======================================
| xx__-> [    9.340918][  T186] ------------[ cut here ]------------
| [    9.341155][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.341523][  T186] Modules linked in: veth
| [    9.342055][  T186] Tainted: [W]=WARN
[    9.342162][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.342340][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.342533][  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
[    9.343129][  T186] RSP: 0018:ffa0000000946e30 EFLAGS: 00010286
[    9.343325][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ad06900 RCX: 1ff4000000128d8c
[    9.343662][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad069b8
[    9.343874][  T186] RBP: ff1100000a089000 R08: 1fe22000015a0d38 R09: ff1100000b9dd180
[    9.344095][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.344306][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b87ae00
[    9.344527][  T186] FS:  00007fa479b1e840(0000) GS:ff110000a7930000(0000) knlGS:0000000000000000
[    9.344868][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.345051][  T186] CR2: 0000557012aa4d50 CR3: 000000000d3d2001 CR4: 0000000000771ef0
[    9.345266][  T186] PKRU: 55555554
[    9.345373][  T186] Call Trace:
[    9.345484][  T186]  <TASK>
[    9.345644][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.345823][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.345989][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.346101][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.346253][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.346397][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.346547][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346796][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.346946][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.347088][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.347232][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.347372][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.347519][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.347746][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.347916][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.348062][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.348241][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.348385][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.348533][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.348789][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.348948][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.349090][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.349233][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.349376][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.349525][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.349763][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.349907][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.350048][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.350197][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.350345][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.350493][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.350695][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.350836][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.350977][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.351118][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.351284][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.351436][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.351678][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.351820][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.351963][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.352105][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.352254][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.352393][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.352649][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.352792][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.352935][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.353082][  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))
[    9.353225][  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))
[    9.353369][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.353518][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.353747][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.353891][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.354033][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.354177][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.354325][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.354474][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.354700][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.354875][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.355020][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.355160][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.355305][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.355465][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.355694][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.355836][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.355979][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.356124][  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)
[    9.356269][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.356416][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.356900][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.357041][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.357183][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.357341][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.357527][  T186] RIP: 0033:0x7fa479d5808e
[    9.357808][  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
[    9.358345][  T186] RSP: 002b:00007fff452c91a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.358705][  T186] RAX: ffffffffffffffda RBX: 00007fff452c9938 RCX: 00007fa479d5808e
[    9.358916][  T186] RDX: 0000000000000000 RSI: 00007fff452c9250 RDI: 0000000000000005
[    9.359129][  T186] RBP: 00007fff452c91b0 R08: 0000000000000000 R09: 0000000000000000
[    9.359343][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d6
[    9.359681][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff452c9910
| [    9.380436][  T186] ------------[ cut here ]------------
| [    9.381017][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.381266][  T186] Modules linked in: veth
| [    9.381697][  T186] Tainted: [W]=WARN
[    9.381801][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.381975][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.382165][  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
[    9.382716][  T186] RSP: 0018:ffa00000009471b0 EFLAGS: 00010286
[    9.382895][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b16a740 RCX: 1ff4000000128dfc
[    9.383101][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b16a7f8
[    9.383312][  T186] RBP: ff1100000a09c000 R08: 1fe220000162d500 R09: ff1100000b9dd180
[    9.383536][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.383745][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.383950][  T186] FS:  00007fa479b1e840(0000) GS:ff110000a77b0000(0000) knlGS:0000000000000000
[    9.384192][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.384366][  T186] CR2: 0000557012aa4d50 CR3: 000000000d3d2005 CR4: 0000000000771ef0
[    9.384586][  T186] PKRU: 55555554
[    9.384690][  T186] Call Trace:
[    9.384793][  T186]  <TASK>
[    9.384865][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.385009][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.385114][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.385256][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.385394][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.385537][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.385684][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.385824][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.385967][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.386104][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.386246][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.386390][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.386537][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.386682][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.386822][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.386963][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.387101][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.387239][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.387382][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.387524][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.387688][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.387829][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.387971][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.388108][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.388277][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.388418][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.388563][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.388704][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.388842][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.388984][  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))
