======================================
| xx__-> [    9.045312][  T186] ------------[ cut here ]------------
| [    9.045532][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.045793][  T186] Modules linked in: veth
| [    9.046247][  T186] Tainted: [W]=WARN
[    9.046355][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.046534][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.046731][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.047606][  T186] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[    9.047988][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b702900 RCX: 1ff4000000126d8c
[    9.048476][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b7029b8
[    9.048807][  T186] RBP: ff11000008a41000 R08: 1fe22000016e0538 R09: ff1100000c72ae80
[    9.049066][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.049284][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f0dc80
[    9.049497][  T186] FS:  00007f432a375840(0000) GS:ff110000991b0000(0000) knlGS:0000000000000000
[    9.049754][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.049943][  T186] CR2: 000000000042ebe0 CR3: 000000000bbff002 CR4: 0000000000771ef0
[    9.050165][  T186] PKRU: 55555554
[    9.050277][  T186] Call Trace:
[    9.050382][  T186]  <TASK>
[    9.050456][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.050642][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.050786][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.050898][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.051050][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.051202][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.051345][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.051487][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.051637][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.051788][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.051934][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.052075][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.052229][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.052370][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.052519][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.052668][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.052845][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.052992][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.053133][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.053295][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.053445][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.053690][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.053830][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.053977][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.054120][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.054274][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.054512][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.054657][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.054804][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.054952][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.055094][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.055345][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.055493][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.055734][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.055875][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.056023][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.056165][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.056311][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.056454][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.056599][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.056746][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.056891][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.057035][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.057183][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.057325][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.057466][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.057617][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.057758][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.057910][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.058147][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.058293][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.058435][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.058583][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.058726][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.058973][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.059115][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.059261][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.059443][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.059594][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.059742][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.059883][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.060041][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.060187][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.060431][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.060580][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.060724][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.060867][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.061009][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.061255][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.061395][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.061537][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.061690][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.061867][  T186] RIP: 0033:0x7f432a5af08e
[    9.062027][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.062753][  T186] RSP: 002b:00007ffe9cd7bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.062971][  T186] RAX: ffffffffffffffda RBX: 00007ffe9cd7c508 RCX: 00007f432a5af08e
[    9.063187][  T186] RDX: 0000000000000000 RSI: 00007ffe9cd7be20 RDI: 0000000000000005
[    9.063496][  T186] RBP: 00007ffe9cd7bd80 R08: 0000000000000000 R09: 0000000000000000
[    9.063810][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[    9.064120][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9cd7c4e0
| [    9.081749][  T186] ------------[ cut here ]------------
| [    9.081918][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    9.082161][  T186] Modules linked in: veth
| [    9.082620][  T186] Tainted: [W]=WARN
[    9.082725][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.082903][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.083083][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.083651][  T186] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[    9.083827][  T186] RAX: 00000000ffffffa6 RBX: ff11000004b30e40 RCX: 1ff4000000126dfc
[    9.084037][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b30ef8
[    9.084304][  T186] RBP: ff1100000973c000 R08: 1fe22000009661e0 R09: ff1100000c72ae80
[    9.084513][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.084724][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.084934][  T186] FS:  00007f432a375840(0000) GS:ff11000099230000(0000) knlGS:0000000000000000
[    9.085236][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.085419][  T186] CR2: 00005641f89fde68 CR3: 000000000bbff001 CR4: 0000000000771ef0
[    9.085631][  T186] PKRU: 55555554
[    9.085789][  T186] Call Trace:
[    9.085896][  T186]  <TASK>
[    9.085969][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.086109][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.086271][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.086412][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.086554][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.086695][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.086834][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.086974][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.087112][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.087305][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.087442][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.087591][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.087732][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.087871][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.088010][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.088149][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.088340][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.088476][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088623][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088761][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.088904][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.089041][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.089235][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.089371][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.089510][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.089652][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.089790][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.089934][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.090073][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.090270][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.090406][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.090545][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.090688][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.090826][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.090970][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.091110][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.091312][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.091453][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.091596][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.091733][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.091905][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.092046][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.092238][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.092374][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.092525][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.092667][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.092804][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.092941][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.093081][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.093278][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.093415][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.093559][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.093697][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.093834][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.093973][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.094142][  T186] RIP: 0033:0x7f432a5af08e
[    9.094349][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.094841][  T186] RSP: 002b:00007ffe9cd7bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.095052][  T186] RAX: ffffffffffffffda RBX: 00007ffe9cd7c508 RCX: 00007f432a5af08e
[    9.095328][  T186] RDX: 0000000000000000 RSI: 00007ffe9cd7be20 RDI: 0000000000000005
[    9.095534][  T186] RBP: 00007ffe9cd7bd80 R08: 0000000000000000 R09: 0000000000000000
