[ 26.236526][ T267] ip (267) used greatest stack depth: 23440 bytes left [ 26.368006][ T270] fab-br0: port 1(fbond) entered blocking state [ 26.368346][ T270] fab-br0: port 1(fbond) entered disabled state [ 26.368629][ T270] fbond: entered allmulticast mode [ 26.370266][ T270] fbond: entered promiscuous mode [ 26.488787][ T273] veth1-bond: entered promiscuous mode [ 26.489526][ T273] veth1-bond: entered allmulticast mode [ 26.490357][ T273] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link [ 26.619357][ T274] veth2-bond: entered promiscuous mode [ 26.619709][ T274] veth2-bond: entered allmulticast mode [ 26.621135][ T274] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link [ 26.756396][ T10] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 26.861373][ T10] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex [ 26.861821][ T10] fbond: active interface up! [ 26.990374][ T277] fab-br0: port 1(fbond) entered blocking state [ 26.991030][ T277] fab-br0: port 1(fbond) entered forwarding state [ 27.068427][ T10] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex [ 27.147939][ C2] [ 27.148044][ C2] ======================================================== [ 27.148255][ C2] WARNING: possible irq lock inversion dependency detected [ 27.148460][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 27.148607][ C2] -------------------------------------------------------- [ 27.148812][ C2] ip/279 just changed the state of lock: [ 27.148964][ C2] ffff888006292c18 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [ 27.149242][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.149475][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 27.149479][ C2] [ 27.149479][ C2] [ 27.149479][ C2] and interrupts could create inverse lock ordering between them. [ 27.149479][ C2] [ 27.150298][ C2] [ 27.150298][ C2] other info that might help us debug this: [ 27.150570][ C2] Chain exists of: [ 27.150570][ C2] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 27.150570][ C2] [ 27.151061][ C2] Possible interrupt unsafe locking scenario: [ 27.151061][ C2] [ 27.151394][ C2] CPU0 CPU1 [ 27.151615][ C2] ---- ---- [ 27.151837][ C2] lock(&p->alloc_lock); [ 27.152004][ C2] local_irq_disable(); [ 27.152276][ C2] lock(&br->lock); [ 27.152562][ C2] lock(lweventlist_lock); [ 27.152842][ C2] [ 27.153014][ C2] lock(&br->lock); [ 27.153188][ C2] [ 27.153188][ C2] *** DEADLOCK *** [ 27.153188][ C2] [ 27.153514][ C2] 2 locks held by ip/279: [ 27.153683][ C2] #0: ffff8880198fde60 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0xdd/0x2f0 [ 27.154089][ C2] #1: ffffc90000230d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 27.154542][ C2] [ 27.154542][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 27.154932][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 27.155170][ C2] HARDIRQ-ON-W at: [ 27.155345][ C2] __lock_acquire+0x797/0x1570 [ 27.155634][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.155924][ C2] _raw_spin_lock+0x30/0x40 [ 27.156207][ C2] set_mems_allowed+0x1d/0x210 [ 27.156488][ C2] kernel_init_freeable+0x72/0x310 [ 27.156798][ C2] kernel_init+0x20/0x200 [ 27.157088][ C2] ret_from_fork+0x31/0x70 [ 27.157380][ C2] ret_from_fork_asm+0x1a/0x30 [ 27.157672][ C2] SOFTIRQ-ON-W at: [ 27.157848][ C2] __lock_acquire+0x797/0x1570 [ 27.158135][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.158427][ C2] _raw_spin_lock+0x30/0x40 [ 27.158729][ C2] set_mems_allowed+0x1d/0x210 [ 27.159021][ C2] kernel_init_freeable+0x72/0x310 [ 27.159311][ C2] kernel_init+0x20/0x200 [ 27.159590][ C2] ret_from_fork+0x31/0x70 [ 27.159885][ C2] ret_from_fork_asm+0x1a/0x30 [ 27.160166][ C2] INITIAL USE at: [ 27.160344][ C2] __lock_acquire+0x797/0x1570 [ 27.160639][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.160925][ C2] _raw_spin_lock+0x30/0x40 [ 27.161208][ C2] set_mems_allowed+0x1d/0x210 [ 27.161488][ C2] kernel_init_freeable+0x72/0x310 [ 27.161773][ C2] kernel_init+0x20/0x200 [ 27.162056][ C2] ret_from_fork+0x31/0x70 [ 27.162325][ C2] ret_from_fork_asm+0x1a/0x30 [ 27.162607][ C2] } [ 27.162728][ C2] ... key at: [] __key.387+0x0/0x40 [ 27.163066][ C2] ... acquired at: [ 27.163236][ C2] __lock_acquire+0xaf0/0x1570 [ 27.163471][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.163697][ C2] _raw_spin_lock+0x30/0x40 [ 27.163931][ C2] __get_task_comm+0x27/0x70 [ 27.164158][ C2] ref_tracker_alloc+0x2ee/0x490 [ 27.164384][ C2] linkwatch_fire_event+0x196/0x200 [ 27.164615][ C2] bond_create+0xba/0x110 [ 27.164848][ C2] bonding_init+0x91/0xe0 [ 27.165079][ C2] do_one_initcall+0x8d/0x1e0 [ 27.165301][ C2] do_initcalls+0x1b2/0x3e0 [ 27.165527][ C2] kernel_init_freeable+0x232/0x310 [ 27.165762][ C2] kernel_init+0x20/0x200 [ 27.165985][ C2] ret_from_fork+0x31/0x70 [ 27.166209][ C2] ret_from_fork_asm+0x1a/0x30 [ 27.166445][ C2] [ 27.166576][ C2] -> (lweventlist_lock){....}-{2:2} { [ 27.166822][ C2] INITIAL USE at: [ 27.166999][ C2] __lock_acquire+0x797/0x1570 [ 27.167297][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.167583][ C2] _raw_spin_lock_irqsave+0x3f/0x60 [ 27.167889][ C2] linkwatch_fire_event+0x74/0x200 [ 27.168194][ C2] bond_create+0xba/0x110 [ 27.168497][ C2] bonding_init+0x91/0xe0 [ 27.168803][ C2] do_one_initcall+0x8d/0x1e0 [ 27.169090][ C2] do_initcalls+0x1b2/0x3e0 [ 27.169386][ C2] kernel_init_freeable+0x232/0x310 [ 27.169676][ C2] kernel_init+0x20/0x200 [ 27.169957][ C2] ret_from_fork+0x31/0x70 [ 27.170236][ C2] ret_from_fork_asm+0x1a/0x30 [ 27.170533][ C2] } [ 27.170653][ C2] ... key at: [] lweventlist_lock+0x18/0x60 [ 27.171001][ C2] ... acquired at: [ 27.171178][ C2] __lock_acquire+0xaf0/0x1570 [ 27.171414][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.171676][ C2] _raw_spin_lock_irqsave+0x3f/0x60 [ 27.171897][ C2] linkwatch_fire_event+0x74/0x200 [ 27.172114][ C2] br_stp_change_bridge_id+0x25f/0x360 [ 27.172330][ C2] br_dev_newlink+0x8c/0x100 [ 27.172549][ C2] rtnl_newlink_create+0x341/0x850 [ 27.172764][ C2] __rtnl_newlink+0xac9/0xd80 [ 27.172995][ C2] rtnl_newlink+0x63/0xa0 [ 27.173212][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 27.173432][ C2] netlink_rcv_skb+0x130/0x360 [ 27.173654][ C2] netlink_unicast+0x449/0x710 [ 27.173873][ C2] netlink_sendmsg+0x723/0xbe0 [ 27.174093][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 27.174324][ C2] ___sys_sendmsg+0xee/0x170 [ 27.174558][ C2] __sys_sendmsg+0xcd/0x170 [ 27.174789][ C2] do_syscall_64+0xc6/0x1e0 [ 27.175015][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.175285][ C2] [ 27.175394][ C2] -> (&br->lock){+.-.