[    9.389139][  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))
[    9.389288][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.389438][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.389586][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.389728][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.389869][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.390009][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.390154][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.390297][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.390490][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.390666][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.390811][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.390951][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.391090][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.391244][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.391383][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.391528][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.391670][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.391814][  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)
[    9.391954][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.392095][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.392235][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.392374][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.392540][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.392684][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.392860][  T186] RIP: 0033:0x7fa479d5808e
[    9.393007][  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
[    9.393519][  T186] RSP: 002b:00007fff452c91a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.393735][  T186] RAX: ffffffffffffffda RBX: 00007fff452c9938 RCX: 00007fa479d5808e
[    9.393946][  T186] RDX: 0000000000000000 RSI: 00007fff452c9250 RDI: 0000000000000005
[    9.394151][  T186] RBP: 00007fff452c91b0 R08: 0000000000000000 R09: 0000000000000000
[    9.394362][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d6
[    9.394580][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff452c9910
| [    9.527489][  T192] ------------[ cut here ]------------
| [    9.527685][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.527940][  T192] Modules linked in: veth
| [    9.528351][  T192] Tainted: [W]=WARN
[    9.528462][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.528647][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.528835][  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
[    9.529340][  T192] RSP: 0018:ffa0000000946e30 EFLAGS: 00010286
[    9.529523][  T192] RAX: 00000000ffffffa6 RBX: ff11000004a88580 RCX: 1ff4000000128d8c
[    9.529746][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a88638
[    9.529967][  T192] RBP: ff110000088fc000 R08: 1fe22000009510c8 R09: ff1100000c41ae80
[    9.530178][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.530392][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005680e80
[    9.530618][  T192] FS:  00007f42f684a840(0000) GS:ff110000a7930000(0000) knlGS:0000000000000000
[    9.530866][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.531045][  T192] CR2: 00007f42f6bb1f6d CR3: 000000000d3f7004 CR4: 0000000000771ef0
[    9.531263][  T192] PKRU: 55555554
[    9.531369][  T192] Call Trace:
[    9.531478][  T192]  <TASK>
[    9.531557][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.531702][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.531809][  T192]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.531986][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.532128][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.532269][  T192]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.532412][  T192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.532557][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.532696][  T192]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.532838][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.532980][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.533125][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.533267][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.533414][  T192]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.533562][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.533707][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.533881][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.534027][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.534168][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.534330][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.534475][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.534621][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.534761][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.534902][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.535044][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.535184][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.535330][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.535474][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.535622][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.535765][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.535904][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.536041][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.536181][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.536323][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.536467][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.536613][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.536754][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.536892][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.537033][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.537171][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.537314][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.537459][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.537697][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.537909][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.538050][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.538188][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.538333][  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))
[    9.538477][  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))
[    9.538704][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.538846][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.538987][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.539129][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.539271][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.539418][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.539644][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.539784][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.539922][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.540095][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.540239][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.540378][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.540522][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.540729][  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))
[    9.540870][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.541008][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.541151][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.541294][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.541437][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.541585][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.541723][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.541864][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.542036][  T192] RIP: 0033:0x7f42f6a8408e
[    9.542183][  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
