======================================
| xx__-> [    9.364800][  T185] ------------[ cut here ]------------
| [    9.365059][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.365348][  T185] Modules linked in: veth
| [    9.365852][  T185] Tainted: [W]=WARN
[    9.366035][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.366255][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.366533][  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
[    9.367133][  T185] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[    9.367348][  T185] RAX: 00000000ffffffa6 RBX: ff110000112bb540 RCX: 1ff4000000116d8c
[    9.367593][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000112bb5f8
[    9.367837][  T185] RBP: ff11000010e5c000 R08: 1fe22000022576c0 R09: ff11000012cb0b80
[    9.368100][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.368349][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004b7e000
[    9.368596][  T185] FS:  00007f5ff162e840(0000) GS:ff110000970b0000(0000) knlGS:0000000000000000
[    9.368897][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.369121][  T185] CR2: 000000000042ebe0 CR3: 0000000014e3c002 CR4: 0000000000771ef0
[    9.369369][  T185] PKRU: 55555554
[    9.369515][  T185] Call Trace:
[    9.369662][  T185]  <TASK>
[    9.369777][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.370018][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.370211][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.370359][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.370558][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.370737][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.371040][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.371228][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.371500][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.371682][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.371861][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.372066][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.372258][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.372435][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.372616][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.372796][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.373029][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.373220][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.373395][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.373593][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.373769][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.373974][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.374161][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.374339][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.374516][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.374791][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.375088][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.375274][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.375458][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.375642][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.375820][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.376017][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.376207][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.376383][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.376562][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.376744][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.376944][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.377130][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.377307][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.377482][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.377661][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.377960][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.378145][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.378326][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.378502][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.378775][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.378981][  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))
[    9.379165][  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))
[    9.379438][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.379622][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.379909][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.380089][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.380277][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.380457][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.380641][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.380820][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.381171][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.381384][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.381569][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.381744][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.382041][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.382245][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.382518][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.382701][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.382897][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.383115][  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)
[    9.383387][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.383567][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.383743][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.383945][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.384131][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.384408][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.384712][  T185] RIP: 0033:0x7f5ff186808e
[    9.384918][  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
[    9.385643][  T185] RSP: 002b:00007fff11d1d2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.385912][  T185] RAX: ffffffffffffffda RBX: 00007fff11d1da58 RCX: 00007f5ff186808e
[    9.386168][  T185] RDX: 0000000000000000 RSI: 00007fff11d1d370 RDI: 0000000000000005
[    9.386406][  T185] RBP: 00007fff11d1d2d0 R08: 0000000000000000 R09: 0000000000000000
[    9.386651][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbed
[    9.387016][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff11d1da30
| [    9.398738][  T185] ------------[ cut here ]------------
| [    9.398933][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [    9.399210][  T185] Modules linked in: veth
| [    9.399658][  T185] Tainted: [W]=WARN
[    9.399798][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.400077][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.400299][  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
[    9.400793][  T185] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[    9.401022][  T185] RAX: 00000000ffffffa6 RBX: ff11000011f88040 RCX: 1ff4000000116dfc
[    9.401264][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011f880f8
[    9.401502][  T185] RBP: ff110000134b4000 R08: 1fe22000023f1020 R09: ff11000012cb0b80
[    9.401733][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.401988][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.402233][  T185] FS:  00007f5ff162e840(0000) GS:ff110000970b0000(0000) knlGS:0000000000000000
[    9.402507][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.402718][  T185] CR2: 000000000042ebe0 CR3: 0000000014e3c002 CR4: 0000000000771ef0
[    9.402976][  T185] PKRU: 55555554
[    9.403128][  T185] Call Trace:
[    9.403271][  T185]  <TASK>
[    9.403384][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.403563][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.403710][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.403901][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.404076][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.404255][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.404428][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.404600][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.404770][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.404972][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.405154][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.405330][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.405505][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.405677][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.405846][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.406037][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.406217][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.406391][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406568][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.406738][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.406931][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.407104][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.407283][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.407454][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.407628][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.407799][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.407998][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.408180][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.408357][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.408532][  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))