}-{2:2} { [ 27.175619][ C2] HARDIRQ-ON-W at: [ 27.175784][ C2] __lock_acquire+0x797/0x1570 [ 27.176056][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.176325][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.176630][ C2] br_dev_newlink+0x65/0x100 [ 27.176911][ C2] rtnl_newlink_create+0x341/0x850 [ 27.177182][ C2] __rtnl_newlink+0xac9/0xd80 [ 27.177455][ C2] rtnl_newlink+0x63/0xa0 [ 27.177724][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 27.177997][ C2] netlink_rcv_skb+0x130/0x360 [ 27.178266][ C2] netlink_unicast+0x449/0x710 [ 27.178556][ C2] netlink_sendmsg+0x723/0xbe0 [ 27.178845][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 27.179125][ C2] ___sys_sendmsg+0xee/0x170 [ 27.179393][ C2] __sys_sendmsg+0xcd/0x170 [ 27.179669][ C2] do_syscall_64+0xc6/0x1e0 [ 27.179944][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.180286][ C2] IN-SOFTIRQ-W at: [ 27.180462][ C2] __lock_acquire+0x797/0x1570 [ 27.180745][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.181016][ C2] _raw_spin_lock+0x30/0x40 [ 27.181288][ C2] br_forward_delay_timer_expired+0x48/0x440 [ 27.181628][ C2] call_timer_fn+0x13b/0x230 [ 27.181915][ C2] __run_timers+0x545/0x810 [ 27.182202][ C2] run_timer_softirq+0xe8/0x1b0 [ 27.182501][ C2] __do_softirq+0x1f8/0x5df [ 27.182779][ C2] irq_exit_rcu+0x97/0xc0 [ 27.183068][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 27.183401][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.183749][ C2] arch_stack_walk+0xa/0xf0 [ 27.184039][ C2] stack_trace_save+0x94/0xd0 [ 27.184323][ C2] set_track_prepare+0x31/0x70 [ 27.184605][ C2] ___slab_alloc+0xe8b/0x10a0 [ 27.184895][ C2] kmem_cache_alloc+0x243/0x270 [ 27.185184][ C2] vm_area_alloc+0x20/0x1b0 [ 27.185462][ C2] mmap_region+0x2a6/0x2110 [ 27.185749][ C2] do_mmap+0x622/0xc70 [ 27.185977][ C2] vm_mmap_pgoff+0x113/0x2f0 [ 27.186271][ C2] do_syscall_64+0xc6/0x1e0 [ 27.186573][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.186914][ C2] INITIAL USE at: [ 27.187089][ C2] __lock_acquire+0x797/0x1570 [ 27.187367][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.187656][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.187949][ C2] br_dev_newlink+0x65/0x100 [ 27.188230][ C2] rtnl_newlink_create+0x341/0x850 [ 27.188516][ C2] __rtnl_newlink+0xac9/0xd80 [ 27.188800][ C2] rtnl_newlink+0x63/0xa0 [ 27.189089][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 27.189375][ C2] netlink_rcv_skb+0x130/0x360 [ 27.189656][ C2] netlink_unicast+0x449/0x710 [ 27.189946][ C2] netlink_sendmsg+0x723/0xbe0 [ 27.190236][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 27.190527][ C2] ___sys_sendmsg+0xee/0x170 [ 27.190814][ C2] __sys_sendmsg+0xcd/0x170 [ 27.191104][ C2] do_syscall_64+0xc6/0x1e0 [ 27.191389][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.191734][ C2] } [ 27.191858][ C2] ... key at: [] __key.6+0x0/0x40 [ 27.192148][ C2] ... acquired at: [ 27.192317][ C2] mark_lock+0x28d/0x3e0 [ 27.192539][ C2] mark_usage+0xd9/0x2a0 [ 27.192770][ C2] __lock_acquire+0x797/0x1570 [ 27.192995][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.193221][ C2] _raw_spin_lock+0x30/0x40 [ 27.193453][ C2] br_forward_delay_timer_expired+0x48/0x440 [ 27.193739][ C2] call_timer_fn+0x13b/0x230 [ 27.193966][ C2] __run_timers+0x545/0x810 [ 27.194192][ C2] run_timer_softirq+0xe8/0x1b0 [ 27.194416][ C2] __do_softirq+0x1f8/0x5df [ 27.194647][ C2] irq_exit_rcu+0x97/0xc0 [ 27.194880][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 27.195155][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.195442][ C2] arch_stack_walk+0xa/0xf0 [ 27.195678][ C2] stack_trace_save+0x94/0xd0 [ 27.195916][ C2] set_track_prepare+0x31/0x70 [ 27.196146][ C2] ___slab_alloc+0xe8b/0x10a0 [ 27.196374][ C2] kmem_cache_alloc+0x243/0x270 [ 27.196618][ C2] vm_area_alloc+0x20/0x1b0 [ 27.196847][ C2] mmap_region+0x2a6/0x2110 [ 27.197074][ C2] do_mmap+0x622/0xc70 [ 27.197239][ C2] vm_mmap_pgoff+0x113/0x2f0 [ 27.197472][ C2] do_syscall_64+0xc6/0x1e0 [ 27.197697][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.197990][ C2] [ 27.198104][ C2] [ 27.198104][ C2] stack backtrace: [ 27.198378][ C2] CPU: 2 PID: 279 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 27.198715][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.199211][ C2] Call Trace: [ 27.199397][ C2] [ 27.199524][ C2] dump_stack_lvl+0x82/0xd0 [ 27.199770][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 27.200061][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 27.200345][ C2] ? __pfx_usage_skip+0x10/0x10 [ 27.200563][ C2] ? __pfx_usage_match+0x10/0x10 [ 27.200789][ C2] ? arch_stack_walk+0xa2/0xf0 [ 27.201013][ C2] mark_lock_irq+0x4cd/0xa10 [ 27.201243][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 27.201461][ C2] ? stack_trace_save+0x94/0xd0 [ 27.201683][ C2] ? add_chain_cache+0x248/0x8b0 [ 27.201903][ C2] ? save_trace+0x8f/0x5b0 [ 27.202120][ C2] mark_lock+0x28d/0x3e0 [ 27.202284][ C2] mark_usage+0xd9/0x2a0 [ 27.202449][ C2] __lock_acquire+0x797/0x1570 [ 27.202669][ C2] ? __lock_acquire+0xaf0/0x1570 [ 27.202890][ C2] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [ 27.203156][ C2] lock_acquire.part.0+0xeb/0x330 [ 27.203373][ C2] ? br_forward_delay_timer_expired+0x48/0x440 [ 27.203650][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.203865][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 27.204085][ C2] ? br_forward_delay_timer_expired+0x48/0x440 [ 27.204365][ C2] ? lock_acquire+0x32/0xc0 [ 27.204597][ C2] ? br_forward_delay_timer_expired+0x48/0x440 [ 27.204882][ C2] _raw_spin_lock+0x30/0x40 [ 27.205098][ C2] ? br_forward_delay_timer_expired+0x48/0x440 [ 27.205372][ C2] br_forward_delay_timer_expired+0x48/0x440 [ 27.205640][ C2] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [ 27.205907][ C2] call_timer_fn+0x13b/0x230 [ 27.206127][ C2] ? call_timer_fn+0xe8/0x230 [ 27.206347][ C2] ? call_timer_fn+0xe8/0x230 [ 27.206628][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 27.206779][ C2] ? hlock_class+0x4e/0x130 [ 27.206925][ C2] ? mark_held_locks+0x9e/0xe0 [ 27.207072][ C2] __run_timers+0x545/0x810 [ 27.207214][ C2] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [ 27.207388][ C2] ? __pfx___run_timers+0x10/0x10 [ 27.207532][ C2] ? do_raw_spin_lock+0x131/0x270 [ 27.207761][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 27.207904][ C2] ? lock_acquire+0x32/0xc0 [ 27.208045][ C2] ? run_timer_softirq+0xe0/0x1b0 [ 27.208187][ C2] run_timer_softirq+0xe8/0x1b0 [ 27.208410][ C2] __do_softirq+0x1f8/0x5df [ 27.208563][ C2] irq_exit_rcu+0x97/0xc0 [ 27.208669][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 27.208811][ C2] [ 27.208884][ C2] [ 27.209040][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.209216][ C2] RIP: 0010:arch_stack_walk+0xa/0xf0 [ 27.209363][ C2] Code: e6 83 eb 8d e6 89 eb b3 e6 82 eb 85 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 