======================================
| [ 1236.314768][   T11] br1: port 1(vx10) entered disabled state
| [ 1236.479998][   T11] ------------[ cut here ]------------
| [ 1236.480243][ T11] WARNING: CPU: 3 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1236.480561][   T11] Modules linked in: macvlan ip_gre gre sch_ets act_mirred cls_matchall sch_red dummy sch_tbf act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[ 1236.481583][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1236.481815][   T11] Workqueue: netns cleanup_net
[ 1236.482006][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.482205][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 36 a4 e8 ca 45 f6 fd e8 05 28 74 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 b3 da 71 fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 f7 36 a4 	mov    $0xffffffffa436f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 b3 da 71 fe       	call   0xfffffffffe71daee
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1236.482938][   T11] RSP: 0018:ffffc900000b74b8 EFLAGS: 00010287
[ 1236.483165][   T11] RAX: ffff8880088e95b0 RBX: ffff888001a82300 RCX: ffffffffa13c50a8
[ 1236.483411][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008fd1178
[ 1236.483658][   T11] RBP: dffffc0000000000 R08: ffff888008fd1130 R09: ffffed100121f394
[ 1236.483907][   T11] R10: ffff8880090f9ca3 R11: dffffc0000000000 R12: ffffc900000b7638
[ 1236.484163][   T11] R13: ffffc900000b76a8 R14: dffffc0000000000 R15: ffffc900000b76a8
[ 1236.484407][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 1236.484689][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1236.484898][   T11] CR2: 00007f444b173270 CR3: 0000000014126005 CR4: 0000000000772ef0
[ 1236.485158][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1236.485403][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1236.485650][   T11] PKRU: 55555554
[ 1236.485778][   T11] Call Trace:
[ 1236.485905][   T11]  <TASK>
[ 1236.485992][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.486178][ T11] ? __warn (kernel/panic.c:748)
[ 1236.486309][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.486473][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1236.486645][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1236.486774][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1236.486939][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1236.487123][ T11] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1236.487297][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.487470][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 1236.487690][ T11] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 1236.487945][ T11] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 1236.488182][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.488419][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.488607][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 1236.488841][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 1236.489085][ T11] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 1236.489290][ T11] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1236.489483][ T11] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1236.489712][ T11] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 1236.489941][ T11] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 1236.490165][ T11] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1236.490338][ T11] ? mirred_device_event (./include/linux/spinlock.h:392 net/sched/act_mirred.c:533) act_mirred
[ 1236.490549][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1236.490718][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1236.490937][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.491155][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1236.491326][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.491495][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1236.491664][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1236.491901][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1236.492144][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.492352][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.492523][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.492732][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1236.492952][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1236.493161][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1236.493343][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1236.493519][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1236.493750][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.494114][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.494319][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.494488][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.494753][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.494918][ T11] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1236.495253][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 1236.495430][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1236.495701][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1236.495884][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1236.496057][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1236.496231][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 1236.496410][ T11] process_one_work (kernel/workqueue.c:3229)
[ 1236.496670][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1236.496834][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1236.497010][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 1236.497192][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1236.497369][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1236.497535][ T11] kthread (kernel/kthread.c:389)
[ 1236.497749][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.497915][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1236.498101][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.498271][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1236.512402][   T11] ------------[ cut here ]------------
| [ 1236.512614][ T11] WARNING: CPU: 3 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1236.512949][   T11] Modules linked in: macvlan ip_gre gre sch_ets act_mirred cls_matchall sch_red dummy sch_tbf act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1236.514285][   T11] Tainted: [W]=WARN
[ 1236.514416][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1236.514618][   T11] Workqueue: netns cleanup_net
[ 1236.514816][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.515008][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 36 a4 e8 ca 45 f6 fd e8 05 28 74 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 b3 da 71 fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 f7 36 a4 	mov    $0xffffffffa436f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 b3 da 71 fe       	call   0xfffffffffe71daee
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1236.515633][   T11] RSP: 0018:ffffc900000b74b8 EFLAGS: 00010287
[ 1236.515856][   T11] RAX: ffff8880088e95b0 RBX: ffff888001a82300 RCX: ffffffffa3aeb8aa
[ 1236.516132][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008fd1178
[ 1236.516397][   T11] RBP: ffff888008fd11b8 R08: 0000000000000001 R09: fffff52000016e71