[    9.408701][  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))
[    9.408880][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.409075][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.409255][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.409429][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.409604][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.409776][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409973][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.410190][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.410361][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.410567][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.410743][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.410935][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.411117][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.411302][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.411474][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.411646][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.411822][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.412021][  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)
[    9.412201][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.412375][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.412548][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.412720][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.412908][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.413083][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.413291][  T185] RIP: 0033:0x7f5ff186808e
[    9.413468][  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
[    9.413976][  T185] RSP: 002b:00007fff11d1d2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.414221][  T185] RAX: ffffffffffffffda RBX: 00007fff11d1da58 RCX: 00007f5ff186808e
[    9.414454][  T185] RDX: 0000000000000000 RSI: 00007fff11d1d370 RDI: 0000000000000005
[    9.414685][  T185] RBP: 00007fff11d1d2d0 R08: 0000000000000000 R09: 0000000000000000
[    9.414935][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbed
[    9.415179][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff11d1da30
| [    9.557798][  T192] ------------[ cut here ]------------
| [    9.558013][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [    9.558261][  T192] Modules linked in: veth
| [    9.558642][  T192] Tainted: [W]=WARN
[    9.558741][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.558921][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.559101][  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
[    9.559591][  T192] RSP: 0018:ffa0000000856e30 EFLAGS: 00010286
[    9.559756][  T192] RAX: 00000000ffffffa6 RBX: ff11000014c6c3c0 RCX: 1ff400000010ad8c
[    9.559960][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000014c6c478
[    9.560157][  T192] RBP: ff11000007971000 R08: 1fe220000298d890 R09: ff1100001330ae80
[    9.560347][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.560538][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000110bfc00
[    9.560736][  T192] FS:  00007fee70968840(0000) GS:ff11000096fb0000(0000) knlGS:0000000000000000
[    9.560977][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.561146][  T192] CR2: 00007fee70d5dc70 CR3: 0000000014fe7001 CR4: 0000000000771ef0
[    9.561338][  T192] PKRU: 55555554
[    9.561436][  T192] Call Trace:
[    9.561534][  T192]  <TASK>
[    9.561603][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.561737][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.561837][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.562014][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.562149][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.562276][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.562403][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.562530][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.562663][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.562795][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.562939][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.563070][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.563203][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.563332][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.563462][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.563594][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.563754][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.563893][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.564021][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.564169][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.564297][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.564428][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.564558][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.564690][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.564820][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.564963][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.565089][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.565226][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.565364][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.565500][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.565638][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.565771][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.565915][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.566045][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.566181][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.566316][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.566449][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.566578][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.566710][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.566841][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.566982][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.567130][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.567265][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.567401][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.567533][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.567669][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.567807][  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))
[    9.567952][  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))
[    9.568086][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.568226][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.568357][  T192]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.568491][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.568629][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.568764][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.568909][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.569046][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.569187][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.569319][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.569483][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.569619][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.569749][  T192]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[    9.569929][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.570065][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.570202][  T192]  ? rcu_read_unlock_special (kernel/rcu/tree_plugin.h:736 (discriminator 10))
[    9.570342][  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))
[    9.570476][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.570614][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.570753][  T192]  ? 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)
[    9.570898][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.571030][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.571168][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.571303][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.571439][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.571577][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.571741][  T192] RIP: 0033:0x7fee70ba208e
[    9.571893][  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