0f 1f 44 00 00 55 <48> 89 e5 41 56 49 89 d6 41 55 49 89 cd 41 54 49 89 f4 53 48 89 fb [ 27.210048][ C2] RSP: 0018:ffffc90000cbfa20 EFLAGS: 00000246 [ 27.210225][ C2] RAX: 0000000000000000 RBX: fffff52000197f46 RCX: 0000000000000000 [ 27.210521][ C2] RDX: ffff888005b70040 RSI: ffffc90000cbfa50 RDI: ffffffffac5c8260 [ 27.210732][ C2] RBP: ffffc90000cbfc10 R08: 0000000000000001 R09: fffffbfff63a98aa [ 27.210949][ C2] R10: ffffffffb1d4c557 R11: 0000000000000008 R12: ffff888036143530 [ 27.211240][ C2] R13: ffff88800195aac0 R14: ffffea0000142e00 R15: ffff8880050b9188 [ 27.211450][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 27.211629][ C2] stack_trace_save+0x94/0xd0 [ 27.211770][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 27.212001][ C2] ? mark_held_locks+0x9e/0xe0 [ 27.212141][ C2] set_track_prepare+0x31/0x70 [ 27.212284][ C2] ? get_partial_node.part.0+0x1c5/0x3a0 [ 27.212426][ C2] ___slab_alloc+0xe8b/0x10a0 [ 27.212564][ C2] ? kmem_cache_alloc+0x42/0x270 [ 27.212702][ C2] ? vm_area_alloc+0x20/0x1b0 [ 27.212842][ C2] ? __pfx___lock_release+0x10/0x10 [ 27.212988][ C2] ? vm_area_alloc+0x20/0x1b0 [ 27.213127][ C2] ? kmem_cache_alloc+0x243/0x270 [ 27.213266][ C2] kmem_cache_alloc+0x243/0x270 [ 27.213409][ C2] vm_area_alloc+0x20/0x1b0 [ 27.213549][ C2] mmap_region+0x2a6/0x2110 [ 27.213770][ C2] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10 [ 27.213949][ C2] ? __pfx_mmap_region+0x10/0x10 [ 27.214089][ C2] ? get_unmapped_area+0x209/0x310 [ 27.214230][ C2] do_mmap+0x622/0xc70 [ 27.214336][ C2] ? __lock_release+0x103/0x460 [ 27.214558][ C2] ? do_user_addr_fault+0x267/0xbe0 [ 27.214701][ C2] vm_mmap_pgoff+0x113/0x2f0 [ 27.214843][ C2] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 27.214984][ C2] ? do_user_addr_fault+0x267/0xbe0 [ 27.215206][ C2] do_syscall_64+0xc6/0x1e0 [ 27.215345][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 27.215517][ C2] RIP: 0033:0x7f99c5f68287 [ 27.215661][ C2] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0 [ 27.216245][ C2] RSP: 002b:00007ffc038887a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 27.216561][ C2] RAX: ffffffffffffffda RBX: 00000000000000f0 RCX: 00007f99c5f68287 [ 27.216768][ C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 0000000000000000 [ 27.216974][ C2] RBP: 0000000000002000 R08: 00000000ffffffff R09: 0000000000000000 [ 27.217263][ C2] R10: 0000000000000022 R11: 0000000000000246 R12: 00007ffc03889d57 [ 27.217466][ C2] R13: 0000000000000000 R14: 00007ffc038888a0 R15: 00007f99c5f77f80 [ 27.217673][ C2] [ 29.407452][ T314] fbond: left allmulticast mode [ 29.407616][ T314] veth1-bond: left allmulticast mode [ 29.407749][ T314] veth2-bond: left allmulticast mode [ 29.408488][ T314] fbond: left promiscuous mode [ 29.408666][ T314] veth1-bond: left promiscuous mode [ 29.409210][ T314] veth2-bond: left promiscuous mode [ 29.409594][ T314] fab-br0: port 1(fbond) entered disabled state [ 29.542334][ T315] fbond (unregistering): (slave veth1-bond): Removing an active aggregator [ 29.542913][ T315] fbond (unregistering): (slave veth1-bond): Releasing backup interface [ 29.561944][ T315] fbond (unregistering): (slave veth2-bond): Removing an active aggregator [ 29.562507][ T315] fbond (unregistering): (slave veth2-bond): Releasing backup interface [ 29.574699][ T315] fbond (unregistering): Released all slaves