[ 1236.516665][   T11] R10: ffffc900000b738f R11: ffff888001a82300 R12: ffffc900000b7638
[ 1236.516928][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7568
[ 1236.517203][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 1236.517519][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1236.517740][   T11] CR2: 00007f444b173270 CR3: 000000000bcec006 CR4: 0000000000772ef0
[ 1236.518043][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1236.518313][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1236.518581][   T11] PKRU: 55555554
[ 1236.518716][   T11] Call Trace:
[ 1236.518852][   T11]  <TASK>
[ 1236.518944][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.519128][ T11] ? __warn (kernel/panic.c:748)
[ 1236.519380][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.519562][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1236.519751][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1236.519894][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1236.520090][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1236.520278][ T11] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 1236.520461][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.520645][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1236.520872][ T11] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 1236.521126][ T11] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 1236.521384][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.521620][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.521805][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 1236.522046][ T11] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1236.522243][ T11] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 1236.522469][ T11] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 1236.522700][ T11] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 1236.522932][ T11] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1236.523121][ T11] ? mirred_device_event (./include/linux/spinlock.h:392 net/sched/act_mirred.c:533) act_mirred
[ 1236.523347][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1236.523542][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1236.523774][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.524028][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1236.524222][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.524413][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1236.524598][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1236.524832][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1236.525076][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.525308][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.525483][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.525703][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1236.525939][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1236.526128][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1236.526314][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1236.526500][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1236.526725][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.526907][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.527134][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.527319][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.527507][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.527683][ T11] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1236.527906][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 1236.528092][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1236.528271][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1236.528458][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1236.528645][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1236.528838][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 1236.529021][ T11] process_one_work (kernel/workqueue.c:3229)
[ 1236.529279][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1236.529459][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1236.529646][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 1236.529836][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1236.530029][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1236.530218][ T11] kthread (kernel/kthread.c:389)
[ 1236.530357][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.530534][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1236.530714][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.530893][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1236.546453][   T11] ------------[ cut here ]------------
| [ 1236.546670][ T11] WARNING: CPU: 3 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1236.546979][   T11] Modules linked in: macvlan ip_gre gre sch_ets act_mirred cls_matchall sch_red dummy sch_tbf act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1236.547988][   T11] Tainted: [W]=WARN
[ 1236.548136][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1236.548350][   T11] Workqueue: netns cleanup_net
[ 1236.548529][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.548733][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 36 a4 e8 ca 45 f6 fd e8 05 28 74 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 b3 da 71 fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 f7 36 a4 	mov    $0xffffffffa436f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 b3 da 71 fe       	call   0xfffffffffe71daee
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1236.549376][   T11] RSP: 0018:ffffc900000b7758 EFLAGS: 00010287
[ 1236.549593][   T11] RAX: ffff8880088e95b0 RBX: ffff888001a82300 RCX: ffffffffa3aeb8aa
[ 1236.549853][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008f7c178
[ 1236.550118][   T11] RBP: ffff888008f7c1b8 R08: 0000000000000001 R09: fffff52000016ec5
[ 1236.550400][   T11] R10: ffffc900000b762f R11: ffff888001a82300 R12: ffffc900000b78d8
[ 1236.550656][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7808
[ 1236.550923][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 1236.551240][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1236.551453][   T11] CR2: 00007f444b173270 CR3: 000000000bcec006 CR4: 0000000000772ef0
[ 1236.551717][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1236.551970][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1236.552246][   T11] PKRU: 55555554
[ 1236.552381][   T11] Call Trace:
[ 1236.552510][   T11]  <TASK>
[ 1236.552599][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.552788][ T11] ? __warn (kernel/panic.c:748)
