======================================
| [  612.041817] br1: port 1(vx10) entered disabled state
| [  612.054002] ------------[ cut here ]------------
| [  612.054100] WARNING: CPU: 2 PID: 65 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  612.054178] Modules linked in: macvlan ip_gre gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred sch_tbf sch_prio act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[  612.054426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.054483] Workqueue: netns cleanup_net
[  612.054532] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 612.054585] 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
[  612.054708] RSP: 0018:ffffa23cc023fb40 EFLAGS: 00010283
[  612.054761] RAX: ffff92174813d4f8 RBX: 0000000000000000 RCX: 0000000000000001
[  612.054829] RDX: ffff9217499f0f40 RSI: 0000000000000000 RDI: dead000000000122
[  612.054914] RBP: ffffa23cc023fa70 R08: ffff921744d6b220 R09: 0000000000000001
[  612.054988] R10: ffff92177ed1cf58 R11: ffffffff9333fbc5 R12: ffff921743b88000
[  612.055069] R13: ffffa23cc023fc88 R14: 00000000ffffffe4 R15: 0000000000000000
[  612.055144] FS:  0000000000000000(0000) GS:ffff92177ed00000(0000) knlGS:0000000000000000
[  612.055211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  612.055273] CR2: 00007f6b09260000 CR3: 0000000038642003 CR4: 0000000000772ef0
[  612.055343] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  612.055408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  612.055476] PKRU: 55555554
[  612.055523] Call Trace:
[  612.055561]  <TASK>
[  612.055601] ? __warn (kernel/panic.c:748)
[  612.055650] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.055695] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  612.055745] ? handle_bug (arch/x86/kernel/traps.c:285)
[  612.055792] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  612.055844] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  612.055900] ? igmp6_group_dropped (./include/linux/slab.h:901 ./include/linux/slab.h:1037 net/ipv6/mcast.c:746 net/ipv6/mcast.c:2671 net/ipv6/mcast.c:726)
[  612.055992] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.056058] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11575)
[  612.056125] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[  612.056208] notifier_call_chain (kernel/notifier.c:85)
[  612.056268] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  612.056361] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  612.056421] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  612.056481] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  612.056572] notifier_call_chain (kernel/notifier.c:85)
[  612.056628] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  612.056699] cleanup_net (net/core/net_namespace.c:648)
[  612.056756] process_one_work (kernel/workqueue.c:3229)
[  612.056812] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  612.056875] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  612.056943] kthread (kernel/kthread.c:389)
[  612.057010] ? __pfx_kthread (kernel/kthread.c:342)
[  612.057068] ret_from_fork (arch/x86/kernel/process.c:147)
[  612.057126] ? __pfx_kthread (kernel/kthread.c:342)
[  612.057199] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  612.057611] ------------[ cut here ]------------
| [  612.057688] WARNING: CPU: 2 PID: 65 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  612.057782] Modules linked in: macvlan ip_gre gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred sch_tbf sch_prio act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  612.058178] Tainted: [W]=WARN
[  612.058239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.058318] Workqueue: netns cleanup_net
[  612.058373] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 612.058448] 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
[  612.058636] RSP: 0018:ffffa23cc023fb40 EFLAGS: 00010283
[  612.058707] RAX: ffff92174813d4f8 RBX: 0000000000000000 RCX: ffff921743b8e548
[  612.058810] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff921743b8b000
[  612.058914] RBP: ffffa23cc023fa70 R08: ffff92174350cb28 R09: ffff92174118da10
[  612.059014] R10: ffffa23cc023fa70 R11: ffffa23cc023fa78 R12: dead000000000122
[  612.059143] R13: dead000000000100 R14: ffff9217438f0400 R15: 0000000000000000
[  612.059236] FS:  0000000000000000(0000) GS:ffff92177ed00000(0000) knlGS:0000000000000000
[  612.059343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  612.059425] CR2: 00007f6b09260000 CR3: 0000000038642003 CR4: 0000000000772ef0
[  612.059530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  612.059633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  612.059726] PKRU: 55555554
[  612.059781] Call Trace:
[  612.059834]  <TASK>
[  612.059885] ? __warn (kernel/panic.c:748)
[  612.059948] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.060018] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  612.060088] ? handle_bug (arch/x86/kernel/traps.c:285)
[  612.060151] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  612.060208] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  612.060274] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.060336] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  612.060421] macvlan_device_event (drivers/net/macvlan.c:1843) macvlan
[  612.060510] notifier_call_chain (kernel/notifier.c:85)
[  612.060580] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  612.060652] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  612.060716] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  612.060787] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  612.060865] notifier_call_chain (kernel/notifier.c:85)
[  612.060942] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  612.061021] cleanup_net (net/core/net_namespace.c:648)
