======================================
| [   81.015158] ------------[ cut here ]------------
| [   81.015229] RTNL: assertion failed at net/core/link_watch.c (59)
| [   81.015309] WARNING: CPU: 0 PID: 66 at net/core/link_watch.c:59 rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76)
| [   81.015376] Modules linked in: macvlan vxlan ip6_udp_tunnel udp_tunnel act_vlan cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress vrf veth
[   81.015584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.015633] Workqueue: netns cleanup_net
[   81.015670] RIP: 0010:rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76)
[ 81.015709] Code: 80 3d 03 5d e8 00 00 75 ca c6 05 fa 5c e8 00 01 90 ba 3b 00 00 00 48 c7 c6 08 22 58 94 48 c7 c7 28 0d 4a 94 e8 ef 95 57 ff 90 <0f> 0b 90 90 eb a3 83 f8 06 0f 85 14 ff ff ff b8 05 00 00 00 e9 0a
All code
========
   0:	80 3d 03 5d e8 00 00 	cmpb   $0x0,0xe85d03(%rip)        # 0xe85d0a
   7:	75 ca                	jne    0xffffffffffffffd3
   9:	c6 05 fa 5c e8 00 01 	movb   $0x1,0xe85cfa(%rip)        # 0xe85d0a
  10:	90                   	nop
  11:	ba 3b 00 00 00       	mov    $0x3b,%edx
  16:	48 c7 c6 08 22 58 94 	mov    $0xffffffff94582208,%rsi
  1d:	48 c7 c7 28 0d 4a 94 	mov    $0xffffffff944a0d28,%rdi
  24:	e8 ef 95 57 ff       	call   0xffffffffff579618
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	eb a3                	jmp    0xffffffffffffffd3
  30:	83 f8 06             	cmp    $0x6,%eax
  33:	0f 85 14 ff ff ff    	jne    0xffffffffffffff4d
  39:	b8 05 00 00 00       	mov    $0x5,%eax
  3e:	e9                   	.byte 0xe9
  3f:	0a                   	.byte 0xa

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	eb a3                	jmp    0xffffffffffffffa9
   6:	83 f8 06             	cmp    $0x6,%eax
   9:	0f 85 14 ff ff ff    	jne    0xffffffffffffff23
   f:	b8 05 00 00 00       	mov    $0x5,%eax
  14:	e9                   	.byte 0xe9
  15:	0a                   	.byte 0xa
[   81.015847] RSP: 0000:ffffba6e00247d88 EFLAGS: 00010282
[   81.015887] RAX: 0000000000000000 RBX: ffff99b5c6e4f000 RCX: 00000000ffffdfff
[   81.015955] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   81.016009] RBP: 0000000000000012 R08: ffffffff94956968 R09: 00000000ffffdfff
[   81.016066] R10: ffffffff94876980 R11: ffffffff94926980 R12: dead000000000122
[   81.016141] R13: dead000000000100 R14: ffffffff94581b5f R15: ffff99b5c8afc000
[   81.016203] FS:  0000000000000000(0000) GS:ffff99b5fec00000(0000) knlGS:0000000000000000
[   81.016262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.016309] CR2: 00007f182a759ff0 CR3: 000000000843c002 CR4: 0000000000772ef0
[   81.016372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   81.016427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   81.016486] PKRU: 55555554
[   81.016514] Call Trace:
[   81.016540]  <TASK>
[   81.016568] ? __warn (kernel/panic.c:748)
[   81.016605] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76)
[   81.016638] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[   81.016673] ? handle_bug (arch/x86/kernel/traps.c:285)
[   81.016713] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[   81.016745] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[   81.016784] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76)
[   81.016815] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76)
[   81.016846] linkwatch_do_dev (net/core/link_watch.c:180)
[   81.016889] netdev_run_todo (net/core/dev.c:10894 (discriminator 2))
[   81.016925] cleanup_net (net/core/net_namespace.c:647)
[   81.016957] process_one_work (kernel/workqueue.c:3229)
[   81.016993] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391)
[   81.017026] ? __pfx_worker_thread (kernel/workqueue.c:3337)
[   81.017072] kthread (kernel/kthread.c:389)
[   81.017106] ? __pfx_kthread (kernel/kthread.c:342)
[   81.017142] ret_from_fork (arch/x86/kernel/process.c:147)
[   81.017179] ? __pfx_kthread (kernel/kthread.c:342)


Finger prints:
rfc2863_policy:linkwatch_do_dev:netdev_run_todo:cleanup_net:process_one_work