======================================
| [   38.678438] br1: port 1(vx10) entered disabled state
| [   38.687013] ------------[ cut here ]------------
| [   38.687095] WARNING: CPU: 0 PID: 63 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [   38.687164] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   38.687421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.687473] Workqueue: netns cleanup_net
[   38.687511] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 38.687580] 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
[   38.687731] RSP: 0018:ffffb3a68022fb40 EFLAGS: 00010283
[   38.687779] RAX: ffff8e8f8a1f04f8 RBX: 0000000000000000 RCX: 0000000000000001
[   38.687852] RDX: ffff8e8f83360000 RSI: 0000000000000000 RDI: dead000000000122
[   38.687910] RBP: ffffb3a68022fa70 R08: ffff8e8f8175bb40 R09: 0000000000000001
[   38.687965] R10: ffff8e8fbec1cf58 R11: 000008a8000008a8 R12: ffff8e8f8a1f3000
[   38.688045] R13: ffffb3a68022fc88 R14: 00000000ffffffe5 R15: 0000000000000000
[   38.688103] FS:  0000000000000000(0000) GS:ffff8e8fbec00000(0000) knlGS:0000000000000000
[   38.688187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.688236] CR2: 000055e47f798dec CR3: 0000000007b56005 CR4: 0000000000772ef0
[   38.688307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.688362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.688414] PKRU: 55555554
[   38.688438] Call Trace:
[   38.688461]  <TASK>
[   38.688485] ? __warn (kernel/panic.c:748)
[   38.688524] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.688579] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[   38.688631] ? handle_bug (arch/x86/kernel/traps.c:285)
[   38.688661] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[   38.688692] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[   38.688729] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.688793] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[   38.688837] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[   38.688881] notifier_call_chain (kernel/notifier.c:85)
[   38.688947] unregister_netdevice_many_notify (net/core/dev.c:11597)
[   38.689027] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[   38.689099] vlan_device_event (net/8021q/vlan.c:528) 8021q
[   38.689183] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[   38.689267] notifier_call_chain (kernel/notifier.c:85)
[   38.689306] unregister_netdevice_many_notify (net/core/dev.c:11597)
[   38.689346] cleanup_net (net/core/net_namespace.c:648)
[   38.689380] process_one_work (kernel/workqueue.c:3229)
[   38.689410] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[   38.689434] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[   38.689472] kthread (kernel/kthread.c:389)
[   38.689506] ? __pfx_kthread (kernel/kthread.c:342)
[   38.689532] ret_from_fork (arch/x86/kernel/process.c:147)
[   38.689586] ? __pfx_kthread (kernel/kthread.c:342)
[   38.689625] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [   38.690357] ------------[ cut here ]------------
| [   38.690408] WARNING: CPU: 0 PID: 63 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [   38.690521] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   38.690704] Tainted: [W]=WARN
[   38.690735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.690786] Workqueue: netns cleanup_net
[   38.690823] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 38.690863] 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
[   38.690994] RSP: 0018:ffffb3a68022fb40 EFLAGS: 00010283
[   38.691036] RAX: ffff8e8f8a1f04f8 RBX: 0000000000000000 RCX: ffff8e8f811f8120
[   38.691093] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8e8f8a1f6000
[   38.691152] RBP: ffffb3a68022fa70 R08: ffff8e8f882fb6e8 R09: ffff8e8f8118da10
[   38.691209] R10: ffffb3a68022fa70 R11: ffffb3a68022fa78 R12: dead000000000122
[   38.691266] R13: dead000000000100 R14: ffff8e8f831e5c00 R15: 0000000000000000
[   38.691325] FS:  0000000000000000(0000) GS:ffff8e8fbec00000(0000) knlGS:0000000000000000
[   38.691386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.691433] CR2: 000055e47f798dec CR3: 0000000007b56005 CR4: 0000000000772ef0
[   38.691493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.691552] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.691612] PKRU: 55555554
[   38.691634] Call Trace:
[   38.691653]  <TASK>
[   38.691676] ? __warn (kernel/panic.c:748)
[   38.691711] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.691744] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[   38.691783] ? handle_bug (arch/x86/kernel/traps.c:285)
[   38.691815] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[   38.691847] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[   38.691883] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.691915] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[   38.691959] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[   38.692079] notifier_call_chain (kernel/notifier.c:85)
[   38.692143] unregister_netdevice_many_notify (net/core/dev.c:11597)
[   38.692185] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[   38.692220] vlan_device_event (net/8021q/vlan.c:528) 8021q
[   38.692290] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[   38.692336] notifier_call_chain (kernel/notifier.c:85)
[   38.692383] unregister_netdevice_many_notify (net/core/dev.c:11597)
[   38.692435] cleanup_net (net/core/net_namespace.c:648)
[   38.692467] process_one_work (kernel/workqueue.c:3229)