[    9.572376][  T192] RSP: 002b:00007ffec619ce20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.572583][  T192] RAX: ffffffffffffffda RBX: 00007ffec619d5b8 RCX: 00007fee70ba208e
[    9.572783][  T192] RDX: 0000000000000000 RSI: 00007ffec619ced0 RDI: 0000000000000005
[    9.572989][  T192] RBP: 00007ffec619ce30 R08: 0000000000000000 R09: 0000000000000000
[    9.573195][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbed
[    9.573396][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec619d590
| [    9.582266][  T192] ------------[ cut here ]------------
| [    9.582409][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/192
| [    9.582639][  T192] Modules linked in: veth
| [    9.583579][  T192] Tainted: [W]=WARN
[    9.583681][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.583842][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.584085][  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
[    9.584545][  T192] RSP: 0018:ffa00000008571b0 EFLAGS: 00010286
[    9.584710][  T192] RAX: 00000000ffffffa6 RBX: ff110000135578c0 RCX: 1ff400000010adfc
[    9.584968][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013557978
[    9.585170][  T192] RBP: ff11000012e54000 R08: 1fe22000026aaf30 R09: ff1100001330ae80
[    9.585363][  T192] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.585552][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.585744][  T192] FS:  00007fee70968840(0000) GS:ff11000096fb0000(0000) knlGS:0000000000000000
[    9.586034][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.586197][  T192] CR2: 00007fee70d5dc70 CR3: 0000000014fe7001 CR4: 0000000000771ef0
[    9.586386][  T192] PKRU: 55555554
[    9.586481][  T192] Call Trace:
[    9.586578][  T192]  <TASK>
[    9.586645][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.586775][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.586878][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.587075][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.587208][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.587332][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.587461][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.587590][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.587717][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.587844][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.588036][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.588180][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.588314][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.588443][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.588574][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.588703][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.588830][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.589020][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.589161][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.589292][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.589421][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.589548][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.589676][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.589800][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.589991][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.590120][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.590248][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.590376][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.590504][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.590636][  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))
[    9.590762][  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))
[    9.591065][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.591200][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.591328][  T192]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.591455][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.591583][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.591712][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.591839][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.592038][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.592228][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.592355][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.592512][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.592641][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.592769][  T192]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[    9.592994][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.593128][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.593253][  T192]  ? rcu_read_unlock_special (kernel/rcu/tree_plugin.h:736 (discriminator 10))
[    9.593392][  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))
[    9.593521][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.593649][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.593780][  T192]  ? 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)
[    9.593973][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.594098][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.594233][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.594360][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.594490][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.594618][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.594779][  T192] RIP: 0033:0x7fee70ba208e
[    9.594979][  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
[    9.595434][  T192] RSP: 002b:00007ffec619ce20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.595629][  T192] RAX: ffffffffffffffda RBX: 00007ffec619d5b8 RCX: 00007fee70ba208e
[    9.596076][  T192] RDX: 0000000000000000 RSI: 00007ffec619ced0 RDI: 0000000000000005
[    9.596459][  T192] RBP: 00007ffec619ce30 R08: 0000000000000000 R09: 0000000000000000
[    9.596654][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbed
[    9.597009][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec619d590
| [    9.796672][  T202] ------------[ cut here ]------------
| [    9.796919][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [    9.797216][  T202] Modules linked in: veth
| [    9.797693][  T202] Tainted: [W]=WARN
[    9.797852][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.798191][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.798486][  T202] 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
[    9.799190][  T202] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[    9.799506][  T202] RAX: 00000000ffffffa6 RBX: ff11000001f03a80 RCX: 1ff40000000c2d8c
[    9.799859][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f03b38
[    9.800250][  T202] RBP: ff11000012909000 R08: 1fe22000003e0768 R09: ff11000012f12e80
[    9.800589][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.800948][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011f6e700
[    9.801304][  T202] FS:  00007f154aa5f840(0000) GS:ff110000970b0000(0000) knlGS:0000000000000000
[    9.801699][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.802201][  T202] CR2: 00007f154abf9000 CR3: 000000001130f001 CR4: 0000000000771ef0
[    9.802536][  T202] PKRU: 55555554
[    9.802786][  T202] Call Trace:
[    9.803034][  T202]  <TASK>
[    9.803264][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.803533][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.803802][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.804055][  T202]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.804343][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.804636][  T202]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.804945][  T202]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.805223][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.805505][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.805804][  T202]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.806092][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.806374][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.806672][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.806963][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.807242][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.807510][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.807767][  T202]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.808065][  T202] veth_newlink (drivers/net/veth.c:1871) veth