[  612.061090] process_one_work (kernel/workqueue.c:3229)
[  612.061151] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  612.061210] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  612.061279] kthread (kernel/kthread.c:389)
[  612.061346] ? __pfx_kthread (kernel/kthread.c:342)
[  612.061403] ret_from_fork (arch/x86/kernel/process.c:147)
[  612.061467] ? __pfx_kthread (kernel/kthread.c:342)
[  612.061523] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  612.061951] ------------[ cut here ]------------
| [  612.062055] WARNING: CPU: 2 PID: 65 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  612.062160] Modules linked in: macvlan ip_gre gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred sch_tbf sch_prio act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  612.062545] Tainted: [W]=WARN
[  612.062600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.062694] Workqueue: netns cleanup_net
[  612.062754] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 612.062824] 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
[  612.063022] RSP: 0018:ffffa23cc023fc48 EFLAGS: 00010283
[  612.063092] RAX: ffff92174813d4f8 RBX: 0000000000000000 RCX: ffff9217411f8120
[  612.063179] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff921743b8e000
[  612.063270] RBP: ffffa23cc023fb78 R08: ffff9217480b76e8 R09: ffff92174118da10
[  612.063363] R10: ffffa23cc023fb78 R11: ffffa23cc023fb80 R12: dead000000000122
[  612.063454] R13: dead000000000100 R14: ffff9217438f0400 R15: 0000000000000000
[  612.063542] FS:  0000000000000000(0000) GS:ffff92177ed00000(0000) knlGS:0000000000000000
[  612.063640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  612.063721] CR2: 00007f6b09260000 CR3: 0000000038642003 CR4: 0000000000772ef0
[  612.063821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  612.063914] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  612.064027] PKRU: 55555554
[  612.064060] Call Trace:
[  612.064125]  <TASK>
[  612.064171] ? __warn (kernel/panic.c:748)
[  612.064235] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.064303] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  612.064365] ? handle_bug (arch/x86/kernel/traps.c:285)
[  612.064436] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  612.064495] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  612.064555] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.064614] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  612.064698] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[  612.064763] vlan_device_event (net/8021q/vlan.c:528) 8021q
[  612.064838] ? netconsole_netdev_event (drivers/net/netconsole.c:1082)
[  612.064919] notifier_call_chain (kernel/notifier.c:85)
[  612.064988] unregister_netdevice_many_notify (net/core/dev.c:11597)
[  612.065071] cleanup_net (net/core/net_namespace.c:648)
[  612.065134] process_one_work (kernel/workqueue.c:3229)
[  612.065188] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  612.065245] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  612.065315] kthread (kernel/kthread.c:389)
[  612.065372] ? __pfx_kthread (kernel/kthread.c:342)
[  612.065431] ret_from_fork (arch/x86/kernel/process.c:147)
[  612.065492] ? __pfx_kthread (kernel/kthread.c:342)
[  612.065551] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [  612.077162] ------------[ cut here ]------------
| [  612.077295] WARNING: CPU: 2 PID: 65 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
| [  612.077370] Modules linked in: macvlan ip_gre gre act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred sch_tbf sch_prio act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  612.077635] Tainted: [W]=WARN
[  612.077680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.077740] Workqueue: netns cleanup_net
[  612.077787] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[ 612.077842] 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
[  612.077977] RSP: 0018:ffffa23cc023fd78 EFLAGS: 00010283
[  612.078029] RAX: ffff92174813d4f8 RBX: 0000000000000000 RCX: ffff921748316548
[  612.078096] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9217493fa000
[  612.078163] RBP: ffffa23cc023fcc0 R08: ffff92174a0c46e8 R09: ffff92174118da10
[  612.078227] R10: ffffa23cc023fca8 R11: ffffa23cc023fcb0 R12: dead000000000122
[  612.078293] R13: dead000000000100 R14: ffff9217438f0400 R15: 0000000000000000
[  612.078359] FS:  0000000000000000(0000) GS:ffff92177ed00000(0000) knlGS:0000000000000000
[  612.078427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  612.078486] CR2: 00007f6b09260000 CR3: 0000000038642003 CR4: 0000000000772ef0
[  612.078553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  612.078618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  612.078683] PKRU: 55555554
[  612.078721] Call Trace:
[  612.078759]  <TASK>
[  612.078798] ? __warn (kernel/panic.c:748)
[  612.078847] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.078895] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[  612.078942] ? handle_bug (arch/x86/kernel/traps.c:285)
[  612.078997] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[  612.079042] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[  612.079095] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1))
[  612.079140] unregister_netdevice_many_notify (./include/linux/kernel.h:73 net/core/dev.c:11470 net/core/dev.c:11639)
[  612.079194] cleanup_net (net/core/net_namespace.c:648)
[  612.079241] process_one_work (kernel/workqueue.c:3229)
[  612.079287] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[  612.079331] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[  612.079384] kthread (kernel/kthread.c:389)
[  612.079429] ? __pfx_kthread (kernel/kthread.c:342)
[  612.079472] ret_from_fork (arch/x86/kernel/process.c:147)
[  612.079520] ? __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