[   16.897732][  T291] ip (291) used greatest stack depth: 24096 bytes left
[   17.118985][  T294] eth1: renamed from tmp
[   85.232463][  T548] eth1: renamed from tmp
[  153.724827][  T799] ip (799) used greatest stack depth: 23728 bytes left
[  153.915811][  T802] eth1: renamed from tmp
[  221.721895][ T1054] eth1: renamed from tmp
[  288.291900][ T1315] eth1: renamed from tmp
[  358.171500][ T1578] eth1: renamed from tmp
[  696.620512][ T2430] eth1: renamed from tmp
[  731.421990][ T2568] eth2: renamed from tmp
[  945.880915][ T3142] eth1: renamed from tmp
[ 1292.148743][ T4069] eth1: renamed from tmp
[ 1426.466773][ T4554] eth1: renamed from tmp
[ 1461.705662][ T4719] eth1: renamed from tmp
[ 1514.735651][ T4946] eth1: renamed from tmp
[ 1531.056477][ T5060] eth1: renamed from tmp
[ 1547.355623][ T5174] eth1: renamed from tmp
[ 1563.940334][ T5288] eth1: renamed from tmp
[ 1581.832588][ T5407] eth1: renamed from tmp
[ 1599.450563][ T5525] eth1: renamed from tmp
[ 1617.158770][ T5644] eth1: renamed from tmp
[ 1634.900818][ T5762] eth1: renamed from tmp
[ 1652.905075][ T5880] eth1: renamed from tmp
[ 1670.822720][ T5999] eth1: renamed from tmp
[ 1688.974723][ T6117] eth1: renamed from tmp
[ 1707.084384][ T6235] eth1: renamed from tmp
[ 1725.023242][ T6353] eth1: renamed from tmp
[ 1742.525480][ T6473] eth1: renamed from tmp
[ 1759.832516][ T6591] eth1: renamed from tmp
[ 1777.164186][ T6710] eth1: renamed from tmp
[ 1794.872418][ T6828] eth1: renamed from tmp
[ 1812.634433][ T6946] eth1: renamed from tmp
[ 1830.182771][ T7064] eth1: renamed from tmp
[ 1848.166975][ T7182] eth1: renamed from tmp
[ 1866.420439][ T7300] eth1: renamed from tmp
[ 1884.022609][ T7418] eth1: renamed from tmp
[ 1901.851571][ T7536] eth1: renamed from tmp
[ 1919.267967][ T7654] eth1: renamed from tmp
[ 1936.594158][ T7770] ip (7770) used greatest stack depth: 23488 bytes left
[ 1936.770658][ T7772] eth1: renamed from tmp
[ 1954.338430][ T7890] eth1: renamed from tmp
[ 1971.795758][ T8008] eth1: renamed from tmp
[ 1989.381055][ T8126] eth1: renamed from tmp
[ 2007.084846][ T8244] eth1: renamed from tmp
[ 2025.198125][ T8362] eth1: renamed from tmp
[ 2043.057774][ T8481] eth1: renamed from tmp
[ 2060.796691][ T8599] eth1: renamed from tmp
[ 2096.311482][ T8783] eth1: renamed from tmp
[ 2180.698030][ T9108] eth1: renamed from tmp
[ 2264.132985][ T9434] eth1: renamed from tmp
[ 2351.059449][ T9772] eth1: renamed from tmp
[ 2439.041611][T10111] eth1: renamed from tmp
[ 2721.971544][T10894] eth1: renamed from tmp
[ 2768.419962][T11077] eth2: renamed from tmp
[ 2979.979806][T11667] eth1: renamed from tmp
[ 3285.488555][T12705] eth1: renamed from tmp
[ 3440.022650][T13263] eth1: renamed from tmp
[ 3466.913539][T13406] eth1: renamed from tmp
[ 3504.451792][T13590] eth1: renamed from tmp
[ 3520.039826][T13704] eth1: renamed from tmp
[ 3533.625442][T13818] eth1: renamed from tmp
[ 3551.090331][T13936] eth1: renamed from tmp
[ 3568.436786][T14055] eth1: renamed from tmp
[ 3585.451500][T14173] eth1: renamed from tmp
[ 3602.370778][T14291] eth1: renamed from tmp
[ 3619.856327][T14410] eth1: renamed from tmp
[ 3636.982576][T14528] eth1: renamed from tmp
[ 3653.927627][T14645] eth1: renamed from tmp
[ 3671.452461][T14763] eth1: renamed from tmp
[ 3688.740597][T14881] eth1: renamed from tmp
[ 3705.689810][T14999] eth1: renamed from tmp
[ 3722.715497][T15118] eth1: renamed from tmp
[ 3740.023878][T15236] eth1: renamed from tmp
[ 3757.065254][T15355] eth1: renamed from tmp
[ 3774.132722][T15473] eth1: renamed from tmp
[ 3791.285743][T15592] eth1: renamed from tmp
[ 3808.457599][T15711] eth1: renamed from tmp
[ 3825.829659][T15829] eth1: renamed from tmp
[ 3842.664544][T15947] eth1: renamed from tmp
[ 3859.449420][T16065] eth1: renamed from tmp
[ 3876.119546][T16183] eth1: renamed from tmp
[ 3892.876724][T16301] eth1: renamed from tmp
[ 3909.664700][T16418] eth1: renamed from tmp
[ 3926.487834][T16535] eth1: renamed from tmp
[ 3943.257634][T16654] eth1: renamed from tmp
[ 3959.970917][T16772] eth1: renamed from tmp
[ 3976.662616][T16890] eth1: renamed from tmp
[ 3993.503996][T17008] eth1: renamed from tmp
[ 4010.292549][T17126] eth1: renamed from tmp
[ 4027.358584][T17244] eth1: renamed from tmp
[ 4044.388936][T17362] eth1: renamed from tmp
[ 4061.433892][T17480] eth1: renamed from tmp
[ 4078.227469][T17598] eth1: renamed from tmp
[ 4094.984467][T17716] eth1: renamed from tmp
[ 4111.845767][T17834] eth1: renamed from tmp
[ 4128.821576][T17952] eth1: renamed from tmp
[ 4145.887834][T18070] eth1: renamed from tmp
[ 4162.932277][T18187] eth1: renamed from tmp
[ 4179.645389][T18304] eth1: renamed from tmp
[ 4196.275425][T18422] eth1: renamed from tmp
[ 4212.987441][T18540] eth1: renamed from tmp
[ 4229.933605][T18658] eth1: renamed from tmp
[ 4246.938509][T18776] eth1: renamed from tmp
[ 4265.190135][T18894] eth1: renamed from tmp
[ 4282.813832][T19013] eth1: renamed from tmp
[ 4299.739385][T19131] eth1: renamed from tmp
[ 4334.688410][T19312] eth1: renamed from tmp
[ 4338.913062][T19359] br0: port 1(eth1) entered blocking state
[ 4338.913538][T19359] br0: port 1(eth1) entered disabled state
[ 4338.913775][T19359] eth1: entered allmulticast mode
[ 4338.916122][T19359] eth1: entered promiscuous mode
[ 4339.241582][T19363] br0: port 1(eth1) entered blocking state
[ 4339.242013][T19363] br0: port 1(eth1) entered forwarding state
[ 4339.394477][T19365] br0: port 1(eth1) entered disabled state
[ 4339.404599][T19365] br0: port 1(eth1) entered blocking state
[ 4339.404945][T19365] br0: port 1(eth1) entered forwarding state
[ 4350.453215][T19394] br0: port 1(eth1) entered disabled state
[ 4350.455369][T19394] br0: port 1(eth1) entered blocking state
[ 4350.455686][T19394] br0: port 1(eth1) entered forwarding state
[ 4358.764358][T19439] eth1: left allmulticast mode
[ 4358.764579][T19439] eth1: left promiscuous mode
[ 4358.764946][T19439] br0: port 1(eth1) entered disabled state
[ 4358.770381][T19439] 
[ 4358.770547][T19439] ============================================
[ 4358.770737][T19439] WARNING: possible recursive locking detected
[ 4358.770915][T19439] 6.13.0-rc5-virtme #1 Not tainted
[ 4358.771060][T19439] --------------------------------------------
[ 4358.771243][T19439] ip/19439 is trying to acquire lock:
[ 4358.771387][T19439] ffffffffb95f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 4358.771689][T19439] 
[ 4358.771689][T19439] but task is already holding lock:
[ 4358.771901][T19439] ffffffffb95f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 4358.772200][T19439] 
[ 4358.772200][T19439] other info that might help us debug this:
[ 4358.772410][T19439]  Possible unsafe locking scenario:
[ 4358.772410][T19439] 
[ 4358.772623][T19439]        CPU0
[ 4358.772733][T19439]        ----
[ 4358.772841][T19439]   lock((netdev_chain).rwsem);
[ 4358.772985][T19439]   lock((netdev_chain).rwsem);
[ 4358.773132][T19439] 
[ 4358.773132][T19439]  *** DEADLOCK ***
[ 4358.773132][T19439] 