[    9.808354][  T202]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.808677][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.808986][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.809262][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.809551][  T202]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.809836][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.810136][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.810367][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.810541][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.810720][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.810918][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.811096][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.811281][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.811465][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.811649][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.811825][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.812025][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.812211][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.812388][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.812565][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.812767][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.812966][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.813151][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.813329][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.813506][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.813681][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.813861][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.814060][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.814250][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.814429][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.814609][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.814789][  T202]  ? 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))
[    9.814987][  T202]  ? 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))
[    9.815174][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.815353][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.815530][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.815711][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.815946][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.816138][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.816316][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.816497][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.816674][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.816897][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.817084][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.817289][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.817470][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.817657][  T202]  ? 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))
[    9.817837][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.818040][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.818227][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.818404][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.818583][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.818760][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.818976][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.819170][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.819379][  T202] RIP: 0033:0x7f154ac9908e
[    9.819562][  T202] 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
[    9.820127][  T202] RSP: 002b:00007ffce8e9f2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.820376][  T202] RAX: ffffffffffffffda RBX: 00007ffce8e9fa48 RCX: 00007f154ac9908e
[    9.820617][  T202] RDX: 0000000000000000 RSI: 00007ffce8e9f360 RDI: 0000000000000005
[    9.820856][  T202] RBP: 00007ffce8e9f2c0 R08: 0000000000000000 R09: 0000000000000000
[    9.821126][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbee
[    9.821368][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8e9fa20
| [    9.844061][  T202] ------------[ cut here ]------------
| [    9.844284][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [    9.844553][  T202] Modules linked in: veth
| [    9.845832][  T202] Tainted: [W]=WARN
[    9.846032][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.846273][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.846485][  T202] 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
[    9.847044][  T202] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[    9.847259][  T202] RAX: 00000000ffffffa6 RBX: ff1100000752ac80 RCX: 1ff40000000c2dfc
[    9.847493][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000752ad38
[    9.847749][  T202] RBP: ff11000007d89000 R08: 1fe2200000ea55a8 R09: ff11000012f12e80
[    9.848008][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.848250][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.848483][  T202] FS:  00007f154aa5f840(0000) GS:ff110000970b0000(0000) knlGS:0000000000000000
[    9.848750][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.848977][  T202] CR2: 00007f154abf9000 CR3: 000000001130f001 CR4: 0000000000771ef0
[    9.849222][  T202] PKRU: 55555554
[    9.849374][  T202] Call Trace:
[    9.849516][  T202]  <TASK>
[    9.849628][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.849802][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.849968][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.850151][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.850324][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.850496][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.850673][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.850846][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.851040][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.851218][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.851392][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.851572][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.851751][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.851951][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.852130][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.852307][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.852478][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.852673][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.852877][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.853067][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.853250][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.853423][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.853598][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.853769][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.853971][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.854150][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.854326][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.854498][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.854672][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.854848][  T202]  ? 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))
[    9.855038][  T202]  ? 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))
[    9.855247][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.855431][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.855606][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.855782][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.855999][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.856185][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.856359][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.856540][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.856715][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.856940][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.857127][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.857298][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.857470][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.857651][  T202]  ? 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))
[    9.857845][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.858040][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.858228][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.858403][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.858575][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.858749][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.858944][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.859129][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.859330][  T202] RIP: 0033:0x7f154ac9908e
[    9.859527][  T202] 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
[    9.860039][  T202] RSP: 002b:00007ffce8e9f2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.860425][  T202] RAX: ffffffffffffffda RBX: 00007ffce8e9fa48 RCX: 00007f154ac9908e
[    9.860662][  T202] RDX: 0000000000000000 RSI: 00007ffce8e9f360 RDI: 0000000000000005
[    9.860910][  T202] RBP: 00007ffce8e9f2c0 R08: 0000000000000000 R09: 0000000000000000
[    9.861372][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cbee


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