from_fork_asm+0x1a/0x30 [ 51.005389][ C1] } [ 51.005505][ C1] ... key at: [] __key.387+0x0/0x40 [ 51.005844][ C1] ... acquired at: [ 51.006000][ C1] __lock_acquire+0xaf0/0x1570 [ 51.006227][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.006447][ C1] _raw_spin_lock+0x30/0x40 [ 51.006655][ C1] __get_task_comm+0x27/0x70 [ 51.006878][ C1] ref_tracker_alloc+0x2ee/0x490 [ 51.007099][ C1] linkwatch_fire_event+0x196/0x200 [ 51.007314][ C1] veth_newlink+0x367/0x830 [veth] [ 51.007551][ C1] rtnl_newlink_create+0x341/0x850 [ 51.007774][ C1] __rtnl_newlink+0xac9/0xd80 [ 51.007997][ C1] rtnl_newlink+0x63/0xa0 [ 51.008219][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.008439][ C1] netlink_rcv_skb+0x130/0x360 [ 51.008665][ C1] netlink_unicast+0x449/0x710 [ 51.008881][ C1] netlink_sendmsg+0x723/0xbe0 [ 51.009105][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 51.009307][ C1] ___sys_sendmsg+0xee/0x170 [ 51.009461][ C1] __sys_sendmsg+0xcd/0x170 [ 51.009632][ C1] do_syscall_64+0xc6/0x1e0 [ 51.009788][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.010005][ C1] [ 51.010118][ C1] -> (lweventlist_lock){....}-{2:2} { [ 51.010336][ C1] INITIAL USE at: [ 51.010506][ C1] __lock_acquire+0x797/0x1570 [ 51.010790][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.011047][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 51.011310][ C1] linkwatch_sync_dev+0x29/0x1f0 [ 51.011568][ C1] rtnl_getlink+0x4c9/0x970 [ 51.011844][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.012120][ C1] netlink_rcv_skb+0x130/0x360 [ 51.012404][ C1] netlink_unicast+0x449/0x710 [ 51.012682][ C1] netlink_sendmsg+0x723/0xbe0 [ 51.012957][ C1] __sys_sendto+0x37d/0x410 [ 51.013234][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 51.013510][ C1] do_syscall_64+0xc6/0x1e0 [ 51.013790][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.014126][ C1] } [ 51.014240][ C1] ... key at: [] lweventlist_lock+0x18/0x60 [ 51.014573][ C1] ... acquired at: [ 51.014756][ C1] __lock_acquire+0xaf0/0x1570 [ 51.014981][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.015196][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 51.015407][ C1] linkwatch_fire_event+0x74/0x200 [ 51.015635][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 51.015964][ C1] br_set_mac_address+0x1f3/0x260 [bridge] [ 51.016302][ C1] dev_set_mac_address+0x28a/0x410 [ 51.016524][ C1] dev_set_mac_address_user+0x31/0x50 [ 51.016730][ C1] do_setlink+0x17b4/0x21e0 [ 51.016943][ C1] rtnl_setlink+0x1f7/0x310 [ 51.017164][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.017382][ C1] netlink_rcv_skb+0x130/0x360 [ 51.017553][ C1] netlink_unicast+0x449/0x710 [ 51.017702][ C1] netlink_sendmsg+0x723/0xbe0 [ 51.017851][ C1] __sys_sendto+0x37d/0x410 [ 51.018040][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 51.018243][ C1] do_syscall_64+0xc6/0x1e0 [ 51.018391][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.018578][ C1] [ 51.018654][ C1] -> (&br->lock){+.-.