======================================
| [  658.489418] br1: port 1(vx10) entered disabled state
| [  658.497952] ------------[ cut here ]------------
| [  658.498006] WARNING: CPU: 1 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  658.498068] Modules linked in: macvlan dummy act_mirred ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
[  658.498285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.498327] Workqueue: netns cleanup_net
[  658.498358] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 658.498396] Code: 1f 00 48 85 db 74 1c 48 89 de 31 ff 48 8b 1b ba 02 00 00 00 e8 62 27 fc ff e8 bd b9 1f 00 48 85 db 75 e4 5b c3 cc cc cc cc 90 <0f> 0b 90 eb c7 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
All code
========
   0:	1f                   	(bad)
   1:	00 48 85             	add    %cl,-0x7b(%rax)
   4:	db 74 1c 48          	(bad)  0x48(%rsp,%rbx,1)
   8:	89 de                	mov    %ebx,%esi
   a:	31 ff                	xor    %edi,%edi
   c:	48 8b 1b             	mov    (%rbx),%rbx
   f:	ba 02 00 00 00       	mov    $0x2,%edx
  14:	e8 62 27 fc ff       	call   0xfffffffffffc277b
  19:	e8 bd b9 1f 00       	call   0x1fb9db
  1e:	48 85 db             	test   %rbx,%rbx
  21:	75 e4                	jne    0x7
  23:	5b                   	pop    %rbx
  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 c7                	jmp    0xfffffffffffffff6
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb c7                	jmp    0xffffffffffffffcc
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  658.498518] RSP: 0018:ffffa6dd0005fb40 EFLAGS: 00010283
[  658.498557] RAX: ffff993f42ec14f8 RBX: 0000000000000000 RCX: 0000000000000001
[  658.498606] RDX: ffff993f4ac08000 RSI: 0000000000000000 RDI: dead000000000122
[  658.498656] RBP: ffffa6dd0005fa70 R08: ffff993f4150bb40 R09: 0000000000000001
[  658.498711] R10: ffff993f7ec9cf58 R11: 0000fd010000fd01 R12: ffff993f42ec4000
[  658.498761] R13: ffffa6dd0005fc88 R14: 00000000ffffffe4 R15: 0000000000000000
[  658.498814] FS:  0000000000000000(0000) GS:ffff993f7ec80000(0000) knlGS:0000000000000000
[  658.498870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  658.498916] CR2: 00005619169b2678 CR3: 000000003b642005 CR4: 0000000000772ef0
[  658.498968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  658.499022] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  658.499072] PKRU: 55555554
[  658.499092] Call Trace:
[  658.499112]  <TASK>
[  658.499134] ? __warn (kernel/panic.c:748)
[  658.499165] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.499196] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  658.499228] ? handle_bug (arch/x86/kernel/traps.c:285)
[  658.499258] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  658.499283] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  658.499315] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.499345] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[  658.499381] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[  658.499423] notifier_call_chain (kernel/notifier.c:85)
[  658.499456] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  658.499490] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  658.499520] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  658.499560] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  658.499600] notifier_call_chain (kernel/notifier.c:85)
[  658.499631] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  658.499665] cleanup_net (net/core/net_namespace.c:648)
[  658.499696] process_one_work (kernel/workqueue.c:3229)
[  658.499726] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  658.499751] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  658.499784] kthread (kernel/kthread.c:389)
[  658.499816] ? __pfx_kthread (kernel/kthread.c:342)
[  658.499846] ret_from_fork (arch/x86/kernel/process.c:147)
[  658.499878] ? __pfx_kthread (kernel/kthread.c:342)
[  658.499908] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  658.500289] ------------[ cut here ]------------
| [  658.500332] WARNING: CPU: 1 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  658.500390] Modules linked in: macvlan dummy act_mirred ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  658.500599] Tainted: [W]=WARN
[  658.500623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.500665] Workqueue: netns cleanup_net
[  658.500696] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 658.500736] Code: 1f 00 48 85 db 74 1c 48 89 de 31 ff 48 8b 1b ba 02 00 00 00 e8 62 27 fc ff e8 bd b9 1f 00 48 85 db 75 e4 5b c3 cc cc cc cc 90 <0f> 0b 90 eb c7 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
All code
========
   0:	1f                   	(bad)
   1:	00 48 85             	add    %cl,-0x7b(%rax)
   4:	db 74 1c 48          	(bad)  0x48(%rsp,%rbx,1)
   8:	89 de                	mov    %ebx,%esi
   a:	31 ff                	xor    %edi,%edi
   c:	48 8b 1b             	mov    (%rbx),%rbx
   f:	ba 02 00 00 00       	mov    $0x2,%edx
  14:	e8 62 27 fc ff       	call   0xfffffffffffc277b
  19:	e8 bd b9 1f 00       	call   0x1fb9db
