======================================
| [  178.764985][   T11] br1: port 1(vx10) entered disabled state
| [  178.918811][   T11] ------------[ cut here ]------------
| [ 178.919222][ T11] WARNING: CPU: 0 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  178.919527][   T11] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre bridge stp llc xfrm_user act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[  178.920439][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.920648][   T11] Workqueue: netns cleanup_net
[ 178.920825][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.920994][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 f6 a5 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 f6 a5 	mov    $0xffffffffa5f6f780,%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
[  178.921670][   T11] RSP: 0000:ffffc900000b74b8 EFLAGS: 00010287
[  178.921883][   T11] RAX: ffff8880050115b0 RBX: ffff888001a82300 RCX: ffffffffa2fc50a8
[  178.922129][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008bdc178
[  178.922444][   T11] RBP: dffffc0000000000 R08: ffff888008bdc130 R09: ffffed1001d0a06c
[  178.922692][   T11] R10: ffff88800e850363 R11: dffffc0000000000 R12: ffffc900000b7638
[  178.922940][   T11] R13: ffffc900000b76a8 R14: dffffc0000000000 R15: ffffc900000b76a8
[  178.923184][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  178.923545][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  178.923759][   T11] CR2: 00007fa1710c8178 CR3: 000000001e926005 CR4: 0000000000772ef0
[  178.924006][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  178.924253][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  178.924569][   T11] PKRU: 55555554
[  178.924699][   T11] Call Trace:
[  178.924831][   T11]  <TASK>
[ 178.924925][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.925107][ T11] ? __warn (kernel/panic.c:748)
[ 178.925252][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.925506][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 178.925703][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 178.925842][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 178.926022][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 178.926220][ 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)
[ 178.926475][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.926654][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[ 178.926881][ T11] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 178.927106][ T11] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 178.927328][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.927632][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.927815][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 178.928040][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520)
[ 178.928268][ T11] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 178.928522][ T11] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 178.928759][ T11] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 178.928982][ T11] ? br_device_event (./include/linux/netdevice.h:5263 net/bridge/br_private.h:458 net/bridge/br.c:62) bridge
[ 178.929216][ T11] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 178.929515][ T11] ? cycle_netdev (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/netdevice.h:3764 drivers/net/vrf.c:1049) vrf
[ 178.929705][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 178.929896][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 178.930125][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.930432][ 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)
[ 178.930626][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.930811][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 178.930992][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 178.931219][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 178.931535][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.931760][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.931934][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.932167][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 178.932469][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 178.932648][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 178.932840][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 178.933030][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 178.933663][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.933848][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.934075][ 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)
[ 178.934257][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.934515][ 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)
[ 178.934696][ 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)
[ 178.934920][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 178.935096][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 178.935274][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 178.935532][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 178.935715][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 178.935899][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 178.936081][ T11] process_one_work (kernel/workqueue.c:3229)
[ 178.936276][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 178.936525][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 178.936715][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 178.936905][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 178.937096][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 178.937515][ T11] kthread (kernel/kthread.c:389)
[ 178.937652][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.937831][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 178.938098][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.938288][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  178.962451][   T11] ------------[ cut here ]------------
| [ 178.962671][ T11] WARNING: CPU: 0 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  178.962958][   T11] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre bridge stp llc xfrm_user act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [  178.963877][   T11] Tainted: [W]=WARN
[  178.964006][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.964206][   T11] Workqueue: netns cleanup_net
[ 178.964388][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.964557][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 f6 a5 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 f6 a5 	mov    $0xffffffffa5f6f780,%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
[  178.965119][   T11] RSP: 0018:ffffc900000b74b8 EFLAGS: 00010287
[  178.965323][   T11] RAX: ffff8880050115b0 RBX: ffff888001a82300 RCX: ffffffffa56eb8aa