}-{2:2} { [ 51.018859][ C1] HARDIRQ-ON-W at: [ 51.019008][ C1] __lock_acquire+0x797/0x1570 [ 51.019296][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.019521][ C1] _raw_spin_lock_bh+0x38/0x50 [ 51.019716][ C1] br_set_mac_address+0xd2/0x260 [bridge] [ 51.020099][ C1] dev_set_mac_address+0x28a/0x410 [ 51.020377][ C1] dev_set_mac_address_user+0x31/0x50 [ 51.020642][ C1] do_setlink+0x17b4/0x21e0 [ 51.020902][ C1] rtnl_setlink+0x1f7/0x310 [ 51.021162][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.021422][ C1] netlink_rcv_skb+0x130/0x360 [ 51.021683][ C1] netlink_unicast+0x449/0x710 [ 51.021945][ C1] netlink_sendmsg+0x723/0xbe0 [ 51.022206][ C1] __sys_sendto+0x37d/0x410 [ 51.022612][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 51.022877][ C1] do_syscall_64+0xc6/0x1e0 [ 51.023137][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.023454][ C1] IN-SOFTIRQ-W at: [ 51.023610][ C1] __lock_acquire+0x797/0x1570 [ 51.023851][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.024109][ C1] _raw_spin_lock+0x30/0x40 [ 51.024369][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.024753][ C1] call_timer_fn+0x13b/0x230 [ 51.025015][ C1] __run_timers+0x545/0x810 [ 51.025301][ C1] run_timer_softirq+0xe8/0x1b0 [ 51.025577][ C1] __do_softirq+0x1f8/0x5df [ 51.025828][ C1] irq_exit_rcu+0x97/0xc0 [ 51.026116][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.026412][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.026730][ C1] default_idle+0xf/0x20 [ 51.026958][ C1] default_idle_call+0x6d/0xb0 [ 51.027144][ C1] cpuidle_idle_call+0x1f4/0x280 [ 51.027382][ C1] do_idle+0xf9/0x160 [ 51.027633][ C1] cpu_startup_entry+0x54/0x60 [ 51.027849][ C1] start_secondary+0x21c/0x2b0 [ 51.028113][ C1] common_startup_64+0x12c/0x138 [ 51.028396][ C1] INITIAL USE at: [ 51.028566][ C1] __lock_acquire+0x797/0x1570 [ 51.028772][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.029046][ C1] _raw_spin_lock_bh+0x38/0x50 [ 51.029283][ C1] br_set_mac_address+0xd2/0x260 [bridge] [ 51.029690][ C1] dev_set_mac_address+0x28a/0x410 [ 51.029952][ C1] dev_set_mac_address_user+0x31/0x50 [ 51.030221][ C1] do_setlink+0x17b4/0x21e0 [ 51.030480][ C1] rtnl_setlink+0x1f7/0x310 [ 51.030741][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.031005][ C1] netlink_rcv_skb+0x130/0x360 [ 51.031263][ C1] netlink_unicast+0x449/0x710 [ 51.031533][ C1] netlink_sendmsg+0x723/0xbe0 [ 51.031814][ C1] __sys_sendto+0x37d/0x410 [ 51.032075][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 51.032334][ C1] do_syscall_64+0xc6/0x1e0 [ 51.032595][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.032917][ C1] } [ 51.033028][ C1] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 51.033456][ C1] ... acquired at: [ 51.033582][ C1] mark_lock+0x28d/0x3e0 [ 51.033754][ C1] mark_usage+0xd9/0x2a0 [ 51.033963][ C1] __lock_acquire+0x797/0x1570 [ 51.034162][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.034377][ C1] _raw_spin_lock+0x30/0x40 [ 51.034591][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.034897][ C1] call_timer_fn+0x13b/0x230 [ 51.035109][ C1] __run_timers+0x545/0x810 [ 51.035271][ C1] run_timer_softirq+0xe8/0x1b0 [ 51.035407][ C1] __do_softirq+0x1f8/0x5df [ 51.035543][ C1] irq_exit_rcu+0x97/0xc0 [ 51.035678][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.035846][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.036100][ C1] default_idle+0xf/0x20 [ 51.036250][ C1] default_idle_call+0x6d/0xb0 [ 51.036386][ C1] cpuidle_idle_call+0x1f4/0x280 [ 51.036521][ C1] do_idle+0xf9/0x160 [ 51.036622][ C1] cpu_startup_entry+0x54/0x60 [ 51.036812][ C1] start_secondary+0x21c/0x2b0 [ 51.037048][ C1] common_startup_64+0x12c/0x138 [ 51.037264][ C1] [ 51.037365][ C1] [ 