[    9.542688][  T192] RSP: 002b:00007ffc33c826d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.542902][  T192] RAX: ffffffffffffffda RBX: 00007ffc33c82e68 RCX: 00007f42f6a8408e
[    9.543110][  T192] RDX: 0000000000000000 RSI: 00007ffc33c82780 RDI: 0000000000000005
[    9.543320][  T192] RBP: 00007ffc33c826e0 R08: 0000000000000000 R09: 0000000000000000
[    9.543532][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d6
[    9.543746][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc33c82e40
| [    9.558383][  T192] ------------[ cut here ]------------
| [    9.558615][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.558855][  T192] Modules linked in: veth
| [    9.559250][  T192] Tainted: [W]=WARN
[    9.559357][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.559530][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.559725][  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
[    9.560251][  T192] RSP: 0018:ffa00000009471b0 EFLAGS: 00010286
[    9.560427][  T192] RAX: 00000000ffffffa6 RBX: ff11000005f4a200 RCX: 1ff4000000128dfc
[    9.560632][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005f4a2b8
[    9.560835][  T192] RBP: ff11000008769000 R08: 1fe2200000be9458 R09: ff1100000c41ae80
[    9.561036][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.561243][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.561450][  T192] FS:  00007f42f684a840(0000) GS:ff110000a7930000(0000) knlGS:0000000000000000
[    9.561692][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.561861][  T192] CR2: 00007f42f6bb1f6d CR3: 000000000d3f7004 CR4: 0000000000771ef0
[    9.562066][  T192] PKRU: 55555554
[    9.562169][  T192] Call Trace:
[    9.562278][  T192]  <TASK>
[    9.562353][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.562497][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.562604][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.562745][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.562881][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.563018][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.563156][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.563298][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.563438][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.563578][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.563714][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.563855][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.563996][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.564133][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.564271][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.564413][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.564548][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.564688][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.564828][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.564966][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.565101][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.565238][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.565375][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.565518][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.565662][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.565797][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.565937][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.566092][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.566234][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.566376][  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))
[    9.566518][  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))
[    9.566661][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.566800][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.566940][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.567079][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.567218][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.567358][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.567509][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.567654][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.567791][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.567964][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.568105][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.568244][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.568380][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.568533][  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))
[    9.568678][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.568815][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.568957][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.569095][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.569234][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.569371][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.569509][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.569658][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.569827][  T192] RIP: 0033:0x7f42f6a8408e
[    9.569973][  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
[    9.570464][  T192] RSP: 002b:00007ffc33c826d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.570681][  T192] RAX: ffffffffffffffda RBX: 00007ffc33c82e68 RCX: 00007f42f6a8408e
[    9.570884][  T192] RDX: 0000000000000000 RSI: 00007ffc33c82780 RDI: 0000000000000005
[    9.571089][  T192] RBP: 00007ffc33c826e0 R08: 0000000000000000 R09: 0000000000000000
[    9.571304][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d6
[    9.571517][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc33c82e40
| [    9.827517][  T210] ------------[ cut here ]------------
| [    9.828216][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [    9.828535][  T210] Modules linked in: veth
| [    9.829262][  T210] Tainted: [W]=WARN
[    9.829433][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.829682][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.829922][  T210] 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
[    9.830493][  T210] RSP: 0018:ffa0000000626e30 EFLAGS: 00010286
[    9.830746][  T210] RAX: 00000000ffffffa6 RBX: ff1100000939d700 RCX: 1ff40000000c4d8c
[    9.831015][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000939d7b8
[    9.831286][  T210] RBP: ff11000007e54000 R08: 1fe2200001273af8 R09: ff110000095fae80
[    9.831570][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.831835][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000afc8080
[    9.832105][  T210] FS:  00007fb281d7c840(0000) GS:ff110000a78b0000(0000) knlGS:0000000000000000
[    9.832424][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.832671][  T210] CR2: 000000000042ebe0 CR3: 000000000c98b004 CR4: 0000000000771ef0
[    9.832942][  T210] PKRU: 55555554
[    9.833103][  T210] Call Trace:
[    9.833327][  T210]  <TASK>
[    9.833463][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.833681][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.833879][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.834040][  T210]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.834239][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.834442][  T210]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.834644][  T210]  ? 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)
[    9.834836][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.835027][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.835249][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.835455][  T210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.835667][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.835865][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.836064][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.836264][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.836460][  T210]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.836680][  T210]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.836940][  T210] veth_newlink (drivers/net/veth.c:1871) veth