[  178.965577][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888008bdc178
[  178.965821][   T11] RBP: ffff888008bdc1b8 R08: 0000000000000001 R09: fffff52000016e71
[  178.966060][   T11] R10: ffffc900000b738f R11: ffff888001a82300 R12: ffffc900000b7638
[  178.966299][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7568
[  178.966546][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  178.966857][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  178.967075][   T11] CR2: 00007fb71d822840 CR3: 0000000004f56001 CR4: 0000000000772ef0
[  178.967317][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  178.967578][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  178.967825][   T11] PKRU: 55555554
[  178.967949][   T11] Call Trace:
[  178.968071][   T11]  <TASK>
[ 178.968155][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.968316][ T11] ? __warn (kernel/panic.c:748)
[ 178.968456][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.968624][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 178.968794][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 178.968918][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 178.969087][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 178.969259][ 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)
[ 178.969436][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.969604][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 178.969809][ T11] ? __netdev_upper_dev_unlink (net/core/dev.c:8180 (discriminator 11))
[ 178.970012][ T11] ? __pfx___netdev_upper_dev_unlink (net/core/dev.c:8180)
[ 178.970211][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.970428][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.970598][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521)
[ 178.970807][ T11] ? netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 178.970968][ T11] ? __pfx_netdev_upper_dev_unlink (net/core/dev.c:8219)
[ 178.971173][ T11] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[ 178.971399][ T11] ? br_device_event (./include/linux/netdevice.h:5263 net/bridge/br_private.h:458 net/bridge/br.c:62) bridge
[ 178.971636][ T11] ? __pfx_macvlan_device_event (drivers/net/macvlan.c:1779) macvlan
[ 178.971858][ T11] ? cycle_netdev (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/netdevice.h:3764 drivers/net/vrf.c:1049) vrf
[ 178.972043][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 178.972229][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 178.972463][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.972685][ 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)
[ 178.972867][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.973039][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 178.973201][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 178.973419][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 178.973632][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.973831][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.973992][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.974197][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 178.974413][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 178.974581][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 178.974763][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 178.974931][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 178.975132][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.975298][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.975526][ 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)
[ 178.975693][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.975866][ 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)
[ 178.976027][ 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)
[ 178.976233][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 178.976406][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 178.976573][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 178.976734][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 178.976915][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 178.977076][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 178.977243][ T11] process_one_work (kernel/workqueue.c:3229)
[ 178.977420][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 178.977588][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 178.977761][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 178.977928][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 178.978107][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 178.978269][ T11] kthread (kernel/kthread.c:389)
[ 178.978407][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.978576][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 178.978744][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.978906][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  178.981786][   T11] ------------[ cut here ]------------
| [ 178.981961][ T11] WARNING: CPU: 0 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  178.982227][   T11] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre bridge stp llc xfrm_user act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [  178.983127][   T11] Tainted: [W]=WARN
[  178.983243][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.983442][   T11] Workqueue: netns cleanup_net
[ 178.983608][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.983774][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 f6 a5 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 f6 a5 	mov    $0xffffffffa5f6f780,%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
[  178.984294][   T11] RSP: 0018:ffffc900000b7758 EFLAGS: 00010287
[  178.984496][   T11] RAX: ffff888008bdc5b0 RBX: ffff888001a82300 RCX: ffffffffa56eb8aa
[  178.984732][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888004e31178
[  178.984958][   T11] RBP: ffff888004e311b8 R08: 0000000000000001 R09: fffff52000016ec5
[  178.985185][   T11] R10: ffffc900000b762f R11: ffff888001a82300 R12: ffffc900000b78d8
[  178.985438][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7808
[  178.985669][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  178.985940][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  178.986131][   T11] CR2: 00007fb71d822840 CR3: 0000000004f56001 CR4: 0000000000772ef0
[  178.986367][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  178.986599][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  178.986831][   T11] PKRU: 55555554
[  178.986947][   T11] Call Trace:
[  178.987070][   T11]  <TASK>
[ 178.987150][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.987302][ T11] ? __warn (kernel/panic.c:748)
