[ 91.519273][ T805] IPv6: Can't replace route, no match found [ 95.982222][ T875] IPv6: Can't replace route, no match found [ 125.238644][ T1244] [ 125.238795][ T1244] ===================================================== [ 125.239013][ T1244] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 125.239280][ T1244] 6.9.0-rc1-virtme #1 Not tainted [ 125.239445][ T1244] ----------------------------------------------------- [ 125.239653][ T1244] ip/1244 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 125.239858][ T1244] ffff888006920968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 125.240166][ T1244] [ 125.240166][ T1244] and this task is already holding: [ 125.240414][ T1244] ffff88802f6bf218 (&ul->lock#2){+.-.}-{2:2}, at: rt6_uncached_list_flush_dev+0x138/0x840 [ 125.240718][ T1244] which would create a new lock dependency: [ 125.240923][ T1244] (&ul->lock#2){+.-.}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 125.241182][ T1244] [ 125.241182][ T1244] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 125.241474][ T1244] (&ul->lock#2){+.-.}-{2:2} [ 125.241479][ T1244] [ 125.241479][ T1244] ... which became SOFTIRQ-irq-safe at: [ 125.241888][ T1244] __lock_acquire+0x797/0x1570 [ 125.242059][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.242227][ T1244] _raw_spin_lock_bh+0x38/0x50 [ 125.242397][ T1244] rt6_uncached_list_del+0x77/0x200 [ 125.242563][ T1244] ip6_dst_destroy+0x74/0x1e0 [ 125.242729][ T1244] dst_destroy+0xbc/0x370 [ 125.242897][ T1244] rcu_do_batch+0x3c0/0xfb0 [ 125.243066][ T1244] rcu_core+0x2be/0x500 [ 125.243194][ T1244] __do_softirq+0x1f8/0x5df [ 125.243363][ T1244] irq_exit_rcu+0x97/0xc0 [ 125.243530][ T1244] sysvec_apic_timer_interrupt+0x75/0x80 [ 125.243699][ T1244] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 125.243908][ T1244] default_idle+0xf/0x20 [ 125.244039][ T1244] default_idle_call+0x6d/0xb0 [ 125.244214][ T1244] cpuidle_idle_call+0x1f4/0x280 [ 125.244379][ T1244] do_idle+0xf9/0x160 [ 125.244502][ T1244] cpu_startup_entry+0x54/0x60 [ 125.244676][ T1244] start_secondary+0x21c/0x2b0 [ 125.244844][ T1244] common_startup_64+0x12c/0x138 [ 125.245011][ T1244] [ 125.245011][ T1244] to a SOFTIRQ-irq-unsafe lock: [ 125.245215][ T1244] (&p->alloc_lock){+.+.}-{2:2} [ 125.245219][ T1244] [ 125.245219][ T1244] ... which became SOFTIRQ-irq-unsafe at: [ 125.245627][ T1244] ... [ 125.245629][ T1244] __lock_acquire+0x797/0x1570 [ 125.245877][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.246041][ T1244] _raw_spin_lock+0x30/0x40 [ 125.246209][ T1244] set_mems_allowed+0x1d/0x210 [ 125.246379][ T1244] kernel_init_freeable+0x72/0x310 [ 125.246544][ T1244] kernel_init+0x20/0x200 [ 125.246708][ T1244] ret_from_fork+0x31/0x70 [ 125.246878][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.247048][ T1244] [ 125.247048][ T1244] other info that might help us debug this: [ 125.247048][ T1244] [ 125.247369][ T1244] Possible interrupt unsafe locking scenario: [ 125.247369][ T1244] [ 125.247614][ T1244] CPU0 CPU1 [ 125.247776][ T1244] ---- ---- [ 125.247943][ T1244] lock(&p->alloc_lock); [ 125.248071][ T1244] local_irq_disable(); [ 125.248275][ T1244] lock(&ul->lock#2); [ 125.248471][ T1244] lock(&p->alloc_lock); [ 125.248664][ T1244] [ 125.248782][ T1244] lock(&ul->lock#2); [ 125.248901][ T1244] [ 125.248901][ T1244] *** DEADLOCK *** [ 125.248901][ T1244] [ 125.249127][ T1244] 2 locks held by ip/1244: [ 125.249290][ T1244] #0: ffffffff91bb7208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 125.249572][ T1244] #1: ffff88802f6bf218 (&ul->lock#2){+.