======================================
| xx__-> [   10.621473][  T185] ------------[ cut here ]------------
| [   10.621791][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/185
| [   10.622113][  T185] Modules linked in: veth
| [   10.622660][  T185] Tainted: [W]=WARN
[   10.622870][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.623145][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.623380][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.623938][  T185] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   10.624181][  T185] RAX: 00000000ffffffa6 RBX: ff110000095bd700 RCX: 1ff400000011cd8c
[   10.624444][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095bd7b8
[   10.624721][  T185] RBP: ff1100000a181000 R08: 1fe22000012b7af8 R09: ff1100000c310b80
[   10.624991][  T185] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.625249][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aab5580
[   10.625509][  T185] FS:  00007f678731e840(0000) GS:ff110000a5eb0000(0000) knlGS:0000000000000000
[   10.625827][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.626137][  T185] CR2: 0000555ef4b5e240 CR3: 000000000ddb8005 CR4: 0000000000771ef0
[   10.626457][  T185] PKRU: 55555554
[   10.626674][  T185] Call Trace:
[   10.626881][  T185]  <TASK>
[   10.627025][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.627277][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.627472][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.627647][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.627839][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.628042][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.628236][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.628428][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.628651][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.628853][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.629077][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.629282][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.629476][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.629684][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.629877][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.630081][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.630304][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.630492][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.630708][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.630922][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.631125][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.631319][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.631523][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.631736][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.631928][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.632134][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.632321][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.632512][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.632741][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.632937][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.633145][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.633335][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.633570][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.633761][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.633964][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.634161][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.634352][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.634547][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.634771][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.634973][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.635168][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.635363][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.635566][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.635781][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.635987][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.636194][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.636386][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.636589][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.636782][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.636985][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.637179][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.637370][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.637574][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.637766][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.637975][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.638167][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.638356][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.638592][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.638795][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.639002][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.639204][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.639416][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.639629][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.639817][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.640019][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.640210][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.640403][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.640613][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.640805][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.641004][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.641193][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.641383][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.641624][  T185] RIP: 0033:0x7f678755808e
[   10.641823][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.642383][  T185] RSP: 002b:00007ffcd06d28a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.642661][  T185] RAX: ffffffffffffffda RBX: 00007ffcd06d3038 RCX: 00007f678755808e
[   10.642916][  T185] RDX: 0000000000000000 RSI: 00007ffcd06d2950 RDI: 0000000000000005
[   10.643189][  T185] RBP: 00007ffcd06d28b0 R08: 0000000000000000 R09: 0000000000000000
[   10.643445][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd17
[   10.643720][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd06d3010
| [   10.654572][  T185] ------------[ cut here ]------------
| [   10.654738][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [   10.654984][  T185] Modules linked in: veth
| [   10.655374][  T185] Tainted: [W]=WARN
[   10.655480][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.655664][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.655860][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.656351][  T185] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   10.656524][  T185] RAX: 00000000ffffffa6 RBX: ff11000008a9cc80 RCX: 1ff400000011cdfc
[   10.656743][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a9cd38
[   10.656943][  T185] RBP: ff11000008711000 R08: 1fe22000011539a8 R09: ff1100000c310b80
[   10.657152][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.657358][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.657574][  T185] FS:  00007f678731e840(0000) GS:ff110000a5f30000(0000) knlGS:0000000000000000
[   10.657829][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.658007][  T185] CR2: 00007f850679e808 CR3: 000000000ddb8001 CR4: 0000000000771ef0
[   10.658214][  T185] PKRU: 55555554
[   10.658317][  T185] Call Trace:
[   10.658419][  T185]  <TASK>