[    9.837138][  T210]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.837376][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.837601][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.837797][  T210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.838009][  T210]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.838206][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.838421][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.838630][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.838843][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.839042][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.839272][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.839482][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.839700][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.839902][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.840102][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.840328][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.840603][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.840805][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.841001][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.841205][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.841439][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.841645][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.841841][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.842058][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.842254][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.842453][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.842665][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.842857][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.843054][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.843250][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.843456][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.843675][  T210]  ? 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))
[    9.843873][  T210]  ? 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))
[    9.844100][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.844303][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.844508][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.844721][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.844919][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.845119][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.845339][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.845545][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.845755][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.845997][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.846196][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.846393][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.846609][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.846812][  T210]  ? 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))
[    9.847013][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.847209][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.847428][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.847639][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.847836][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.848049][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.848245][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.848450][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.848695][  T210] RIP: 0033:0x7fb281fb608e
[    9.848895][  T210] 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
[    9.849460][  T210] RSP: 002b:00007ffcabf59ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.849762][  T210] RAX: ffffffffffffffda RBX: 00007ffcabf5a668 RCX: 00007fb281fb608e
[    9.850029][  T210] RDX: 0000000000000000 RSI: 00007ffcabf59f80 RDI: 0000000000000005
[    9.850300][  T210] RBP: 00007ffcabf59ee0 R08: 0000000000000000 R09: 0000000000000000
[    9.850590][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d7
[    9.850853][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcabf5a640
| [    9.869051][  T210] ------------[ cut here ]------------
| [    9.869269][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/210
| [    9.869583][  T210] Modules linked in: veth
| [    9.870205][  T210] Tainted: [W]=WARN
[    9.870366][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.870740][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.870977][  T210] 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
[    9.871536][  T210] RSP: 0018:ffa00000006271b0 EFLAGS: 00010286
[    9.871781][  T210] RAX: 00000000ffffffa6 RBX: ff110000027ee200 RCX: 1ff40000000c4dfc
[    9.872039][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000027ee2b8
[    9.872318][  T210] RBP: ff1100000cb09000 R08: 1fe22000004fdc58 R09: ff110000095fae80
[    9.872594][  T210] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.872849][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.873251][  T210] FS:  00007fb281d7c840(0000) GS:ff110000a78b0000(0000) knlGS:0000000000000000
[    9.873589][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.873844][  T210] CR2: 00007faa1ce84708 CR3: 000000000c98b004 CR4: 0000000000771ef0
[    9.874107][  T210] PKRU: 55555554
[    9.874273][  T210] Call Trace:
[    9.874438][  T210]  <TASK>
[    9.874581][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.874785][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.874963][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.875168][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.875365][  T210]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.875580][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.875784][  T210]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.875994][  T210]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.876206][  T210]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.876403][  T210]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.876614][  T210]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.876822][  T210]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.877016][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.877206][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.877405][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.877816][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.878007][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.878197][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.878401][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.878620][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.878817][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.879012][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.879206][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.879407][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.879661][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.879860][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.880053][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.880242][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.880452][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.880692][  T210]  ? 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))
[    9.880884][  T210]  ? 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))
[    9.881087][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.881310][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.881545][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.881752][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.881960][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.882151][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.882359][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.882571][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.882762][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.882983][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.883178][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.883393][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.883608][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.883811][  T210]  ? 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))
[    9.884006][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.884212][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.884429][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.884635][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.884830][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.885019][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.885211][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.885419][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.885694][  T210] RIP: 0033:0x7fb281fb608e
[    9.885892][  T210] 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
[    9.886460][  T210] RSP: 002b:00007ffcabf59ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.886739][  T210] RAX: ffffffffffffffda RBX: 00007ffcabf5a668 RCX: 00007fb281fb608e
[    9.886997][  T210] RDX: 0000000000000000 RSI: 00007ffcabf59f80 RDI: 0000000000000005
[    9.887294][  T210] RBP: 00007ffcabf59ee0 R08: 0000000000000000 R09: 0000000000000000
[    9.887576][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c9d7


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