  1e:	48 85 db             	test   %rbx,%rbx
  21:	75 e4                	jne    0x7
  23:	5b                   	pop    %rbx
  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 c7                	jmp    0xfffffffffffffff6
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb c7                	jmp    0xffffffffffffffcc
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  658.500853] RSP: 0018:ffffa6dd0005fb40 EFLAGS: 00010283
[  658.500892] RAX: ffff993f42ec14f8 RBX: 0000000000000000 RCX: ffff993f48b90548
[  658.500943] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff993f4560c000
[  658.500993] RBP: ffffa6dd0005fa70 R08: ffff993f484dcdd0 R09: ffff993f4118da10
[  658.501043] R10: ffffa6dd0005fa70 R11: ffffa6dd0005fa78 R12: dead000000000122
[  658.501100] R13: dead000000000100 R14: ffff993f431faa00 R15: 0000000000000000
[  658.501157] FS:  0000000000000000(0000) GS:ffff993f7ec80000(0000) knlGS:0000000000000000
[  658.501212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  658.501259] CR2: 00005619169b2678 CR3: 000000003b642005 CR4: 0000000000772ef0
[  658.501310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  658.501365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  658.501416] PKRU: 55555554
[  658.501432] Call Trace:
[  658.501449]  <TASK>
[  658.501466] ? __warn (kernel/panic.c:748)
[  658.501496] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.501528] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  658.501559] ? handle_bug (arch/x86/kernel/traps.c:285)
[  658.501590] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  658.501620] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  658.501652] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.501682] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  658.501718] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[  658.501756] notifier_call_chain (kernel/notifier.c:85)
[  658.501786] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  658.501819] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  658.501849] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  658.501889] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  658.501929] notifier_call_chain (kernel/notifier.c:85)
[  658.501958] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  658.501993] cleanup_net (net/core/net_namespace.c:648)
[  658.502023] process_one_work (kernel/workqueue.c:3229)
[  658.502048] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  658.502086] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  658.502127] kthread (kernel/kthread.c:389)
[  658.502157] ? __pfx_kthread (kernel/kthread.c:342)
[  658.502182] ret_from_fork (arch/x86/kernel/process.c:147)
[  658.502214] ? __pfx_kthread (kernel/kthread.c:342)
[  658.502244] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  658.502491] ------------[ cut here ]------------
| [  658.502531] WARNING: CPU: 1 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  658.502618] Modules linked in: macvlan dummy act_mirred ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  658.502824] Tainted: [W]=WARN
[  658.502849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.502891] Workqueue: netns cleanup_net
[  658.502921] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 658.502960] Code: 1f 00 48 85 db 74 1c 48 89 de 31 ff 48 8b 1b ba 02 00 00 00 e8 62 27 fc ff e8 bd b9 1f 00 48 85 db 75 e4 5b c3 cc cc cc cc 90 <0f> 0b 90 eb c7 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
All code
========
   0:	1f                   	(bad)
   1:	00 48 85             	add    %cl,-0x7b(%rax)
   4:	db 74 1c 48          	(bad)  0x48(%rsp,%rbx,1)
   8:	89 de                	mov    %ebx,%esi
   a:	31 ff                	xor    %edi,%edi
   c:	48 8b 1b             	mov    (%rbx),%rbx
   f:	ba 02 00 00 00       	mov    $0x2,%edx
  14:	e8 62 27 fc ff       	call   0xfffffffffffc277b
  19:	e8 bd b9 1f 00       	call   0x1fb9db
  1e:	48 85 db             	test   %rbx,%rbx
  21:	75 e4                	jne    0x7
  23:	5b                   	pop    %rbx
  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 c7                	jmp    0xfffffffffffffff6
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb c7                	jmp    0xffffffffffffffcc
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  658.503076] RSP: 0018:ffffa6dd0005fc48 EFLAGS: 00010283
[  658.503121] RAX: ffff993f42ec14f8 RBX: 0000000000000000 RCX: ffff993f411f8120
[  658.503171] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff993f48b90000
[  658.503220] RBP: ffffa6dd0005fb78 R08: ffff993f48479990 R09: ffff993f4118da10
[  658.503270] R10: ffffa6dd0005fb78 R11: ffffa6dd0005fb80 R12: dead000000000122
[  658.503320] R13: dead000000000100 R14: ffff993f431faa00 R15: 0000000000000000
[  658.503372] FS:  0000000000000000(0000) GS:ffff993f7ec80000(0000) knlGS:0000000000000000
[  658.503427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  658.503474] CR2: 00005619169b2678 CR3: 000000003b642005 CR4: 0000000000772ef0