[   10.658492][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.658643][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.658747][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.658885][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.659029][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.659166][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.659307][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.659446][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.659591][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.659727][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.659862][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.660009][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.660152][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.660291][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.660428][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.660576][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.660712][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.660847][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.660993][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.661131][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.661267][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.661404][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.661546][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.661687][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.661825][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.661964][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.662103][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.662240][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.662377][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.662519][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.662665][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.662803][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.662944][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.663086][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.663225][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.663362][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.663501][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.663653][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.663793][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.663963][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.664135][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.664275][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.664415][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.664554][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.664714][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.664852][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.665001][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.665136][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.665275][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.665412][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.665551][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.665695][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.665833][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.665975][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.666115][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.666295][  T185] RIP: 0033:0x7f678755808e
[   10.666439][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.666956][  T185] RSP: 002b:00007ffcd06d28a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.667162][  T185] RAX: ffffffffffffffda RBX: 00007ffcd06d3038 RCX: 00007f678755808e
[   10.667364][  T185] RDX: 0000000000000000 RSI: 00007ffcd06d2950 RDI: 0000000000000005
[   10.667593][  T185] RBP: 00007ffcd06d28b0 R08: 0000000000000000 R09: 0000000000000000
[   10.667800][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd17
[   10.668010][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd06d3010
| [   10.796643][  T195] ------------[ cut here ]------------
| [   10.796912][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [   10.797895][  T195] Modules linked in: veth
| [   10.798658][  T195] Tainted: [W]=WARN
[   10.798839][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.799140][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.799437][  T195] 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
[   10.800262][  T195] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[   10.800559][  T195] RAX: 00000000ffffffa6 RBX: ff1100000902b8c0 RCX: 1ff400000011cd8c
[   10.800892][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000902b978
[   10.801240][  T195] RBP: ff1100000bdf4000 R08: 1fe2200001205730 R09: ff1100000c610b80
[   10.801584][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.801920][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a9a380
[   10.802273][  T195] FS:  00007fc3ebc80840(0000) GS:ff110000a5f30000(0000) knlGS:0000000000000000
[   10.802694][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.802992][  T195] CR2: 000000000042ebe0 CR3: 000000000c245001 CR4: 0000000000771ef0
[   10.803328][  T195] PKRU: 55555554
[   10.803493][  T195] Call Trace:
[   10.803676][  T195]  <TASK>
[   10.803802][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.804051][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.804232][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.804511][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   10.804748][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   10.804990][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.805229][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.805467][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.805703][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.805941][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.806186][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.806427][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.806665][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.806904][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.807153][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[   10.807386][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.807685][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.807925][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.808169][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.808440][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.808682][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.808879][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.809096][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.809316][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.809575][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.809807][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.810039][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.810280][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.810514][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.810750][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.810990][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.811211][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.811434][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.811679][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.811920][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.812193][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.812417][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.812647][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.812875][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.813112][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.813340][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.813589][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.813830][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.814083][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.814318][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.814566][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.814817][  T195]  ? 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))
[   10.815057][  T195]  ? 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))
[   10.815277][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.815446][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.815624][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.815873][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.816125][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.816372][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.816624][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.816867][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.817131][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.817434][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   10.817695][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   10.817936][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.818119][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.818270][  T195]  ? 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))
[   10.818415][  T195]  __sys_sendmsg (net/socket.c:2784)
[   10.818569][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.818720][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.818863][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.819010][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.819152][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.819293][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.819435][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.819673][  T195] RIP: 0033:0x7fc3ebeba08e
[   10.819865][  T195] 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
