======================================
| [  291.604248][ T2537] ------------[ cut here ]------------
| [  291.604540][ T2537] RTNL: assertion failed at net/core/link_watch.c (59)
| [ 291.604828][ T2537] WARNING: CPU: 0 PID: 2537 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3))
| [  291.605206][ T2537] Modules linked in: bridge stp llc ip_gre xfrm_user act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[  291.606004][ T2537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 291.606257][ T2537] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 291.606454][ T2537] Code: 83 e4 01 0f 85 03 ff ff ff c6 05 2e 39 3a 02 01 90 ba 3b 00 00 00 48 c7 c6 00 2b 77 b6 48 c7 c7 40 2b 77 b6 e8 13 95 ea fd 90 <0f> 0b 90 90 e9 d9 fe ff ff 48 89 ef e8 d1 bb 71 fe e9 f7 fd ff ff
All code
========
   0:	83 e4 01             	and    $0x1,%esp
   3:	0f 85 03 ff ff ff    	jne    0xffffffffffffff0c
   9:	c6 05 2e 39 3a 02 01 	movb   $0x1,0x23a392e(%rip)        # 0x23a393e
  10:	90                   	nop
  11:	ba 3b 00 00 00       	mov    $0x3b,%edx
  16:	48 c7 c6 00 2b 77 b6 	mov    $0xffffffffb6772b00,%rsi
  1d:	48 c7 c7 40 2b 77 b6 	mov    $0xffffffffb6772b40,%rdi
  24:	e8 13 95 ea fd       	call   0xfffffffffdea953c
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	e9 d9 fe ff ff       	jmp    0xffffffffffffff0c
  33:	48 89 ef             	mov    %rbp,%rdi
  36:	e8 d1 bb 71 fe       	call   0xfffffffffe71bc0c
  3b:	e9 f7 fd ff ff       	jmp    0xfffffffffffffe37

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	e9 d9 fe ff ff       	jmp    0xfffffffffffffee2
   9:	48 89 ef             	mov    %rbp,%rdi
   c:	e8 d1 bb 71 fe       	call   0xfffffffffe71bbe2
  11:	e9 f7 fd ff ff       	jmp    0xfffffffffffffe0d
[  291.607109][ T2537] RSP: 0018:ffffc90001c771c8 EFLAGS: 00010286
[  291.607351][ T2537] RAX: 0000000000000000 RBX: ffff88800fd3c000 RCX: 1ffffffff6dfb58c
[  291.607631][ T2537] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[  291.607909][ T2537] RBP: 0000000000000038 R08: 0000000000000000 R09: fffffbfff6dfb58c
[  291.608194][ T2537] R10: 0000000000000003 R11: ffff888010812300 R12: 0000000000000000
[  291.608494][ T2537] R13: dffffc0000000000 R14: ffffc90001c76cb0 R15: ffff88800fd3c5b0
[  291.608770][ T2537] FS:  00007f6a6090f800(0000) GS:ffff88802f600000(0000) knlGS:0000000000000000
[  291.609107][ T2537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  291.609347][ T2537] CR2: 00007fb3956cd370 CR3: 0000000002576002 CR4: 0000000000772ef0
[  291.609622][ T2537] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  291.609906][ T2537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  291.610190][ T2537] PKRU: 55555554
[  291.610334][ T2537] Call Trace:
[  291.610478][ T2537]  <TASK>
[ 291.610587][ T2537] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 291.610775][ T2537] ? __warn (kernel/panic.c:748)
[ 291.610925][ T2537] ? 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)
[ 291.611127][ T2537] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 291.611313][ T2537] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 291.611504][ T2537] ? handle_bug (arch/x86/kernel/traps.c:285)
[ 291.611644][ T2537] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 291.611836][ T2537] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[ 291.612034][ T2537] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 291.612244][ T2537] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 291.612436][ T2537] rfc2863_policy (net/core/link_watch.c:78)
[ 291.612626][ T2537] linkwatch_do_dev (net/core/link_watch.c:180)
[ 291.612809][ T2537] netdev_run_todo (net/core/dev.c:10894 (discriminator 2))
[ 291.612999][ T2537] ? __pfx_netdev_run_todo (net/core/dev.c:10867)
[ 291.613196][ T2537] ? vlan_vid_del (net/8021q/vlan_core.c:368 net/8021q/vlan_core.c:387)
[ 291.613393][ T2537] rtnl_dellink (net/core/rtnetlink.c:3528)
[ 291.613587][ T2537] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484)
[ 291.613827][ T2537] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 291.614015][ T2537] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 291.614206][ T2537] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900)
[ 291.614402][ T2537] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 291.614586][ T2537] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 291.614784][ T2537] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900)
[ 291.614968][ T2537] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484)
[ 291.615161][ T2537] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902)
[ 291.615345][ T2537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805)
[ 291.615525][ T2537] ? 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)
[ 291.615705][ T2537] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 291.615847][ T2537] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 291.616033][ T2537] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 291.616250][ T2537] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805)
[ 291.616447][ T2537] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 291.616645][ T2537] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 291.616832][ T2537] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 291.617022][ T2537] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 291.617227][ T2537] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 291.617418][ T2537] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 291.617614][ T2537] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 291.617799][ T2537] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 291.617994][ T2537] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 291.618190][ T2537] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 291.618369][ T2537] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 291.618608][ T2537] ___sys_sendmsg (net/socket.c:2650)
[ 291.618797][ T2537] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 291.618994][ T2537] ? kasan_save_stack (mm/kasan/common.c:49)
[ 291.619195][ T2537] ? kasan_save_stack (mm/kasan/common.c:48)
[ 291.619374][ T2537] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 291.619556][ T2537] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087)
[ 291.619780][ T2537] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 291.619961][ T2537] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 291.620150][ T2537] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 291.620397][ T2537] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 291.620590][ T2537] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 291.620778][ T2537] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 291.620977][ T2537] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 291.621175][ T2537] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 291.621355][ T2537] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 291.621547][ T2537] __sys_sendmsg (net/socket.c:2680)
[ 291.621741][ T2537] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 291.621920][ T2537] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 291.622181][ T2537] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 291.622363][ T2537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  291.622591][ T2537] RIP: 0033:0x7f6a60b1b9a7
[ 291.622785][ T2537] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  291.623447][ T2537] RSP: 002b:00007ffd4afe2578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  291.623724][ T2537] RAX: ffffffffffffffda RBX: 00007ffd4afe2ca0 RCX: 00007f6a60b1b9a7
[  291.624001][ T2537] RDX: 0000000000000000 RSI: 00007ffd4afe25e0 RDI: 0000000000000005
[  291.624305][ T2537] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  291.624579][ T2537] R10: 00007f6a609d9ef8 R11: 0000000000000246 R12: 0000000000000002


Finger prints:
default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink