======================================
| xx__-> [    9.060061][  T186] ------------[ cut here ]------------
| [    9.060339][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.060593][  T186] Modules linked in: veth
| [    9.061020][  T186] Tainted: [W]=WARN
[    9.061128][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.061344][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.061533][  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
[    9.062029][  T186] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[    9.062212][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bd383c0 RCX: 1ff400000011ed8c
[    9.062422][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd38478
[    9.062635][  T186] RBP: ff11000008ba9000 R08: 1fe22000017a7090 R09: ff1100000c48d180
[    9.062842][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.063056][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c9c1580
[    9.063315][  T186] FS:  00007fc55b522840(0000) GS:ff110000ac330000(0000) knlGS:0000000000000000
[    9.063563][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.063738][  T186] CR2: 000055b4163e5d5c CR3: 0000000004c3f001 CR4: 0000000000771ef0
[    9.063951][  T186] PKRU: 55555554
[    9.064055][  T186] Call Trace:
[    9.064163][  T186]  <TASK>
[    9.064237][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.064414][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.064559][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.064664][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.064804][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.064960][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.065098][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.065245][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.065383][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.065528][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.065666][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.065805][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.065949][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.066089][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.066233][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.066376][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.066551][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.066691][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.066829][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.066993][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.067134][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.067281][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.067419][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.067663][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.067822][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.068257][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.068405][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.068544][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.068687][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.068927][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.069164][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.069325][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.069561][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.069699][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.069843][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.069991][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.070132][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.070276][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.070415][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.070558][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.070694][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.070935][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.071175][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.071411][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.071556][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.071696][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.071935][  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))
[    9.072171][  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))
[    9.072313][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.072462][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.072694][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.072834][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.073071][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.073310][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.073452][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.073596][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.073734][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.073918][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.074062][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.074207][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.074347][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.074504][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.074643][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.074783][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.074933][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.075075][  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)
[    9.075223][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.075504][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.075645][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.075783][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.075927][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.076067][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.076249][  T186] RIP: 0033:0x7fc55b75c08e
[    9.076395][  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
[    9.076940][  T186] RSP: 002b:00007ffe9379b530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.077160][  T186] RAX: ffffffffffffffda RBX: 00007ffe9379bcc8 RCX: 00007fc55b75c08e
[    9.077371][  T186] RDX: 0000000000000000 RSI: 00007ffe9379b5e0 RDI: 0000000000000005
[    9.077583][  T186] RBP: 00007ffe9379b540 R08: 0000000000000000 R09: 0000000000000000
[    9.077791][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c891
[    9.078010][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9379bca0
| [    9.093965][  T186] ------------[ cut here ]------------
| [    9.094167][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.094408][  T186] Modules linked in: veth
| [    9.094789][  T186] Tainted: [W]=WARN
[    9.094898][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.095067][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.095250][  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
[    9.095737][  T186] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[    9.095928][  T186] RAX: 00000000ffffffa6 RBX: ff1100000907b1c0 RCX: 1ff400000011edfc
[    9.096128][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000907b278
[    9.096333][  T186] RBP: ff11000008849000 R08: 1fe220000120f650 R09: ff1100000c48d180
[    9.096537][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.096736][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.096942][  T186] FS:  00007fc55b522840(0000) GS:ff110000ac330000(0000) knlGS:0000000000000000
[    9.097183][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.097354][  T186] CR2: 000055b4163e5d5c CR3: 0000000004c3f001 CR4: 0000000000771ef0
[    9.097561][  T186] PKRU: 55555554
[    9.097664][  T186] Call Trace:
[    9.097763][  T186]  <TASK>
[    9.097832][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.097976][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.098078][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.098220][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.098355][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.098492][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.098630][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.098764][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.098905][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.099039][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.099179][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.099320][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.099458][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.099598][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.099732][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.099874][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.100008][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.100141][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.100284][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.100419][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.100557][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.100691][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.100824][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.100962][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.101097][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.101343][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.101478][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.101613][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.101746][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.101892][  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))
[    9.102024][  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))
[    9.102266][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.102403][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.102541][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.102675][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.102831][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.102979][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.103121][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.103351][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.103491][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.103657][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.103795][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.103966][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.104099][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.104259][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.104395][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.104534][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.104667][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.104803][  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)
[    9.104944][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.105078][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.105229][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.105368][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.105506][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.105639][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.105806][  T186] RIP: 0033:0x7fc55b75c08e
[    9.105951][  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
[    9.106433][  T186] RSP: 002b:00007ffe9379b530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.106639][  T186] RAX: ffffffffffffffda RBX: 00007ffe9379bcc8 RCX: 00007fc55b75c08e
[    9.106842][  T186] RDX: 0000000000000000 RSI: 00007ffe9379b5e0 RDI: 0000000000000005
[    9.107047][  T186] RBP: 00007ffe9379b540 R08: 0000000000000000 R09: 0000000000000000
[    9.107253][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c891
[    9.107452][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9379bca0
| [    9.300804][  T194] ------------[ cut here ]------------
| [    9.301034][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [    9.301379][  T194] Modules linked in: veth
| [    9.301783][  T194] Tainted: [W]=WARN
[    9.301894][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.302067][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.302258][  T194] 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
[    9.302753][  T194] RSP: 0018:ffa00000007a6e30 EFLAGS: 00010286
[    9.302934][  T194] RAX: 00000000ffffffa6 RBX: ff110000091f5000 RCX: 1ff40000000f4d8c
[    9.303142][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f50b8
[    9.303355][  T194] RBP: ff11000004fbc000 R08: 1fe220000123ea18 R09: ff1100000cb05180
[    9.303565][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.303769][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007558e80
[    9.303986][  T194] FS:  00007fe46bc8e840(0000) GS:ff110000ac230000(0000) knlGS:0000000000000000
[    9.304240][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.304418][  T194] CR2: 000000000042ebe0 CR3: 000000000c517002 CR4: 0000000000771ef0
[    9.304631][  T194] PKRU: 55555554
[    9.304735][  T194] Call Trace:
[    9.304837][  T194]  <TASK>
[    9.304916][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.305061][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.305171][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.305346][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.305488][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.305623][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.305759][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.305899][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.306040][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.306186][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.306327][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.306470][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.306607][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.306744][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.306888][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.307027][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.307203][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.307344][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.307486][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.307640][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.307777][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.307925][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.308061][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.308205][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.308345][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.308488][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.308625][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.308760][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.308906][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.309049][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.309194][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.309331][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.309476][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.309615][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.309753][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.309899][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.310039][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.310181][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.310319][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.310457][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.310601][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.310743][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.310883][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.311022][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.311166][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.311305][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.311446][  T194]  ? 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))
[    9.311590][  T194]  ? 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))
[    9.311738][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.311883][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.312021][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.312164][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.312302][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.312441][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.312588][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.312727][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.312867][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.313040][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.313187][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.313325][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.313463][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.313614][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.313754][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.313897][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.314039][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.314182][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.314320][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.314457][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.314599][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.314738][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.314916][  T194] RIP: 0033:0x7fe46bec808e
[    9.315062][  T194] 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
[    9.315562][  T194] RSP: 002b:00007fffc47f2e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.315771][  T194] RAX: ffffffffffffffda RBX: 00007fffc47f3628 RCX: 00007fe46bec808e
[    9.315983][  T194] RDX: 0000000000000000 RSI: 00007fffc47f2f40 RDI: 0000000000000005
[    9.316194][  T194] RBP: 00007fffc47f2ea0 R08: 0000000000000000 R09: 0000000000000000
[    9.316399][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c891
[    9.316610][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc47f3600
| [    9.332738][  T194] ------------[ cut here ]------------
| [    9.332902][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [    9.333140][  T194] Modules linked in: veth
| [    9.334083][  T194] Tainted: [W]=WARN
[    9.334190][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.334363][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.334546][  T194] 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
[    9.335026][  T194] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[    9.335199][  T194] RAX: 00000000ffffffa6 RBX: ff1100000c444580 RCX: 1ff40000000f4dfc
[    9.335399][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c444638
[    9.335604][  T194] RBP: ff1100000c484000 R08: 1fe22000018888c8 R09: ff1100000cb05180
[    9.335803][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.336007][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.336212][  T194] FS:  00007fe46bc8e840(0000) GS:ff110000ac230000(0000) knlGS:0000000000000000
[    9.336450][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.336624][  T194] CR2: 000000000042ebe0 CR3: 000000000c517002 CR4: 0000000000771ef0
[    9.336824][  T194] PKRU: 55555554
[    9.336930][  T194] Call Trace:
[    9.337033][  T194]  <TASK>
[    9.337103][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.337248][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.337352][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.337495][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.337633][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.337766][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.337910][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.338048][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.338193][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.338330][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.338473][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.338616][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.338759][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.338901][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.339039][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.339183][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.339317][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.339451][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.339595][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.339731][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.339868][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.340006][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.340144][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.340285][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.340422][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.340562][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.340697][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.340831][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.340972][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.341113][  T194]  ? 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))
[    9.341254][  T194]  ? 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))
[    9.341390][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.341531][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.341665][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.341802][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.341952][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.342088][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.342228][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.342366][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.342505][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.342673][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.342811][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.342952][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.343087][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.343242][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.343381][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.343524][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.343664][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.343798][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.343942][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.344078][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.344221][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.344359][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.344531][  T194] RIP: 0033:0x7fe46bec808e
[    9.344671][  T194] 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
[    9.345158][  T194] RSP: 002b:00007fffc47f2e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.345364][  T194] RAX: ffffffffffffffda RBX: 00007fffc47f3628 RCX: 00007fe46bec808e
[    9.345571][  T194] RDX: 0000000000000000 RSI: 00007fffc47f2f40 RDI: 0000000000000005
[    9.345772][  T194] RBP: 00007fffc47f2ea0 R08: 0000000000000000 R09: 0000000000000000
[    9.345980][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c891


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