[   10.820377][  T195] RSP: 002b:00007ffcccc4c0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.820619][  T195] RAX: ffffffffffffffda RBX: 00007ffcccc4c868 RCX: 00007fc3ebeba08e
[   10.820831][  T195] RDX: 0000000000000000 RSI: 00007ffcccc4c180 RDI: 0000000000000005
[   10.821052][  T195] RBP: 00007ffcccc4c0e0 R08: 0000000000000000 R09: 0000000000000000
[   10.821265][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   10.821477][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcccc4c840
| [   10.833593][  T195] ------------[ cut here ]------------
| [   10.833760][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [   10.834531][  T195] Modules linked in: veth
| [   10.835011][  T195] Tainted: [W]=WARN
[   10.835117][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.835288][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.835465][  T195] 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
[   10.836020][  T195] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[   10.836195][  T195] RAX: 00000000ffffffa6 RBX: ff1100000dc09700 RCX: 1ff400000011cdfc
[   10.836398][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dc097b8
[   10.836614][  T195] RBP: ff1100000c2d9000 R08: 1fe2200001b812f8 R09: ff1100000c610b80
[   10.836820][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.837087][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.837291][  T195] FS:  00007fc3ebc80840(0000) GS:ff110000a5f30000(0000) knlGS:0000000000000000
[   10.837533][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.837713][  T195] CR2: 000000000042ebe0 CR3: 000000000c245001 CR4: 0000000000771ef0
[   10.837915][  T195] PKRU: 55555554
[   10.838078][  T195] Call Trace:
[   10.838181][  T195]  <TASK>
[   10.838251][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.838389][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.838494][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[   10.838641][  T195]  ? netif_change_name (net/core/dev.c:1495)
[   10.838778][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.838914][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.839114][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.839250][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.839386][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.839521][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.839670][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.839812][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.840025][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.840167][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.840302][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.840439][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.840601][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.840738][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.840877][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.841075][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.841212][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.841346][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.841484][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.841630][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.841769][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.841907][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.842103][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.842240][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.842390][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.842528][  T195]  ? 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))
[   10.842672][  T195]  ? 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))
[   10.842822][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.843022][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.843164][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.843300][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.843438][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.843585][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.843723][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.843859][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.844054][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.844226][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[   10.844367][  T195]  ___sys_sendmsg (net/socket.c:2752)
[   10.844502][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.844646][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.844791][  T195]  ? 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))
[   10.844930][  T195]  __sys_sendmsg (net/socket.c:2784)
[   10.845126][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.845268][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.845422][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.845585][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.845730][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.845868][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.846065][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.846233][  T195] RIP: 0033:0x7fc3ebeba08e
[   10.846390][  T195] 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
[   10.846889][  T195] RSP: 002b:00007ffcccc4c0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.847157][  T195] RAX: ffffffffffffffda RBX: 00007ffcccc4c868 RCX: 00007fc3ebeba08e
[   10.847361][  T195] RDX: 0000000000000000 RSI: 00007ffcccc4c180 RDI: 0000000000000005
[   10.847579][  T195] RBP: 00007ffcccc4c0e0 R08: 0000000000000000 R09: 0000000000000000
[   10.847782][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   10.848045][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcccc4c840
| [   11.183314][  T209] ------------[ cut here ]------------
| [   11.183498][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.183768][  T209] Modules linked in: veth
| [   11.184265][  T209] Tainted: [W]=WARN
[   11.184371][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.184560][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.184782][  T209] 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
[   11.185284][  T209] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   11.185465][  T209] RAX: 00000000ffffffa6 RBX: ff1100000dc003c0 RCX: 1ff4000000110d8c
[   11.185695][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dc00478
[   11.185931][  T209] RBP: ff1100000c6c9000 R08: 1fe2200001b80090 R09: ff11000004b4d180
[   11.186152][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.186363][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f98b00
[   11.186586][  T209] FS:  00007f2f14eaa840(0000) GS:ff110000a5f30000(0000) knlGS:0000000000000000
[   11.186840][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.187026][  T209] CR2: 00007f2f15211f6d CR3: 000000000bef6005 CR4: 0000000000771ef0
[   11.187242][  T209] PKRU: 55555554
[   11.187350][  T209] Call Trace:
[   11.187456][  T209]  <TASK>
[   11.187529][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187693][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.187839][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.187945][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.188099][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.188245][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.188386][  T209]  ? 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)
