======================================
| [ 1084.536203][T12293] ------------[ cut here ]------------
| [ 1084.536499][T12293] RTNL: assertion failed at net/core/link_watch.c (59)
| [1084.536782][T12293] WARNING: CPU: 3 PID: 12293 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3))
| [ 1084.537133][T12293] Modules linked in: ip6_gre ip6_tunnel tunnel6 ip_gre gre act_mirred cls_matchall sch_red dummy sch_tbf act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[ 1084.538052][T12293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1084.538302][T12293] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3))
[ 1084.538494][T12293] 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 97 99 48 c7 c7 40 2b 97 99 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 97 99 	mov    $0xffffffff99972b00,%rsi
  1d:	48 c7 c7 40 2b 97 99 	mov    $0xffffffff99972b40,%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
[ 1084.539092][T12293] RSP: 0018:ffffc900012471c8 EFLAGS: 00010286
[ 1084.539332][T12293] RAX: 0000000000000000 RBX: ffff888007f51000 RCX: 1ffffffff343b58c
[ 1084.539594][T12293] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001
[ 1084.539849][T12293] RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff343b58c
[ 1084.540104][T12293] R10: 0000000000000003 R11: ffff888004fe8040 R12: 0000000000000000
[ 1084.540368][T12293] R13: dffffc0000000000 R14: ffffc90001246cb0 R15: ffff888007f515b0
[ 1084.540632][T12293] FS:  00007fc4d7e58800(0000) GS:ffff88802f780000(0000) knlGS:0000000000000000
[ 1084.540937][T12293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1084.541153][T12293] CR2: 00000000004e5a28 CR3: 0000000002968004 CR4: 0000000000772ef0
[ 1084.541421][T12293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1084.541675][T12293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1084.541934][T12293] PKRU: 55555554
[ 1084.542065][T12293] Call Trace:
[ 1084.542199][T12293]  <TASK>
[1084.542309][T12293] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[1084.542496][T12293] ? __warn (kernel/panic.c:748)
[1084.542635][T12293] ? 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)
[1084.542807][T12293] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[1084.542976][T12293] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[1084.543160][T12293] ? handle_bug (arch/x86/kernel/traps.c:285)
[1084.543312][T12293] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[1084.543483][T12293] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
[1084.543673][T12293] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[1084.543850][T12293] ? default_operstate (net/core/link_watch.c:59 (discriminator 3))
[1084.544017][T12293] rfc2863_policy (net/core/link_watch.c:78)
[1084.544194][T12293] linkwatch_do_dev (net/core/link_watch.c:180)
[1084.544395][T12293] netdev_run_todo (net/core/dev.c:10894 (discriminator 2))
[1084.544569][T12293] ? __pfx_netdev_run_todo (net/core/dev.c:10867)
[1084.544746][T12293] rtnl_dellink (net/core/rtnetlink.c:3528)
[1084.544917][T12293] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484)
[1084.545136][T12293] ? find_held_lock (kernel/locking/lockdep.c:5339)
[1084.545328][T12293] ? __lock_release (kernel/locking/lockdep.c:5525)
[1084.545499][T12293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900)
[1084.545666][T12293] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[1084.545835][T12293] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[1084.546009][T12293] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6900)
[1084.546189][T12293] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484)
[1084.546374][T12293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902)
[1084.546554][T12293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805)
[1084.546785][T12293] ? 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)
[1084.547000][T12293] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[1084.547150][T12293] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[1084.547341][T12293] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[1084.547524][T12293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805)
[1084.547697][T12293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[1084.547888][T12293] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[1084.548061][T12293] ? 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)
[1084.548236][T12293] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[1084.548416][T12293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[1084.548586][T12293] ? find_held_lock (kernel/locking/lockdep.c:5339)
[1084.548761][T12293] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[1084.548937][T12293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[1084.549125][T12293] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[1084.549312][T12293] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[1084.549479][T12293] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[1084.549701][T12293] ___sys_sendmsg (net/socket.c:2650)
[1084.549872][T12293] ? __pfx____sys_sendmsg (net/socket.c:2637)
[1084.550044][T12293] ? kasan_save_stack (mm/kasan/common.c:49)
[1084.550210][T12293] ? kasan_save_stack (mm/kasan/common.c:48)
[1084.550400][T12293] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[1084.550571][T12293] ? __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)
[1084.550785][T12293] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[1084.550953][T12293] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[1084.551127][T12293] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[1084.551349][T12293] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[1084.551527][T12293] ? find_held_lock (kernel/locking/lockdep.c:5339)
[1084.551702][T12293] ? __lock_release (kernel/locking/lockdep.c:5525)
[1084.551875][T12293] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[1084.552045][T12293] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[1084.552212][T12293] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[1084.552400][T12293] __sys_sendmsg (net/socket.c:2680)
[1084.552575][T12293] ? __pfx___sys_sendmsg (net/socket.c:2665)
[1084.552745][T12293] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[1084.552978][T12293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[1084.553154][T12293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1084.553371][T12293] RIP: 0033:0x7fc4d80649a7
[ 1084.553555][T12293] 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)
[ 1084.554145][T12293] RSP: 002b:00007ffc3655c8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1084.554438][T12293] RAX: ffffffffffffffda RBX: 00007ffc3655cfd0 RCX: 00007fc4d80649a7
[ 1084.554695][T12293] RDX: 0000000000000000 RSI: 00007ffc3655c910 RDI: 0000000000000005
[ 1084.554954][T12293] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 1084.555209][T12293] R10: 00007fc4d7f22ef8 R11: 0000000000000246 R12: 0000000000000002


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