======================================
| xx__-> [    9.273890][  T186] ------------[ cut here ]------------
| [    9.274107][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.274453][  T186] Modules linked in: veth
| [    9.274953][  T186] Tainted: [W]=WARN
[    9.275067][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.275339][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.275572][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.276089][  T186] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[    9.276271][  T186] RAX: 00000000ffffffa6 RBX: ff11000005242200 RCX: 1ff4000000110d8c
[    9.276681][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000052422b8
[    9.277003][  T186] RBP: ff1100000a1bc000 R08: 1fe2200000a48458 R09: ff1100000c27ae80
[    9.277256][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.277669][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000088f2e00
[    9.277888][  T186] FS:  00007f694e8e3840(0000) GS:ff1100009a330000(0000) knlGS:0000000000000000
[    9.278141][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.278318][  T186] CR2: 000000000042ebe0 CR3: 0000000002122005 CR4: 0000000000771ef0
[    9.278532][  T186] PKRU: 55555554
[    9.278641][  T186] Call Trace:
[    9.278747][  T186]  <TASK>
[    9.278918][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.279101][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.279242][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.279348][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.279495][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.279636][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.279777][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.279924][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.280068][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.280306][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.280445][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.280592][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.280829][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.281095][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.281239][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.281475][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.281748][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.281897][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.282039][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.282197][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.282339][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.282525][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.282668][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.282911][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.283059][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.283200][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.283340][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.283579][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.283727][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.283872][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.284118][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.284257][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.284396][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.284568][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.284708][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.284955][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.285194][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.285333][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.285474][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.285620][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.285854][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.286006][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.286145][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.286384][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.286530][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.286672][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.286818][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.286967][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.287110][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.287250][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.287392][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.287632][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.287795][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.287946][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.288101][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.288243][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.288386][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.288564][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.288711][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.288851][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.288999][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.289246][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.289389][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.289532][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.289766][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.289917][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.290063][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290298][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.290438][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.290585][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.290726][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.290868][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.291055][  T186] RIP: 0033:0x7f694eb1d08e
[    9.291302][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.291909][  T186] RSP: 002b:00007ffd11255c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.292124][  T186] RAX: ffffffffffffffda RBX: 00007ffd112563d8 RCX: 00007f694eb1d08e
[    9.292334][  T186] RDX: 0000000000000000 RSI: 00007ffd11255cf0 RDI: 0000000000000005
[    9.292736][  T186] RBP: 00007ffd11255c50 R08: 0000000000000000 R09: 0000000000000000
[    9.292953][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca68
[    9.293167][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd112563b0
| [    9.302877][  T186] ------------[ cut here ]------------
| [    9.303078][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.303368][  T186] Modules linked in: veth
| [    9.303872][  T186] Tainted: [W]=WARN
[    9.304045][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.304269][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.304514][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.305070][  T186] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[    9.305291][  T186] RAX: 00000000ffffffa6 RBX: ff11000009a52040 RCX: 1ff4000000110dfc
[    9.305560][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a520f8
[    9.305816][  T186] RBP: ff110000087d4000 R08: 1fe220000134a420 R09: ff1100000c27ae80
[    9.306085][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.306335][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.306603][  T186] FS:  00007f694e8e3840(0000) GS:ff1100009a2b0000(0000) knlGS:0000000000000000
[    9.306904][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.307136][  T186] CR2: 000055e9c9bf2d5c CR3: 0000000002122003 CR4: 0000000000771ef0
[    9.307388][  T186] PKRU: 55555554
[    9.307555][  T186] Call Trace:
[    9.307707][  T186]  <TASK>
[    9.307828][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.308037][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.308195][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.308384][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.308585][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.308773][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.308975][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.309167][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.309354][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.309557][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.309744][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.309949][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.310155][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.310344][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.310545][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.310735][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.310928][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.311122][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.311316][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.311520][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.311708][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.311906][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.312105][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.312317][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.312536][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.312726][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.312926][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.313121][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.313310][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.313517][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.313707][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.313908][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.314113][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.314302][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.314505][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.314697][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.314896][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.315097][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.315293][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.315498][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.315719][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.315921][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.316124][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.316314][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.316529][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.316723][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.316922][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.317120][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.317314][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.317518][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.317711][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.317911][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.318114][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.318307][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.318513][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.318735][  T186] RIP: 0033:0x7f694eb1d08e
[    9.318935][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.319497][  T186] RSP: 002b:00007ffd11255c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.319755][  T186] RAX: ffffffffffffffda RBX: 00007ffd112563d8 RCX: 00007f694eb1d08e
[    9.320033][  T186] RDX: 0000000000000000 RSI: 00007ffd11255cf0 RDI: 0000000000000005
[    9.320291][  T186] RBP: 00007ffd11255c50 R08: 0000000000000000 R09: 0000000000000000
[    9.320564][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca68


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink