======================================
| xx__-> [    9.177581][  T185] ------------[ cut here ]------------
| [    9.177859][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.178121][  T185] Modules linked in: veth
| [    9.178560][  T185] Tainted: [W]=WARN
[    9.178674][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.178860][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.179062][  T185] 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
[    9.179575][  T185] RSP: 0018:ffa0000000826e30 EFLAGS: 00010286
[    9.179762][  T185] RAX: 00000000ffffffa6 RBX: ff110000027f9a80 RCX: 1ff4000000104d8c
[    9.179988][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000027f9b38
[    9.180204][  T185] RBP: ff110000087e9000 R08: 1fe22000004ff368 R09: ff1100000ce52e80
[    9.180417][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.180689][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c0c1580
[    9.180912][  T185] FS:  00007ff279de4840(0000) GS:ff110000ac1b0000(0000) knlGS:0000000000000000
[    9.181170][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.181351][  T185] CR2: 000000000042ebe0 CR3: 000000000c108004 CR4: 0000000000771ef0
[    9.181568][  T185] PKRU: 55555554
[    9.181682][  T185] Call Trace:
[    9.181793][  T185]  <TASK>
[    9.181874][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.182059][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.182205][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.182313][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.182459][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.182604][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.182747][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.182896][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.183044][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.183188][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.183330][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.183476][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.183623][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.183765][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.183916][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.184068][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.184246][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.184391][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.184538][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.184729][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.184893][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.185044][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.185185][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.185328][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.185470][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.185619][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.185761][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.185910][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.186059][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.186205][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.186348][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.186490][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.186637][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.186779][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.186926][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.187079][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.187325][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.187467][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.187624][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.187766][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.187915][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.188064][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.188207][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.188353][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.188499][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.188745][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.189006][  T185]  ? 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))
[    9.189149][  T185]  ? 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))
[    9.189392][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.189540][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.189691][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.189941][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.190088][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.190234][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.190379][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.190524][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.190673][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.190856][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.191008][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.191151][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.191486][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.191744][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.191995][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.192139][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.192283][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.192427][  T185]  ? 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)
[    9.192572][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.192825][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.193070][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.193214][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.193356][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.193502][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.193782][  T185] RIP: 0033:0x7ff27a01e08e
[    9.194049][  T185] 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
[    9.194558][  T185] RSP: 002b:00007ffe684c6480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.194779][  T185] RAX: ffffffffffffffda RBX: 00007ffe684c6c18 RCX: 00007ff27a01e08e
[    9.195006][  T185] RDX: 0000000000000000 RSI: 00007ffe684c6530 RDI: 0000000000000005
[    9.195221][  T185] RBP: 00007ffe684c6490 R08: 0000000000000000 R09: 0000000000000000
[    9.195434][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce93
[    9.195753][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe684c6bf0
| [    9.216482][  T185] ------------[ cut here ]------------
| [    9.216644][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.216900][  T185] Modules linked in: veth
| [    9.217302][  T185] Tainted: [W]=WARN
[    9.217409][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.217583][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.217771][  T185] 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
[    9.218276][  T185] RSP: 0018:ffa00000008271b0 EFLAGS: 00010286
[    9.218450][  T185] RAX: 00000000ffffffa6 RBX: ff110000095a6ac0 RCX: 1ff4000000104dfc
[    9.218661][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095a6b78
[    9.218873][  T185] RBP: ff1100000a07c000 R08: 1fe22000012b4d70 R09: ff1100000ce52e80
[    9.219089][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.219298][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.219507][  T185] FS:  00007ff279de4840(0000) GS:ff110000ac1b0000(0000) knlGS:0000000000000000
[    9.219753][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.220048][  T185] CR2: 000000000042ebe0 CR3: 000000000c108004 CR4: 0000000000771ef0
[    9.220266][  T185] PKRU: 55555554
[    9.220369][  T185] Call Trace:
[    9.220541][  T185]  <TASK>
[    9.220618][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.220758][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.220952][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.221092][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.221232][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.221371][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.221516][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.221663][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.221802][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.222031][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.222170][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.222313][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.222453][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.222600][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.222739][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.222890][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.223032][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.223171][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.223312][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.223451][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.223598][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.223735][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.223878][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.224018][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.224159][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.224296][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.224434][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.224576][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.224723][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.224869][  T185]  ? 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))
[    9.225014][  T185]  ? 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))
[    9.225155][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.225295][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.225434][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.225576][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.225724][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.225868][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.226015][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.226154][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.226291][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.226464][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.226614][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.226753][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.226905][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.227063][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.227203][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.227342][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.227482][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.227630][  T185]  ? 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)
[    9.227771][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.227917][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.228063][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.228202][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.228340][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.228481][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.228658][  T185] RIP: 0033:0x7ff27a01e08e
[    9.228805][  T185] 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
[    9.229306][  T185] RSP: 002b:00007ffe684c6480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.229517][  T185] RAX: ffffffffffffffda RBX: 00007ffe684c6c18 RCX: 00007ff27a01e08e
[    9.229731][  T185] RDX: 0000000000000000 RSI: 00007ffe684c6530 RDI: 0000000000000005
[    9.229951][  T185] RBP: 00007ffe684c6490 R08: 0000000000000000 R09: 0000000000000000
[    9.230159][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce93
[    9.230365][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe684c6bf0
| [    9.358866][  T192] ------------[ cut here ]------------
| [    9.359059][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.359319][  T192] Modules linked in: veth
| [    9.359736][  T192] Tainted: [W]=WARN
[    9.359854][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.360038][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.360228][  T192] 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
[    9.360750][  T192] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.360947][  T192] RAX: 00000000ffffffa6 RBX: ff1100000d6ac200 RCX: 1ff4000000118d8c
[    9.361171][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6ac2b8
[    9.361384][  T192] RBP: ff1100000a0dc000 R08: 1fe2200001ad5858 R09: ff1100000c832e80
[    9.361605][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.361825][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1af180
[    9.362047][  T192] FS:  00007facf3132840(0000) GS:ff110000ac330000(0000) knlGS:0000000000000000
[    9.362301][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.362483][  T192] CR2: 000000000042ebe0 CR3: 000000000cd17003 CR4: 0000000000771ef0
[    9.362703][  T192] PKRU: 55555554
[    9.362822][  T192] Call Trace:
[    9.362930][  T192]  <TASK>
[    9.363009][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.363162][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.363272][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.363452][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.363606][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.363747][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.363897][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.364047][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.364202][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.364347][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.364493][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.364641][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.364784][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.364934][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.365085][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.365232][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.365424][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.365570][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.365719][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.365882][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.366032][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.366179][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.366323][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.366467][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.366619][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.366762][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.366912][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.367058][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.367211][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.367361][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.367509][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.367658][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.367803][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.368026][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.368172][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.368318][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.368461][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.368611][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.368753][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.368978][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.369121][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.369268][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.369408][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.369556][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.369703][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.369907][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.370056][  T192]  ? 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))
[    9.370275][  T192]  ? 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))
[    9.370418][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.370564][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.370711][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.370894][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.371042][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.371186][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.371332][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.371478][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.371626][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.371802][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.371957][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.372100][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.372246][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.372398][  T192]  ? 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))
[    9.372549][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.372700][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.372854][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.373009][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.373155][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.373300][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.373444][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.373602][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.373784][  T192] RIP: 0033:0x7facf336c08e
[    9.373946][  T192] 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
[    9.374460][  T192] RSP: 002b:00007fffd3363ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.374687][  T192] RAX: ffffffffffffffda RBX: 00007fffd3364638 RCX: 00007facf336c08e
[    9.374906][  T192] RDX: 0000000000000000 RSI: 00007fffd3363f50 RDI: 0000000000000005
[    9.375150][  T192] RBP: 00007fffd3363eb0 R08: 0000000000000000 R09: 0000000000000000
[    9.375364][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce93
[    9.375580][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd3364610
| [    9.429907][  T192] ------------[ cut here ]------------
| [    9.430083][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.430326][  T192] Modules linked in: veth
| [    9.430782][  T192] Tainted: [W]=WARN
[    9.430896][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.431073][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.431255][  T192] 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
[    9.431752][  T192] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.431940][  T192] RAX: 00000000ffffffa6 RBX: ff1100000b735540 RCX: 1ff4000000118dfc
[    9.432153][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b7355f8
[    9.432357][  T192] RBP: ff11000008b41000 R08: 1fe22000016e6ac0 R09: ff1100000c832e80
[    9.432566][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.432777][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.432997][  T192] FS:  00007facf3132840(0000) GS:ff110000ac330000(0000) knlGS:0000000000000000
[    9.433240][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.433416][  T192] CR2: 00007f0c69b96d80 CR3: 000000000cd17003 CR4: 0000000000771ef0
[    9.433633][  T192] PKRU: 55555554
[    9.433737][  T192] Call Trace:
[    9.433848][  T192]  <TASK>
[    9.433922][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.434071][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.434178][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.434318][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.434457][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.434601][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.434742][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.434889][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.435033][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.435171][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.435309][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.435451][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.435599][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.435738][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.435883][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.436028][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436166][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.436302][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436446][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436585][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436732][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.436876][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.437017][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437153][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.437294][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.437432][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.437573][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.437717][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437861][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.438008][  T192]  ? 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))
[    9.438148][  T192]  ? 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))
[    9.438290][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.438429][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.438569][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.438713][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.438858][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.439003][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.439146][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.439289][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.439426][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.439602][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.439744][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.439887][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.440029][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.440177][  T192]  ? 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))
[    9.440319][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.440458][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.440607][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.440746][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.440889][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.441032][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.441169][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.441308][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.441480][  T192] RIP: 0033:0x7facf336c08e
[    9.441628][  T192] 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
[    9.442124][  T192] RSP: 002b:00007fffd3363ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.442332][  T192] RAX: ffffffffffffffda RBX: 00007fffd3364638 RCX: 00007facf336c08e
[    9.442538][  T192] RDX: 0000000000000000 RSI: 00007fffd3363f50 RDI: 0000000000000005
[    9.442747][  T192] RBP: 00007fffd3363eb0 R08: 0000000000000000 R09: 0000000000000000
[    9.442959][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce93


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