[ 1236.552921][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.553107][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1236.553284][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1236.553426][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1236.553609][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1236.553789][ T11] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 1236.553977][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.554162][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1236.554388][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.554601][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1236.554787][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.554987][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 1236.555167][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1236.555403][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 1236.555624][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.555861][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.556032][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 1236.556259][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 1236.556504][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 1236.556682][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 1236.556881][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 1236.557082][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 1236.557294][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.557473][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.557708][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.557877][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.558059][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.558255][ T11] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1236.558500][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 1236.558674][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1236.558862][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1236.559031][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1236.559224][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1236.559397][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 1236.559580][ T11] process_one_work (kernel/workqueue.c:3229)
[ 1236.559759][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1236.559931][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1236.560126][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 1236.560333][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1236.560517][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1236.560688][ T11] kthread (kernel/kthread.c:389)
[ 1236.560823][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.560996][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1236.561198][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.561371][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 1236.574607][   T11] ------------[ cut here ]------------
| [ 1236.574805][ T11] WARNING: CPU: 3 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [ 1236.575099][   T11] Modules linked in: macvlan ip_gre gre sch_ets act_mirred cls_matchall sch_red dummy sch_tbf act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1236.576022][   T11] Tainted: [W]=WARN
[ 1236.576169][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1236.576355][   T11] Workqueue: netns cleanup_net
[ 1236.576511][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.576661][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 36 a4 e8 ca 45 f6 fd e8 05 28 74 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 b3 da 71 fe 48 8b 34 24 eb
All code
========
   0:	ff 31                	push   (%rcx)
   2:	d2 be 8f 00 00 00    	sarb   %cl,0x8f(%rsi)
   8:	48 c7 c7 80 f7 36 a4 	mov    $0xffffffffa436f780,%rdi
   f:	e8 ca 45 f6 fd       	call   0xfffffffffdf645de
  14:	e8 05 28 74 00       	call   0x74281e
  19:	48 85 db             	test   %rbx,%rbx
  1c:	75 c4                	jne    0xffffffffffffffe2
  1e:	48 83 c4 08          	add    $0x8,%rsp
  22:	5b                   	pop    %rbx
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 8e                	jmp    0xffffffffffffffbd
  2f:	48 89 f7             	mov    %rsi,%rdi
  32:	48 89 34 24          	mov    %rsi,(%rsp)
  36:	e8 b3 da 71 fe       	call   0xfffffffffe71daee
  3b:	48 8b 34 24          	mov    (%rsp),%rsi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 8e                	jmp    0xffffffffffffff93
   5:	48 89 f7             	mov    %rsi,%rdi
   8:	48 89 34 24          	mov    %rsi,(%rsp)
   c:	e8 b3 da 71 fe       	call   0xfffffffffe71dac4
  11:	48 8b 34 24          	mov    (%rsp),%rsi
  15:	eb                   	.byte 0xeb
[ 1236.577189][   T11] RSP: 0018:ffffc900000b7a60 EFLAGS: 00010287
[ 1236.577377][   T11] RAX: ffff8880088e95b0 RBX: ffff888001a82300 RCX: ffffffffa3aeb8aa
[ 1236.577592][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880094b2178
[ 1236.577804][   T11] RBP: ffff8880094b21b8 R08: 0000000000000001 R09: fffff52000016f26
[ 1236.578023][   T11] R10: ffffc900000b7937 R11: ffff888001a82300 R12: ffffc900000b7be0
[ 1236.578265][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7b10
[ 1236.578484][   T11] FS:  0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000
[ 1236.578750][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1236.578937][   T11] CR2: 00007f444b173270 CR3: 000000000bcec006 CR4: 0000000000772ef0
[ 1236.579211][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1236.579428][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1236.579673][   T11] PKRU: 55555554
[ 1236.579785][   T11] Call Trace:
[ 1236.579908][   T11]  <TASK>
[ 1236.579984][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.580161][ T11] ? __warn (kernel/panic.c:748)
[ 1236.580297][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.580445][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 1236.580597][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 1236.580711][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 1236.580860][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 1236.581020][ T11] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913)
[ 1236.581186][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 1236.581341][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 1236.581528][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 1236.581681][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 1236.581864][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.582010][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 1236.582178][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66)
[ 1236.582345][ T11] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010)
[ 1236.582550][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 1236.582717][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 1236.582878][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 1236.583036][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 1236.583209][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 1236.583369][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 1236.583541][ T11] process_one_work (kernel/workqueue.c:3229)
[ 1236.583711][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 1236.583868][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 1236.584036][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 1236.584228][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 1236.584403][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 1236.584562][ T11] kthread (kernel/kthread.c:389)
[ 1236.584692][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 1236.584857][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 1236.585019][ T11] ? __pfx_kthread (kernel/kthread.c:342)


Finger prints:
__rtnl_unlock:unregister_netdevice_many_notify:cleanup_net:process_one_work:worker_thread
__rtnl_unlock:unregister_netdevice_many_notify:macvlan_device_event:notifier_call_chain:unregister_netdevice_many_notify
__rtnl_unlock:unregister_netdevice_many_notify:vlan_device_event:notifier_call_chain:unregister_netdevice_many_notify