-.}-{2:2}, at: rt6_uncached_list_flush_dev+0x138/0x840 [ 125.249883][ T1244] [ 125.249883][ T1244] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 125.250187][ T1244] -> (&ul->lock#2){+.-.}-{2:2} { [ 125.250350][ T1244] HARDIRQ-ON-W at: [ 125.250467][ T1244] __lock_acquire+0x797/0x1570 [ 125.250668][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.250866][ T1244] _raw_spin_lock_bh+0x38/0x50 [ 125.251060][ T1244] rt6_uncached_list_add+0x55/0x1b0 [ 125.251256][ T1244] icmp6_dst_alloc+0x2c0/0x450 [ 125.251445][ T1244] mld_sendpack+0x529/0xbc0 [ 125.251641][ T1244] mld_ifc_work+0x32/0x1f0 [ 125.251831][ T1244] process_one_work+0xe2c/0x1730 [ 125.252028][ T1244] worker_thread+0x587/0xd30 [ 125.252228][ T1244] kthread+0x28a/0x350 [ 125.252385][ T1244] ret_from_fork+0x31/0x70 [ 125.252581][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.252775][ T1244] IN-SOFTIRQ-W at: [ 125.252892][ T1244] __lock_acquire+0x797/0x1570 [ 125.253087][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.253299][ T1244] _raw_spin_lock_bh+0x38/0x50 [ 125.253509][ T1244] rt6_uncached_list_del+0x77/0x200 [ 125.253717][ T1244] ip6_dst_destroy+0x74/0x1e0 [ 125.253929][ T1244] dst_destroy+0xbc/0x370 [ 125.254136][ T1244] rcu_do_batch+0x3c0/0xfb0 [ 125.254342][ T1244] rcu_core+0x2be/0x500 [ 125.254553][ T1244] __do_softirq+0x1f8/0x5df [ 125.254758][ T1244] irq_exit_rcu+0x97/0xc0 [ 125.254972][ T1244] sysvec_apic_timer_interrupt+0x75/0x80 [ 125.255225][ T1244] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 125.255471][ T1244] default_idle+0xf/0x20 [ 125.255684][ T1244] default_idle_call+0x6d/0xb0 [ 125.255892][ T1244] cpuidle_idle_call+0x1f4/0x280 [ 125.256101][ T1244] do_idle+0xf9/0x160 [ 125.256257][ T1244] cpu_startup_entry+0x54/0x60 [ 125.256451][ T1244] start_secondary+0x21c/0x2b0 [ 125.256646][ T1244] common_startup_64+0x12c/0x138 [ 125.256839][ T1244] INITIAL USE at: [ 125.256953][ T1244] __lock_acquire+0x797/0x1570 [ 125.257153][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.257343][ T1244] _raw_spin_lock_bh+0x38/0x50 [ 125.257537][ T1244] rt6_uncached_list_add+0x55/0x1b0 [ 125.257731][ T1244] icmp6_dst_alloc+0x2c0/0x450 [ 125.257924][ T1244] mld_sendpack+0x529/0xbc0 [ 125.258117][ T1244] mld_ifc_work+0x32/0x1f0 [ 125.258310][ T1244] process_one_work+0xe2c/0x1730 [ 125.258510][ T1244] worker_thread+0x587/0xd30 [ 125.258705][ T1244] kthread+0x28a/0x350 [ 125.258860][ T1244] ret_from_fork+0x31/0x70 [ 125.259058][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.259269][ T1244] } [ 125.259349][ T1244] ... key at: [] __key.15+0x0/0x40 [ 125.259583][ T1244] [ 125.259583][ T1244] the dependencies between the lock to be acquired [ 125.259584][ T1244] and SOFTIRQ-irq-unsafe lock: [ 125.260001][ T1244] -> (&p->alloc_lock){+.+.