[    9.095760][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[    9.095969][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9cd7c4e0
| [    9.265138][  T194] ------------[ cut here ]------------
| [    9.265344][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.265629][  T194] Modules linked in: veth
| [    9.266050][  T194] Tainted: [W]=WARN
[    9.266161][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.266352][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.266546][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.267075][  T194] RSP: 0018:ffa00000004f6e30 EFLAGS: 00010286
[    9.268190][  T194] RAX: 00000000ffffffa6 RBX: ff1100000d6b2580 RCX: 1ff400000009ed8c
[    9.268421][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6b2638
[    9.268645][  T194] RBP: ff11000008519000 R08: 1fe2200001ad64c8 R09: ff1100000d0b8b80
[    9.268865][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.269085][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f63c00
[    9.269407][  T194] FS:  00007f0b1dcd9840(0000) GS:ff11000099330000(0000) knlGS:0000000000000000
[    9.269705][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.269899][  T194] CR2: 00007f0b1e040f6d CR3: 000000000b8b0006 CR4: 0000000000771ef0
[    9.270117][  T194] PKRU: 55555554
[    9.270327][  T194] Call Trace:
[    9.270455][  T194]  <TASK>
[    9.270532][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.270689][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.270800][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.270986][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.271131][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.271381][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.271534][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.271684][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.271832][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.271981][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.272126][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.272361][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.272506][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.272657][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.272804][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.272955][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.273136][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.273399][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.273544][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.273713][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.273860][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.274011][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.274156][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.274387][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.274534][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.274687][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.274830][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.274976][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.275126][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.275381][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.275528][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.275690][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.275842][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.275991][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.276137][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.276393][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.276541][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.276694][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.276840][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.276990][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.277133][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.277375][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.277533][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.277705][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.277848][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.277998][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.278149][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.278374][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.278521][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.278693][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.278839][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.278990][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.279137][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.279367][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.279517][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.279670][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.279836][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.280026][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.280232][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.280378][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.280525][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.280684][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.280832][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.280979][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.281130][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.281316][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.281465][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.281619][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.281777][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.281930][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.282114][  T194] RIP: 0033:0x7f0b1df1308e
[    9.282273][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.283264][  T194] RSP: 002b:00007ffd43cc4d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.283484][  T194] RAX: ffffffffffffffda RBX: 00007ffd43cc5498 RCX: 00007f0b1df1308e
[    9.283706][  T194] RDX: 0000000000000000 RSI: 00007ffd43cc4db0 RDI: 0000000000000005
[    9.283928][  T194] RBP: 00007ffd43cc4d10 R08: 0000000000000000 R09: 0000000000000000
[    9.284149][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[    9.284371][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd43cc5470
| [    9.308583][  T194] ------------[ cut here ]------------
| [    9.308768][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.309062][  T194] Modules linked in: veth
| [    9.309708][  T194] Tainted: [W]=WARN
[    9.309813][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.309994][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.310184][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.310697][  T194] RSP: 0018:ffa00000004f71b0 EFLAGS: 00010286
[    9.310876][  T194] RAX: 00000000ffffffa6 RBX: ff1100000e8fe580 RCX: 1ff400000009edfc
[    9.311090][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e8fe638
[    9.311304][  T194] RBP: ff11000008891000 R08: 1fe2200001d1fcc8 R09: ff1100000d0b8b80
[    9.311515][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.311730][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.311943][  T194] FS:  00007f0b1dcd9840(0000) GS:ff11000099330000(0000) knlGS:0000000000000000
[    9.312193][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.312370][  T194] CR2: 00007f0b1e040f6d CR3: 000000000b8b0006 CR4: 0000000000771ef0
[    9.312583][  T194] PKRU: 55555554
[    9.312688][  T194] Call Trace:
[    9.312793][  T194]  <TASK>
[    9.312868][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.313012][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.313121][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.313268][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.313410][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.313555][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.313698][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.313839][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.313985][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.314125][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.314271][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.314418][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.314568][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.314709][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.314847][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.314991][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.315131][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.315277][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.315421][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.315584][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.315726][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.315880][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.316025][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.316164][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.316311][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.316451][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.316597][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.316736][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.316876][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.317022][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.317161][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.317308][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.317449][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.317594][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.317748][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.317904][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.318050][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.318200][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.318340][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.318479][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.318658][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.318802][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.318956][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.319100][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.319261][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.319404][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.319560][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.319706][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.319846][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.319990][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.320138][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.320283][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.320423][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.320605][  T194] RIP: 0033:0x7f0b1df1308e
[    9.320753][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.321261][  T194] RSP: 002b:00007ffd43cc4d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.321472][  T194] RAX: ffffffffffffffda RBX: 00007ffd43cc5498 RCX: 00007f0b1df1308e
[    9.321708][  T194] RDX: 0000000000000000 RSI: 00007ffd43cc4db0 RDI: 0000000000000005
[    9.321921][  T194] RBP: 00007ffd43cc4d10 R08: 0000000000000000 R09: 0000000000000000
[    9.322141][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[    9.322374][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd43cc5470
| [    9.478441][  T200] ------------[ cut here ]------------
| [    9.478685][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.479003][  T200] Modules linked in: veth