51.037365][ C1] stack backtrace: [ 51.037587][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc1-virtme #1 [ 51.037820][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 51.038290][ C1] Call Trace: [ 51.038447][ C1] [ 51.038555][ C1] dump_stack_lvl+0x82/0xd0 [ 51.038770][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 51.039029][ C1] ? common_startup_64+0x12c/0x138 [ 51.039250][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 51.039505][ C1] ? __pfx_usage_skip+0x10/0x10 [ 51.039712][ C1] ? __pfx_usage_match+0x10/0x10 [ 51.039921][ C1] ? arch_stack_walk+0x8c/0xf0 [ 51.040137][ C1] mark_lock_irq+0x4cd/0xa10 [ 51.040350][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 51.040559][ C1] ? stack_trace_save+0x94/0xd0 [ 51.040771][ C1] ? add_chain_cache+0x248/0x8b0 [ 51.040987][ C1] ? save_trace+0x8f/0x5b0 [ 51.041197][ C1] mark_lock+0x28d/0x3e0 [ 51.041360][ C1] mark_usage+0xd9/0x2a0 [ 51.041521][ C1] __lock_acquire+0x797/0x1570 [ 51.041729][ C1] ? __lock_acquire+0xaf0/0x1570 [ 51.041937][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.042312][ C1] lock_acquire.part.0+0xeb/0x330 [ 51.042517][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.042869][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 51.043085][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 51.043302][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.043656][ C1] ? lock_acquire+0x32/0xc0 [ 51.043871][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.044190][ C1] _raw_spin_lock+0x30/0x40 [ 51.044399][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.044708][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.045036][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.045398][ C1] call_timer_fn+0x13b/0x230 [ 51.045626][ C1] ? call_timer_fn+0xe8/0x230 [ 51.045804][ C1] ? call_timer_fn+0xe8/0x230 [ 51.045997][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 51.046146][ C1] ? mark_lock+0x38/0x3e0 [ 51.046289][ C1] __run_timers+0x545/0x810 [ 51.046439][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.046702][ C1] ? __pfx___run_timers+0x10/0x10 [ 51.046852][ C1] ? do_raw_spin_lock+0x131/0x270 [ 51.047000][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 51.047151][ C1] ? lock_acquire+0x32/0xc0 [ 51.047299][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 51.047458][ C1] run_timer_softirq+0xe8/0x1b0 [ 51.047612][ C1] __do_softirq+0x1f8/0x5df [ 51.047771][ C1] irq_exit_rcu+0x97/0xc0 [ 51.047874][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.048006][ C1] [ 51.048076][ C1] [ 51.048145][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.048312][ C1] RIP: 0010:default_idle+0xf/0x20 [ 51.048464][ C1] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 30 35 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 51.048992][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000246 [ 51.049182][ C1] RAX: 00000000000aae3f RBX: 1ffff92000029fc1 RCX: ffffffff85b0e9d5 [ 51.049404][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff834aa4a4 [ 51.049626][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c [ 51.049848][ C1] R10: ffff8880360b84e3 R11: ffff8880360bdc80 R12: 0000000000000000 [ 51.050068][ C1] R13: ffff888001b7a300 R14: dffffc0000000000 R15: 0000000000000000 [ 51.050296][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 51.050444][ C1] ? cpuidle_idle_call+0x1f4/0x280 [ 51.050594][ C1] default_idle_call+0x6d/0xb0 [ 51.050743][ C1] cpuidle_idle_call+0x1f4/0x280 [ 51.050894][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 51.051047][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 51.051201][ C1] do_idle+0xf9/0x160 [ 51.051316][ C1] cpu_startup_entry+0x54/0x60 [ 51.051464][ C1] start_secondary+0x21c/0x2b0 [ 51.051608][ C1] ? __pfx_start_secondary+0x10/0x10 [ 51.051757][ C1] common_startup_64+0x12c/0x138 [ 51.051908][ C1] [ 115.753939][ T2098] br0: port 2(veth2) entered disabled state [ 115.857964][ T2099] veth2: left allmulticast mode [ 115.858178][ T2099] veth2: left promiscuous mode [ 115.858469][ T2099] br0: port 2(veth2) entered disabled state [ 115.962851][ T2100] br0: port 1(veth1) entered disabled state [ 116.071686][ T2101] veth1: left allmulticast mode [ 116.071866][ T2101] veth1: left promiscuous mode [ 116.072136][ T2101] br0: port 1(veth1) entered disabled state [ 116.866037][ T2111] br0: port 1(veth1) entered blocking state [ 116.866364][ T2111] br0: port 1(veth1) entered disabled state [ 116.866674][ T2111] veth1: entered allmulticast mode [ 116.869048][ T2111] veth1: entered promiscuous mode [ 116.972499][ T50] br0: port 1(veth1) entered blocking state [ 116.972754][ T50] br0: port 1(veth1) entered forwarding state [ 117.432971][ T2116] br0: port 2(veth2) entered blocking state [ 117.433207][ T2116] br0: port 2(veth2) entered disabled state [ 117.433415][ T2116] veth2: entered allmulticast mode [ 117.434907][ T2116] veth2: entered promiscuous mode [ 117.573372][ T7] br0: port 2(veth2) entered blocking state [ 117.573731][ T7] br0: port 2(veth2) entered forwarding state [ 195.873112][ T3908] br0: port 2(veth2) entered disabled state [ 195.971311][ T3910] veth2: left allmulticast mode [ 195.971582][ T3910] veth2: left promiscuous mode [ 195.972015][ T3910] br0: port 2(veth2) entered disabled state [ 196.095353][ T3911] br0: port 1(veth1) entered disabled state [ 196.211610][ T3912] veth1: left allmulticast mode [ 196.211783][ T3912] veth1: left promiscuous mode [ 196.212023][ T3912] br0: port 1(veth1) entered disabled state [ 197.005525][ T3922] br0: port 1(veth1) entered blocking state [ 197.005741][ T3922] br0: port 1(veth1) entered disabled state [ 197.005964][ T3922] veth1: entered allmulticast mode [ 197.007501][ T3922] veth1: entered promiscuous mode [ 197.101238][ T50] br0: port 1(veth1) entered blocking state [ 197.101461][ T50] br0: port 1(veth1) entered forwarding state [ 197.538299][ T3927] br0: port 2(veth2) entered blocking state [ 197.538520][ T3927] br0: port 2(veth2) entered disabled state [ 197.538715][ T3927] veth2: entered allmulticast mode [ 197.545898][ T3927] veth2: entered promiscuous mode [ 197.645060][ T51] br0: port 2(veth2) entered blocking state [ 197.645312][ T51] br0: port 2(veth2) entered forwarding state [ 365.843757][ T7776] br0: port 2(veth2) entered disabled state [ 365.948844][ T7777] veth2: left allmulticast mode [ 365.949026][ T7777] veth2: left promiscuous mode [ 365.949343][ T7777] br0: port 2(veth2) entered disabled state [ 366.049190][ T7778] br0: port 1(veth1) entered disabled state [ 366.152940][ T7779] veth1: left allmulticast mode [ 366.153149][ T7779] veth1: left promiscuous mode [ 366.153428][ T7779] br0: port 1(veth1) entered disabled state