}-{2:2} { [ 125.260167][ T1244] HARDIRQ-ON-W at: [ 125.260284][ T1244] __lock_acquire+0x797/0x1570 [ 125.260482][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.260677][ T1244] _raw_spin_lock+0x30/0x40 [ 125.260875][ T1244] set_mems_allowed+0x1d/0x210 [ 125.261075][ T1244] kernel_init_freeable+0x72/0x310 [ 125.261275][ T1244] kernel_init+0x20/0x200 [ 125.261470][ T1244] ret_from_fork+0x31/0x70 [ 125.261666][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.261863][ T1244] SOFTIRQ-ON-W at: [ 125.261983][ T1244] __lock_acquire+0x797/0x1570 [ 125.262178][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.262380][ T1244] _raw_spin_lock+0x30/0x40 [ 125.262574][ T1244] set_mems_allowed+0x1d/0x210 [ 125.262767][ T1244] kernel_init_freeable+0x72/0x310 [ 125.262963][ T1244] kernel_init+0x20/0x200 [ 125.263159][ T1244] ret_from_fork+0x31/0x70 [ 125.263352][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.263549][ T1244] INITIAL USE at: [ 125.263667][ T1244] __lock_acquire+0x797/0x1570 [ 125.263863][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.264063][ T1244] _raw_spin_lock+0x30/0x40 [ 125.264256][ T1244] set_mems_allowed+0x1d/0x210 [ 125.264455][ T1244] kernel_init_freeable+0x72/0x310 [ 125.264651][ T1244] kernel_init+0x20/0x200 [ 125.264850][ T1244] ret_from_fork+0x31/0x70 [ 125.265047][ T1244] ret_from_fork_asm+0x1a/0x30 [ 125.265244][ T1244] } [ 125.265325][ T1244] ... key at: [] __key.388+0x0/0x40 [ 125.265558][ T1244] ... acquired at: [ 125.265674][ T1244] check_prev_add+0x194/0xce0 [ 125.265833][ T1244] validate_chain+0x71d/0x9b0 [ 125.265988][ T1244] __lock_acquire+0xaf0/0x1570 [ 125.266146][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.266300][ T1244] _raw_spin_lock+0x30/0x40 [ 125.266458][ T1244] __get_task_comm+0x27/0x70 [ 125.266611][ T1244] ref_tracker_alloc+0x2ee/0x490 [ 125.266767][ T1244] rt6_uncached_list_flush_dev+0x494/0x840 [ 125.266956][ T1244] rt6_disable_ip+0xd9/0x140 [ 125.267111][ T1244] addrconf_ifdown.isra.0+0x103/0x1560 [ 125.267265][ T1244] addrconf_notify+0xd1/0xd60 [ 125.267422][ T1244] notifier_call_chain+0xcd/0x150 [ 125.267575][ T1244] unregister_netdevice_many_notify+0x548/0x1190 [ 125.267768][ T1244] rtnl_dellink+0x330/0xa30 [ 125.267921][ T1244] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 125.268076][ T1244] netlink_rcv_skb+0x130/0x360 [ 125.268230][ T1244] netlink_unicast+0x449/0x710 [ 125.268470][ T1244] netlink_sendmsg+0x723/0xbe0 [ 125.268623][ T1244] ____sys_sendmsg+0x7b2/0xa10 [ 125.268783][ T1244] ___sys_sendmsg+0xee/0x170 [ 125.268940][ T1244] __sys_sendmsg+0xcd/0x170 [ 125.269102][ T1244] do_syscall_64+0xc6/0x1e0 [ 125.269355][ T1244] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 125.269548][ T1244] [ 125.269627][ T1244] [ 125.269627][ T1244] stack backtrace: [ 125.269817][ T1244] CPU: 1 PID: 1244 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 125.270149][ T1244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 125.270495][ T1244] Call Trace: [ 125.270621][ T1244] [ 125.270701][ T1244] dump_stack_lvl+0x82/0xd0 [ 125.270861][ T1244] print_bad_irq_dependency+0x957/0xd40 [ 125.271020][ T1244] ? hlock_class+0x4e/0x130 [ 125.271176][ T1244] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 125.271540][ T1244] ? __pfx_usage_skip+0x10/0x10 [ 125.271695][ T1244] ? __bfs+0x246/0x650 [ 125.271814][ T1244] ? __pfx_usage_match+0x10/0x10 [ 125.271971][ T1244] check_irq_usage+0x596/0x850 [ 125.272129][ T1244] ? __pfx_check_irq_usage+0x10/0x10 [ 125.272371][ T1244] ? __bfs+0x246/0x650 [ 125.272490][ T1244] ? __pfx_hlock_conflict+0x10/0x10 [ 125.272648][ T1244] ? check_path.constprop.0+0x24/0x50 [ 125.272803][ T1244] ? check_noncircular+0x14c/0x3e0 [ 125.273048][ T1244] ? __pfx_check_noncircular+0x10/0x10 [ 125.273210][ T1244] ? check_prev_add+0x194/0xce0 [ 125.273365][ T1244] check_prev_add+0x194/0xce0 [ 125.273521][ T1244] ? validate_chain+0x130/0x9b0 [ 125.273676][ T1244] validate_chain+0x71d/0x9b0 [ 125.273834][ T1244] ? mark_lock+0x38/0x3e0 [ 125.273953][ T1244] ? __pfx_validate_chain+0x10/0x10 [ 125.274109][ T1244] ? hlock_class+0x4e/0x130 [ 125.274263][ T1244] ? mark_lock+0x38/0x3e0 [ 125.274468][ T1244] __lock_acquire+0xaf0/0x1570 [ 125.274627][ T1244] lock_acquire.part.0+0xeb/0x330 [ 125.274780][ T1244] ? __get_task_comm+0x27/0x70 [ 125.274938][ T1244] ? mark_lock+0x38/0x3e0 [ 125.275058][ T1244] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 125.275303][ T1244] ? trace_lock_acquire+0x135/0x1c0 [ 125.275457][ T1244] ? __get_task_comm+0x27/0x70 [ 125.275608][ T1244] ? lock_acquire+0x32/0xc0 [ 125.275762][ T1244] ? __get_task_comm+0x27/0x70 [ 125.276011][ T1244] _raw_spin_lock+0x30/0x40 [ 125.276165][ T1244] ? __get_task_comm+0x27/0x70 [ 125.276319][ T1244] __get_task_comm+0x27/0x70 [ 125.276470][ T1244] ref_tracker_alloc+0x2ee/0x490 [ 125.276628][ T1244] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 125.276785][ T1244] ? __lock_release+0x103/0x460 [ 125.276942][ T1244] ? rt6_uncached_list_flush_dev+0x494/0x840 [ 125.277139][ T1244] ? rt6_disable_ip+0xd9/0x140 [ 125.277378][ T1244] ? addrconf_ifdown.isra.0+0x103/0x1560 [ 125.277536][ T1244] ? addrconf_notify+0xd1/0xd60 [ 125.277688][ T1244] ? notifier_call_chain+0xcd/0x150 [ 125.277841][ T1244] ? unregister_netdevice_many_notify+0x548/0x1190 [ 125.278113][ T1244] ? rtnl_dellink+0x330/0xa30 [ 125.278264][ T1244] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 125.278417][ T1244] ? netlink_rcv_skb+0x130/0x360 [ 125.278575][ T1244] ? netlink_unicast+0x449/0x710 [ 125.278816][ T1244] ? netlink_sendmsg+0x723/0xbe0 [ 125.278970][ T1244] ? ____sys_sendmsg+0x7b2/0xa10 [ 125.279125][ T1244] ? ___sys_sendmsg+0xee/0x170 [ 125.279289][ T1244] ? __sys_sendmsg+0xcd/0x170 [ 125.279443][ T1244] ? do_syscall_64+0xc6/0x1e0 [ 125.279679][ T1244] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 125.279870][ T1244] ? in6_dev_get+0xcc/0x210 [ 125.280028][ T1244] rt6_uncached_list_flush_dev+0x494/0x840 [ 125.280306][ T1244] rt6_disable_ip+0xd9/0x140 [ 125.280472][ T1244] ? __pfx_rt6_disable_ip+0x10/0x10 [ 125.280630][ T1244] ? mark_lock+0x38/0x3e0 [ 125.280749][ T1244] addrconf_ifdown.isra.0+0x103/0x1560 [ 125.280909][ T1244] ? __try_to_del_timer_sync+0xe7/0x140 [ 125.281147][ T1244] ? __pfx_addrconf_ifdown.isra.0+0x10/0x10 [ 125.281341][ T1244] addrconf_notify+0xd1/0xd60 [ 125.281499][ T1244] notifier_call_chain+0xcd/0x150 [ 125.281656][ T1244] unregister_netdevice_many_notify+0x548/0x1190 [ 125.281934][ T1244] ? mutex_is_locked+0x17/0x50 [ 125.282091][ T1244] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 125.282283][ T1244] ? hlock_class+0x4e/0x130 [ 125.282437][ T1244] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 125.282716][ T1244] rtnl_dellink+0x330/0xa30 [ 125.282872][ T1244] ? hlock_class+0x4e/0x130 [ 125.283035][ T1244] ? __pfx_rtnl_dellink+0x10/0x10 [ 125.283199][ T1244] ? trace_contention_end+0xdc/0x140 [ 125.283525][ T1244] ? __mutex_lock+0x170/0xac0 [ 125.283677][ T1244] ? find_held_lock+0x2c/0x110 [ 125.283830][ T1244] ? rtnetlink_rcv_msg+0x2af/0xbf0 [ 125.283986][ T1244] ? __pfx___mutex_lock+0x10/0x10 [ 125.284226][ T1244] ? __pfx___lock_release+0x10/0x10 [ 125.284381][ T1244] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 125.284537][ T1244] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 125.284692][ T1244] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 125.284931][ T1244] ? hlock_class+0x4e/0x130 [ 125.285083][ T1244] ? mark_lock+0x38/0x3e0 [ 125.285203][ T1244] ? __lock_acquire+0xaf0/0x1570 [ 125.285357][ T1244] netlink_rcv_skb+0x130/0x360 [ 125.285516][ T1244] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 125.285670][ T1244] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 125.285824][ T1244] ? lock_acquire.part.0+0xeb/0x330 [ 125.285980][ T1244] ? netlink_deliver_tap+0xc8/0x340 [ 125.286136][ T1244] ? lock_acquire+0x32/0xc0 [ 125.286376][ T1244] ? netlink_deliver_tap+0xc8/0x340 [ 125.286533][ T1244] ? netlink_deliver_tap+0xc8/0x340 [ 125.286687][ T1244] ? netlink_deliver_tap+0x149/0x340 [ 125.286842][ T1244] netlink_unicast+0x449/0x710 [ 125.287099][ T1244] ? __pfx_netlink_unicast+0x10/0x10 [ 125.287255][ T1244] ? find_held_lock+0x2c/0x110 [ 125.287410][ T1244] netlink_sendmsg+0x723/0xbe0 [ 125.287570][ T1244] ? __pfx_netlink_sendmsg+0x10/0x10 [ 125.287726][ T1244] ? __might_fault+0xc3/0x170 [ 125.287882][ T1244] ? __import_iovec+0x35d/0x5d0 [ 125.288037][ T1244] ____sys_sendmsg+0x7b2/0xa10 [ 125.288194][ T1244] ? __pfx_____sys_sendmsg+0x10/0x10 [ 125.288350][ T1244] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 125.288625][ T1244] ? __pfx_validate_chain+0x10/0x10 [ 125.288782][ T1244] ___sys_sendmsg+0xee/0x170 [ 125.288939][ T1244] ? __pfx____sys_sendmsg+0x10/0x10 [ 125.289094][ T1244] ? find_held_lock+0x2c/0x110 [ 125.289343][ T1244] ? __lock_release+0x103/0x460 [ 125.289497][ T1244] ? __debug_check_no_obj_freed+0x253/0x520 [ 125.289689][ T1244] ? __pfx___lock_release+0x10/0x10 [ 125.289845][ T1244] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 125.290100][ T1244] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 125.290298][ T1244] ? __fget_light+0x53/0x1e0 [ 125.290454][ T1244] __sys_sendmsg+0xcd/0x170 [ 125.290610][ T1244] ? __pfx___sys_sendmsg+0x10/0x10 [ 125.290770][ T1244] do_syscall_64+0xc6/0x1e0 [ 125.290927][ T1244] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 125.291132][ T1244] RIP: 0033:0x7fa62a5a47b7 [ 125.291294][ T1244] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 125.291932][ T1244] RSP: 002b:00007ffc4bb68a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.292274][ T1244] RAX: ffffffffffffffda RBX: 00007ffc4bb69150 RCX: 00007fa62a5a47b7 [ 125.292527][ T1244] RDX: 0000000000000000 RSI: 00007ffc4bb68a80 RDI: 0000000000000005 [ 125.292771][ T1244] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 125.293117][ T1244] R10: 00007fa62a4624a8 R11: 0000000000000246 R12: 0000000000000001 [ 125.293369][ T1244] R13: 00000000660ea0e0 R14: 0000000000495540 R15: 0000000000000000 [ 125.293621][ T1244] [ 125.348225][ T1244] ip (1244) used greatest stack depth: 22784 bytes left [ 168.486106][ T1725] Mirror/redirect action on [ 279.230936][ T2305] veth2: entered promiscuous mode [ 279.297604][ T2305] veth2: left promiscuous mode