[ 4358.773344][T19439]  May be due to missing lock nesting notation
[ 4358.773344][T19439] 
[ 4358.773556][T19439] 2 locks held by ip/19439:
[ 4358.773704][T19439]  #0: ffffffffb9607e88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x228/0xa40
[ 4358.773969][T19439]  #1: ffffffffb95f6a70 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x50/0x90
[ 4358.774269][T19439] 
[ 4358.774269][T19439] stack backtrace:
[ 4358.774454][T19439] CPU: 3 UID: 0 PID: 19439 Comm: ip Not tainted 6.13.0-rc5-virtme #1
[ 4358.774677][T19439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4358.774860][T19439] Call Trace:
[ 4358.774971][T19439]  <TASK>
[ 4358.775048][T19439]  dump_stack_lvl+0x82/0xd0
[ 4358.775199][T19439]  print_deadlock_bug+0x40a/0x650
[ 4358.775346][T19439]  validate_chain+0x5bf/0xae0
[ 4358.775496][T19439]  ? __pfx_validate_chain+0x10/0x10
[ 4358.775645][T19439]  ? hlock_class+0x4e/0x130
[ 4358.775787][T19439]  ? mark_lock+0x38/0x3e0
[ 4358.775899][T19439]  __lock_acquire+0xb9a/0x1680
[ 4358.776043][T19439]  ? spin_bug+0x191/0x1d0
[ 4358.776155][T19439]  ? debug_object_assert_init+0x2a9/0x370
[ 4358.776306][T19439]  lock_acquire.part.0+0xeb/0x330
[ 4358.776449][T19439]  ? blocking_notifier_call_chain+0x50/0x90
[ 4358.776631][T19439]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4358.776777][T19439]  ? trace_lock_acquire+0x14c/0x1f0
[ 4358.776928][T19439]  ? lock_acquire+0x32/0xc0
[ 4358.777071][T19439]  ? blocking_notifier_call_chain+0x50/0x90
[ 4358.777250][T19439]  down_read+0x9f/0x340
[ 4358.777362][T19439]  ? blocking_notifier_call_chain+0x50/0x90
[ 4358.777541][T19439]  ? __pfx_down_read+0x10/0x10
[ 4358.777686][T19439]  blocking_notifier_call_chain+0x50/0x90
[ 4358.777832][T19439]  __dev_close_many+0xdf/0x2d0
[ 4358.777980][T19439]  ? __pfx___dev_close_many+0x10/0x10
[ 4358.778133][T19439]  dev_close_many+0x202/0x650
[ 4358.778277][T19439]  ? __pfx_dev_close_many+0x10/0x10
[ 4358.778421][T19439]  ? ipv6_mc_down+0x1d8/0x3a0
[ 4358.778570][T19439]  vlan_device_event+0x143b/0x2130
[ 4358.778717][T19439]  ? __pfx_vlan_device_event+0x10/0x10
[ 4358.778862][T19439]  ? __pfx_br_device_event+0x10/0x10
[ 4358.779013][T19439]  ? packet_notifier+0x3b0/0x810
[ 4358.779160][T19439]  notifier_call_chain+0xcd/0x150
[ 4358.779306][T19439]  blocking_notifier_call_chain+0x66/0x90
[ 4358.779449][T19439]  dev_close_many+0x2d8/0x650
[ 4358.779594][T19439]  ? find_held_lock+0x2c/0x110
[ 4358.779737][T19439]  ? __pfx_dev_close_many+0x10/0x10
[ 4358.779881][T19439]  ? __lock_release+0x103/0x460
[ 4358.780032][T19439]  ? __pfx___lock_release+0x10/0x10
[ 4358.780176][T19439]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4358.780321][T19439]  unregister_netdevice_many_notify+0x8ed/0x1580
[ 4358.780501][T19439]  ? hlock_class+0x4e/0x130
[ 4358.780645][T19439]  ? mark_lock+0x38/0x3e0
[ 4358.780756][T19439]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 4358.780934][T19439]  ? __pfx_kernfs_free_rcu+0x10/0x10
[ 4358.781083][T19439]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 4358.781262][T19439]  ? mutex_is_locked+0x1c/0x60
[ 4358.781409][T19439]  ? rtnl_is_locked+0x15/0x20
[ 4358.781552][T19439]  ? unregister_netdevice_queue+0x70/0x410
[ 4358.781732][T19439]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 4358.781915][T19439]  ? br_dev_delete+0x10d/0x190
[ 4358.782062][T19439]  rtnl_dellink+0x348/0xa40
[ 4358.782212][T19439]  ? __pfx_rtnl_dellink+0x10/0x10
[ 4358.782371][T19439]  ? find_held_lock+0x2c/0x110