[ 178.987435][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.987594][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 178.987757][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 178.987877][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 178.988039][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 178.988203][ 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)
[ 178.988371][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 178.988530][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 178.988749][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.988946][ 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)
[ 178.989110][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.989271][ T11] ? __pfx_vlan_info_rcu_free (net/8021q/vlan_core.c:145)
[ 178.989448][ T11] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 178.989650][ T11] vlan_device_event (net/8021q/vlan.c:528) 8021q
[ 178.989849][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.990039][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.990188][ T11] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:242 (discriminator 11))
[ 178.990393][ T11] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 178.990590][ T11] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[ 178.990750][ T11] ? packet_notifier (net/packet/af_packet.c:4282)
[ 178.990910][ T11] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 178.991074][ T11] unregister_netdevice_many_notify (net/core/dev.c:11597)
[ 178.991269][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 178.991437][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 178.991648][ 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)
[ 178.991800][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 178.991964][ 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)
[ 178.992119][ 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)
[ 178.992316][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 178.992481][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 178.992646][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 178.992815][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 178.992996][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 178.993167][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 178.993353][ T11] process_one_work (kernel/workqueue.c:3229)
[ 178.993535][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 178.993702][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 178.993873][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 178.994056][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 178.994245][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 178.994441][ T11] kthread (kernel/kthread.c:389)
[ 178.994573][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.994746][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 178.994917][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 178.995087][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  179.030131][   T11] ------------[ cut here ]------------
| [ 179.030429][ T11] WARNING: CPU: 0 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  179.030715][   T11] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre bridge stp llc xfrm_user act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [  179.031645][   T11] Tainted: [W]=WARN
[  179.031769][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.031970][   T11] Workqueue: netns cleanup_net
[ 179.032146][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 179.032325][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 f7 f6 a5 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 f6 a5 	mov    $0xffffffffa5f6f780,%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
[  179.032935][   T11] RSP: 0018:ffffc900000b7a60 EFLAGS: 00010287
[  179.033138][   T11] RAX: ffff888008bdc5b0 RBX: ffff888001a82300 RCX: ffffffffa56eb8aa
[  179.033387][   T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800a1e2178
[  179.033626][   T11] RBP: ffff88800a1e21b8 R08: 0000000000000001 R09: fffff52000016f26
[  179.033862][   T11] R10: ffffc900000b7937 R11: ffff888001a82300 R12: ffffc900000b7be0
[  179.034100][   T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7b10
[  179.034340][   T11] FS:  0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[  179.034971][   T11] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  179.035172][   T11] CR2: 00007fb71d822840 CR3: 0000000004f56001 CR4: 0000000000772ef0
[  179.035434][   T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  179.035674][   T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  179.035918][   T11] PKRU: 55555554
[  179.036042][   T11] Call Trace:
[  179.036164][   T11]  <TASK>
[ 179.036248][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 179.036463][ T11] ? __warn (kernel/panic.c:748)
[ 179.036594][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 179.036754][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 179.036920][ T11] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 179.037059][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 179.037218][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 179.037399][ 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)
[ 179.037564][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 179.037725][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638)
[ 179.037930][ T11] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 179.038100][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536)
[ 179.038303][ 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)
[ 179.038475][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163)
[ 179.038649][ 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)
[ 179.038808][ 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)
[ 179.039011][ T11] cleanup_net (net/core/net_namespace.c:648)
[ 179.039173][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 179.039333][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594)
[ 179.039520][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 179.039696][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 179.039853][ T11] ? process_one_work (kernel/workqueue.c:3205)
[ 179.040021][ T11] process_one_work (kernel/workqueue.c:3229)
[ 179.040190][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 179.040367][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131)
[ 179.040538][ T11] ? assign_work (kernel/workqueue.c:1200)
[ 179.040705][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[ 179.040882][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[ 179.041041][ T11] kthread (kernel/kthread.c:389)
[ 179.041165][ T11] ? __pfx_kthread (kernel/kthread.c:342)
[ 179.041327][ T11] ret_from_fork (arch/x86/kernel/process.c:147)
[ 179.041498][ 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