[   38.692499] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[   38.692550] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[   38.692595] kthread (kernel/kthread.c:389)
[   38.692627] ? __pfx_kthread (kernel/kthread.c:342)
[   38.692657] ret_from_fork (arch/x86/kernel/process.c:147)
[   38.692692] ? __pfx_kthread (kernel/kthread.c:342)
[   38.692717] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [   38.693000] ------------[ cut here ]------------
| [   38.693045] WARNING: CPU: 0 PID: 63 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [   38.693130] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   38.693339] Tainted: [W]=WARN
[   38.693364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.693407] Workqueue: netns cleanup_net
[   38.693437] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 38.693477] 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
[   38.693634] RSP: 0018:ffffb3a68022fc48 EFLAGS: 00010283
[   38.693696] RAX: ffff8e8f8a1f64f8 RBX: 0000000000000000 RCX: ffff8e8f811f8120
[   38.693750] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8e8f8a1f3000
[   38.693811] RBP: ffffb3a68022fb78 R08: ffff8e8f88342b28 R09: ffff8e8f8118da10
[   38.693862] R10: ffffb3a68022fb78 R11: ffffb3a68022fb80 R12: dead000000000122
[   38.693913] R13: dead000000000100 R14: ffff8e8f831e5c00 R15: 0000000000000000
[   38.693972] FS:  0000000000000000(0000) GS:ffff8e8fbec00000(0000) knlGS:0000000000000000
[   38.694035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.694091] CR2: 000055e47f798dec CR3: 0000000007b56005 CR4: 0000000000772ef0
[   38.694149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.694198] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.694277] PKRU: 55555554
[   38.694294] Call Trace:
[   38.694312]  <TASK>
[   38.694330] ? __warn (kernel/panic.c:748)
[   38.694360] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.694412] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[   38.694446] ? handle_bug (arch/x86/kernel/traps.c:285)
[   38.694478] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[   38.694523] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[   38.694569] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.694600] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[   38.694651] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[   38.694685] vlan_device_event (net/8021q/vlan.c:528) 8021q
[   38.694727] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[   38.694791] notifier_call_chain (kernel/notifier.c:85)
[   38.694821] unregister_netdevice_many_notify (net/core/dev.c:11597)
[   38.694855] cleanup_net (net/core/net_namespace.c:648)
[   38.694892] process_one_work (kernel/workqueue.c:3229)
[   38.694924] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[   38.694960] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[   38.695004] kthread (kernel/kthread.c:389)
[   38.695039] ? __pfx_kthread (kernel/kthread.c:342)
[   38.695070] ret_from_fork (arch/x86/kernel/process.c:147)
[   38.695102] ? __pfx_kthread (kernel/kthread.c:342)
[   38.695136] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [   38.717132] ------------[ cut here ]------------
| [   38.717219] WARNING: CPU: 0 PID: 63 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [   38.717285] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   38.717466] Tainted: [W]=WARN
[   38.717496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.717538] Workqueue: netns cleanup_net
[   38.717570] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 38.717611] 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
[   38.717733] RSP: 0018:ffffb3a68022fd78 EFLAGS: 00010283
[   38.717769] RAX: ffff8e8f8a1f64f8 RBX: 0000000000000000 RCX: ffff8e8f8a1f9548
[   38.717824] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8e8f81e5c000
[   38.717876] RBP: ffffb3a68022fcc0 R08: ffff8e8f84899908 R09: ffff8e8f8118da10
[   38.717928] R10: ffffb3a68022fca8 R11: ffffb3a68022fcb0 R12: dead000000000122
[   38.717989] R13: dead000000000100 R14: ffff8e8f831e5c00 R15: 0000000000000000
[   38.718047] FS:  0000000000000000(0000) GS:ffff8e8fbec00000(0000) knlGS:0000000000000000
[   38.718103] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.718151] CR2: 00007fac12892690 CR3: 000000000a0d0004 CR4: 0000000000772ef0
[   38.718202] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.718256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.718307] PKRU: 55555554
[   38.718324] Call Trace:
[   38.718343]  <TASK>
[   38.718366] ? __warn (kernel/panic.c:748)
[   38.718397] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.718428] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[   38.718468] ? handle_bug (arch/x86/kernel/traps.c:285)
[   38.718500] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[   38.718525] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[   38.718558] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[   38.718589] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[   38.718631] cleanup_net (net/core/net_namespace.c:648)
[   38.718662] process_one_work (kernel/workqueue.c:3229)
[   38.718695] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[   38.718725] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[   38.718758] kthread (kernel/kthread.c:389)
[   38.718795] ? __pfx_kthread (kernel/kthread.c:342)
[   38.718826] ret_from_fork (arch/x86/kernel/process.c:147)
[   38.718856] ? __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