[ 4358.782514][T19439]  ? __lock_release+0x103/0x460
[ 4358.782657][T19439]  ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 4358.782802][T19439]  ? __pfx___lock_release+0x10/0x10
[ 4358.782946][T19439]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4358.783093][T19439]  ? rtnetlink_rcv_msg+0x6ef/0xc10
[ 4358.783242][T19439]  ? __pfx_rtnl_dellink+0x10/0x10
[ 4358.783388][T19439]  rtnetlink_rcv_msg+0x712/0xc10
[ 4358.783533][T19439]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 4358.783678][T19439]  ? hlock_class+0x4e/0x130
[ 4358.783821][T19439]  ? mark_lock+0x38/0x3e0
[ 4358.783932][T19439]  ? __lock_acquire+0xb9a/0x1680
[ 4358.784078][T19439]  netlink_rcv_skb+0x130/0x360
[ 4358.784226][T19439]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 4358.784376][T19439]  ? __pfx_netlink_rcv_skb+0x10/0x10
[ 4358.784523][T19439]  ? netlink_deliver_tap+0x13e/0x340
[ 4358.784668][T19439]  ? netlink_deliver_tap+0xc3/0x340
[ 4358.784816][T19439]  netlink_unicast+0x44b/0x710
[ 4358.784962][T19439]  ? __pfx_netlink_unicast+0x10/0x10
[ 4358.785107][T19439]  ? find_held_lock+0x2c/0x110
[ 4358.785250][T19439]  netlink_sendmsg+0x723/0xbe0
[ 4358.785399][T19439]  ? __pfx_netlink_sendmsg+0x10/0x10
[ 4358.785546][T19439]  ____sys_sendmsg+0x7ac/0xa10
[ 4358.785692][T19439]  ? __pfx_____sys_sendmsg+0x10/0x10
[ 4358.785836][T19439]  ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 4358.786021][T19439]  ___sys_sendmsg+0xee/0x170
[ 4358.786165][T19439]  ? __pfx____sys_sendmsg+0x10/0x10
[ 4358.786310][T19439]  ? kasan_save_stack+0x34/0x50
[ 4358.786459][T19439]  ? kasan_save_stack+0x24/0x50
[ 4358.786603][T19439]  ? __kasan_record_aux_stack+0x8e/0xa0
[ 4358.786748][T19439]  ? __call_rcu_common.constprop.0+0xa1/0x4b0
[ 4358.786927][T19439]  ? __x64_sys_close+0x7c/0xd0
[ 4358.787075][T19439]  ? do_syscall_64+0xc1/0x1d0
[ 4358.787222][T19439]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 4358.787400][T19439]  ? __lock_acquire+0xb9a/0x1680
[ 4358.787550][T19439]  ? find_held_lock+0x2c/0x110
[ 4358.787693][T19439]  ? __lock_release+0x103/0x460
[ 4358.787837][T19439]  ? __virt_addr_valid+0x22b/0x430
[ 4358.788078][T19439]  ? __pfx___lock_release+0x10/0x10
[ 4358.788223][T19439]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4358.788369][T19439]  __sys_sendmsg+0x109/0x1a0
[ 4358.788514][T19439]  ? __pfx___sys_sendmsg+0x10/0x10
[ 4358.788747][T19439]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[ 4358.788932][T19439]  do_syscall_64+0xc1/0x1d0
[ 4358.789075][T19439]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 4358.789337][T19439] RIP: 0033:0x7f64efd609a7
[ 4358.789486][T19439] 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
[ 4358.790084][T19439] RSP: 002b:00007fff65b279e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 4358.790301][T19439] RAX: ffffffffffffffda RBX: 00007fff65b28110 RCX: 00007f64efd609a7
[ 4358.790520][T19439] RDX: 0000000000000000 RSI: 00007fff65b27a50 RDI: 0000000000000005
[ 4358.790822][T19439] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 4358.791041][T19439] R10: 00007f64efc1eef8 R11: 0000000000000246 R12: 0000000000000001
[ 4358.791343][T19439] R13: 0000000067796110 R14: 0000000000498600 R15: 0000000000000000
[ 4358.791560][T19439]  </TASK>
[ 4358.892057][T19439] ip (19439) used greatest stack depth: 23152 bytes left
[ 4364.216303][T19517] eth1: renamed from tmp
[ 4364.485901][T19521] eth2: renamed from tmp
[ 4384.424192][T19664] eth1: renamed from tmp