[   11.188526][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.188692][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.188838][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.188984][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.189132][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.189275][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.189415][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.189577][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.189718][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.189860][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.190010][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   11.190153][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.190326][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.190468][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.190622][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.190780][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.190935][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.191085][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.191228][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.191372][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.191517][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.191685][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.191829][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.191977][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.192126][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.192274][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.192418][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.192582][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.192825][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.192987][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.193130][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.193275][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.193420][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.193607][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.193756][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.193900][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.194046][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.194190][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.194331][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.194491][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.194652][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.194795][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.194943][  T209]  ? 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))
[   11.195091][  T209]  ? 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))
[   11.195246][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.195389][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.195538][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.195690][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.195845][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.195997][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.196147][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.196290][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.196443][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.196641][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.196787][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.196929][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.197086][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.197238][  T209]  ? 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))
[   11.197384][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.197530][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.197686][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.197834][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.197985][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.198128][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.198275][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.198451][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.198643][  T209] RIP: 0033:0x7f2f150e408e
[   11.198796][  T209] 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
[   11.199339][  T209] RSP: 002b:00007fff3b742a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.199566][  T209] RAX: ffffffffffffffda RBX: 00007fff3b743228 RCX: 00007f2f150e408e
[   11.199781][  T209] RDX: 0000000000000000 RSI: 00007fff3b742b40 RDI: 0000000000000005
[   11.199999][  T209] RBP: 00007fff3b742aa0 R08: 0000000000000000 R09: 0000000000000000
[   11.200221][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18
[   11.200435][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3b743200
| [   11.214433][  T209] ------------[ cut here ]------------
| [   11.214639][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [   11.214888][  T209] Modules linked in: veth
| [   11.215325][  T209] Tainted: [W]=WARN
[   11.215427][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.215610][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.215790][  T209] 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
[   11.216288][  T209] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   11.216462][  T209] RAX: 00000000ffffffa6 RBX: ff1100000dc9d1c0 RCX: 1ff4000000110dfc
[   11.216730][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000dc9d278
[   11.216931][  T209] RBP: ff11000005199000 R08: 1fe2200001b93a50 R09: ff11000004b4d180
[   11.217151][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.217358][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.217576][  T209] FS:  00007f2f14eaa840(0000) GS:ff110000a5f30000(0000) knlGS:0000000000000000
[   11.217816][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.217995][  T209] CR2: 00007f2f15211f6d CR3: 000000000bef6005 CR4: 0000000000771ef0
[   11.218201][  T209] PKRU: 55555554
[   11.218302][  T209] Call Trace:
[   11.218409][  T209]  <TASK>
[   11.218481][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.218632][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.218739][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.218876][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.219018][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.219155][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.219294][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.219431][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.219578][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.219714][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.219855][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.220005][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.220149][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.220291][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.220430][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.220586][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.220724][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.220858][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.221003][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.221141][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.221280][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.221418][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.221564][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.221706][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.221846][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.221990][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.222130][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.222269][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.222408][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.222558][  T209]  ? 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))
[   11.222717][  T209]  ? 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))
[   11.222855][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.222998][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.223170][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.223333][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.223477][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.223638][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.223780][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.223924][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.224162][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.224336][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.224484][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.224647][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.224784][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.224937][  T209]  ? 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))
[   11.225186][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.225330][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.225473][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.225620][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.225761][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.225900][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.226128][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.226329][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.226499][  T209] RIP: 0033:0x7f2f150e408e
[   11.226652][  T209] 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
[   11.227147][  T209] RSP: 002b:00007fff3b742a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.227356][  T209] RAX: ffffffffffffffda RBX: 00007fff3b743228 RCX: 00007f2f150e408e
[   11.227581][  T209] RDX: 0000000000000000 RSI: 00007fff3b742b40 RDI: 0000000000000005
[   11.227793][  T209] RBP: 00007fff3b742aa0 R08: 0000000000000000 R09: 0000000000000000
[   11.228006][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cd18


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