[  658.503525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  658.503579] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  658.503629] PKRU: 55555554
[  658.503646] Call Trace:
[  658.503663]  <TASK>
[  658.503679] ? __warn (kernel/panic.c:748)
[  658.503711] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.503739] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  658.503769] ? handle_bug (arch/x86/kernel/traps.c:285)
[  658.503800] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  658.503830] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  658.503863] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.503893] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  658.503927] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  658.503957] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  658.503996] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  658.504035] notifier_call_chain (kernel/notifier.c:85)
[  658.504065] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  658.504105] cleanup_net (net/core/net_namespace.c:648)
[  658.504135] process_one_work (kernel/workqueue.c:3229)
[  658.504159] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  658.504184] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  658.504218] kthread (kernel/kthread.c:389)
[  658.504248] ? __pfx_kthread (kernel/kthread.c:342)
[  658.504273] ret_from_fork (arch/x86/kernel/process.c:147)
[  658.504305] ? __pfx_kthread (kernel/kthread.c:342)
[  658.504329] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  658.517218] ------------[ cut here ]------------
| [  658.517307] WARNING: CPU: 1 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  658.517395] Modules linked in: macvlan dummy act_mirred ip6_gre ip6_tunnel tunnel6 cls_matchall ip_gre gre vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth
| [  658.517699] Tainted: [W]=WARN
[  658.517734] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.517796] Workqueue: netns cleanup_net
[  658.517838] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 658.517895] Code: 1f 00 48 85 db 74 1c 48 89 de 31 ff 48 8b 1b ba 02 00 00 00 e8 62 27 fc ff e8 bd b9 1f 00 48 85 db 75 e4 5b c3 cc cc cc cc 90 <0f> 0b 90 eb c7 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
All code
========
   0:	1f                   	(bad)
   1:	00 48 85             	add    %cl,-0x7b(%rax)
   4:	db 74 1c 48          	(bad)  0x48(%rsp,%rbx,1)
   8:	89 de                	mov    %ebx,%esi
   a:	31 ff                	xor    %edi,%edi
   c:	48 8b 1b             	mov    (%rbx),%rbx
   f:	ba 02 00 00 00       	mov    $0x2,%edx
  14:	e8 62 27 fc ff       	call   0xfffffffffffc277b
  19:	e8 bd b9 1f 00       	call   0x1fb9db
  1e:	48 85 db             	test   %rbx,%rbx
  21:	75 e4                	jne    0x7
  23:	5b                   	pop    %rbx
  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 c7                	jmp    0xfffffffffffffff6
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb c7                	jmp    0xffffffffffffffcc
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[  658.518075] RSP: 0018:ffffa6dd0005fd78 EFLAGS: 00010283
[  658.518143] RAX: ffff993f42ec14f8 RBX: 0000000000000000 RCX: ffff993f47dc3548
[  658.518216] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff993f47dc1000
[  658.518293] RBP: ffffa6dd0005fcc0 R08: ffff993f48320cc0 R09: ffff993f4118da10
[  658.518367] R10: ffffa6dd0005fca8 R11: ffffa6dd0005fcb0 R12: dead000000000122
[  658.518439] R13: dead000000000100 R14: ffff993f431faa00 R15: 0000000000000000
[  658.518514] FS:  0000000000000000(0000) GS:ffff993f7ec80000(0000) knlGS:0000000000000000
[  658.518592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  658.518658] CR2: 00007f4c49680518 CR3: 0000000002b2e006 CR4: 0000000000772ef0
[  658.518731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  658.518810] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  658.518882] PKRU: 55555554
[  658.518905] Call Trace:
[  658.518931]  <TASK>
[  658.518961] ? __warn (kernel/panic.c:748)
[  658.519013] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.519056] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  658.519103] ? handle_bug (arch/x86/kernel/traps.c:285)
[  658.519148] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  658.519193] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  658.519237] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  658.519279] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  658.519335] cleanup_net (net/core/net_namespace.c:648)
[  658.519376] process_one_work (kernel/workqueue.c:3229)
[  658.519422] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  658.519464] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  658.519520] kthread (kernel/kthread.c:389)
[  658.519563] ? __pfx_kthread (kernel/kthread.c:342)
[  658.519606] ret_from_fork (arch/x86/kernel/process.c:147)
[  658.519650] ? __pfx_kthread (kernel/kthread.c:342)


Finger prints:
__rtnl_unlock:unregister_netdevice_many_notify:vlan_device_event:notifier_call_chain:unregister_netdevice_many_notify
__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