| [    9.480090][  T200] Tainted: [W]=WARN
[    9.480266][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.480499][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.480750][  T200] 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
[    9.481335][  T200] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[    9.481577][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b702200 RCX: 1ff40000000c2d8c
[    9.481852][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b7022b8
[    9.482124][  T200] RBP: ff1100000cdc1000 R08: 1fe22000016e0458 R09: ff1100000c760b80
[    9.482402][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.482674][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f6a000
[    9.482952][  T200] FS:  00007fbde76b0840(0000) GS:ff110000992b0000(0000) knlGS:0000000000000000
[    9.483268][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.483510][  T200] CR2: 000000000042ebe0 CR3: 000000000d0f7006 CR4: 0000000000771ef0
[    9.483802][  T200] PKRU: 55555554
[    9.483973][  T200] Call Trace:
[    9.484136][  T200]  <TASK>
[    9.484274][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.484471][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.484677][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.484842][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.485047][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.485258][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.485453][  T200]  ? 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)
[    9.485657][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.485852][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.486055][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.486264][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.486459][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.486665][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.486863][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.487064][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.487272][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.487472][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.487683][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.487887][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.488126][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.488337][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.488536][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.488762][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.488970][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.489186][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.489381][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.489587][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.489783][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.489987][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.490194][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.490391][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.490604][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.490808][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.491016][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.491227][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.491425][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.491627][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.491822][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.492029][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.492234][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.492431][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.492635][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.492830][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.493034][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.493245][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.493439][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.493642][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.493836][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.494043][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.494257][  T200]  ? 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))
[    9.494453][  T200]  ? 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))
[    9.494660][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.494858][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.495057][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.495266][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.495464][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.495670][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.495870][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.496074][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.496284][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.496513][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.496721][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.496920][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.497121][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.497345][  T200]  ? 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))
[    9.497543][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.497748][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.497954][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.498152][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.498362][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.498566][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.498763][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.498972][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.499216][  T200] RIP: 0033:0x7fbde78ea08e
[    9.499419][  T200] 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
[    9.499986][  T200] RSP: 002b:00007fff63bcd1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.500272][  T200] RAX: ffffffffffffffda RBX: 00007fff63bcd988 RCX: 00007fbde78ea08e
[    9.500536][  T200] RDX: 0000000000000000 RSI: 00007fff63bcd2a0 RDI: 0000000000000005
[    9.500810][  T200] RBP: 00007fff63bcd200 R08: 0000000000000000 R09: 0000000000000000
[    9.501081][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede
[    9.501363][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff63bcd960
| [    9.511888][  T200] ------------[ cut here ]------------
| [    9.512087][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.512399][  T200] Modules linked in: veth
| [    9.512988][  T200] Tainted: [W]=WARN
[    9.513152][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.513389][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.513632][  T200] 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
[    9.514263][  T200] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[    9.514562][  T200] RAX: 00000000ffffffa6 RBX: ff1100000d7d2200 RCX: 1ff40000000c2dfc
[    9.514838][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7d22b8
[    9.515101][  T200] RBP: ff110000088a9000 R08: 1fe2200001afa458 R09: ff1100000c760b80
[    9.515373][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.515638][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.515898][  T200] FS:  00007fbde76b0840(0000) GS:ff110000992b0000(0000) knlGS:0000000000000000
[    9.516210][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.516478][  T200] CR2: 000000000042ebe0 CR3: 000000000d0f7006 CR4: 0000000000771ef0
[    9.516744][  T200] PKRU: 55555554
[    9.516905][  T200] Call Trace:
[    9.517065][  T200]  <TASK>
[    9.517202][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.517395][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.517562][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.517755][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.517955][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.518148][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.518360][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.518562][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.518753][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.518951][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.519145][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.519356][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.519559][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.519754][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.519954][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.520147][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.520352][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.520545][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520750][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.520949][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.521141][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.521350][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.521542][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.521743][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.521944][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.522135][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.522340][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.522531][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.522742][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.522951][  T200]  ? 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))
[    9.523143][  T200]  ? 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))
[    9.523352][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.523547][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.523750][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.523950][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.524144][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.524353][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.524547][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.524756][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.524957][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.525198][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.525396][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.525597][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.525794][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.526002][  T200]  ? 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))
[    9.526212][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.526405][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.526608][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.526799][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.527004][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.527210][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.527405][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.527605][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.527830][  T200] RIP: 0033:0x7fbde78ea08e
[    9.528036][  T200] 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
[    9.528600][  T200] RSP: 002b:00007fff63bcd1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.528861][  T200] RAX: ffffffffffffffda RBX: 00007fff63bcd988 RCX: 00007fbde78ea08e
[    9.529122][  T200] RDX: 0000000000000000 RSI: 00007fff63bcd2a0 RDI: 0000000000000005
[    9.529394][  T200] RBP: 00007fff63bcd200 R08: 0000000000000000 R09: 0000000000000000
[    9.529665][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cede


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