======================================
| xx__-> [    9.254095][  T186] ------------[ cut here ]------------
| [    9.254324][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.254639][  T186] Modules linked in: veth
| [    9.255119][  T186] Tainted: [W]=WARN
[    9.255232][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.255415][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.255605][  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
[    9.256190][  T186] RSP: 0018:ffa00000007b6e30 EFLAGS: 00010286
[    9.256380][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ac9a900 RCX: 1ff40000000f6d8c
[    9.256595][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ac9a9b8
[    9.256824][  T186] RBP: ff11000008821000 R08: 1fe2200001593538 R09: ff1100000d072e80
[    9.257037][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.257260][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ad61c80
[    9.257478][  T186] FS:  00007fa36c849840(0000) GS:ff110000a5930000(0000) knlGS:0000000000000000
[    9.257746][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.257941][  T186] CR2: 00007fa36cbb0f6d CR3: 000000000be6c002 CR4: 0000000000771ef0
[    9.258156][  T186] PKRU: 55555554
[    9.258271][  T186] Call Trace:
[    9.258381][  T186]  <TASK>
[    9.258456][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.258646][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.258799][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.258909][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.259058][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.259201][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.259354][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.259498][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.259647][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.259801][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.259945][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.260099][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.260253][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.260398][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.260543][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.260703][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.260883][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.261029][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.261175][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.261343][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.261490][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.261642][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.261789][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.261937][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.262083][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.262233][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.262377][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.262520][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.262680][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.262827][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.262972][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.263115][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263262][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263407][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.263550][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.263709][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.263854][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.263997][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.264141][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.264291][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.264436][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.264584][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.264844][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.265086][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265238][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.265384][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.265530][  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))
[    9.265686][  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))
[    9.265833][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.265978][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.266122][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.266271][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.266416][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.266561][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.266719][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.266963][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.267110][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.267294][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.267542][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.267697][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.267841][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.268091][  T186]  ? 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))
[    9.268243][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.268387][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.268532][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268749][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268932][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.269074][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.269222][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.269366][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.269544][  T186] RIP: 0033:0x7fa36ca8308e
[    9.269705][  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
[    9.270323][  T186] RSP: 002b:00007fffc14920c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.270537][  T186] RAX: ffffffffffffffda RBX: 00007fffc1492858 RCX: 00007fa36ca8308e
[    9.270764][  T186] RDX: 0000000000000000 RSI: 00007fffc1492170 RDI: 0000000000000005
[    9.270978][  T186] RBP: 00007fffc14920d0 R08: 0000000000000000 R09: 0000000000000000
[    9.271193][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf5c
[    9.271412][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc1492830
| [    9.290809][  T186] ------------[ cut here ]------------
| [    9.290971][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.291223][  T186] Modules linked in: veth
| [    9.291619][  T186] Tainted: [W]=WARN
[    9.291739][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.291914][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.292096][  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
[    9.292600][  T186] RSP: 0018:ffa00000007b71b0 EFLAGS: 00010286
[    9.292882][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c363380 RCX: 1ff40000000f6dfc
[    9.293092][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c363438
[    9.293304][  T186] RBP: ff11000008b29000 R08: 1fe220000186c688 R09: ff1100000d072e80
[    9.293508][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.293838][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.294051][  T186] FS:  00007fa36c849840(0000) GS:ff110000a5930000(0000) knlGS:0000000000000000
[    9.294305][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.294482][  T186] CR2: 00007fa36cbb0f6d CR3: 000000000be6c002 CR4: 0000000000771ef0
[    9.294751][  T186] PKRU: 55555554
[    9.294857][  T186] Call Trace:
[    9.294961][  T186]  <TASK>
[    9.295034][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.295176][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.295288][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.295429][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.295566][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.295740][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.295882][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.296024][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.296166][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.296310][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.296446][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.296590][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.296744][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.296885][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.297025][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.297163][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.297310][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.297449][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.297592][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.297749][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.297886][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.298025][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.298164][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.298307][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.298446][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.298585][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.298738][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.298875][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.299013][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.299155][  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))
[    9.299296][  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))
[    9.299436][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.299575][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.299727][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.299866][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.300005][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.300145][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.300293][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.300435][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.300574][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.300758][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.300902][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.301041][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.301178][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.301333][  T186]  ? 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))
[    9.301474][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.301615][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.301773][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.301913][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.302054][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.302193][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.302338][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.302477][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.302658][  T186] RIP: 0033:0x7fa36ca8308e
[    9.302809][  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
[    9.303313][  T186] RSP: 002b:00007fffc14920c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.303522][  T186] RAX: ffffffffffffffda RBX: 00007fffc1492858 RCX: 00007fa36ca8308e
[    9.303738][  T186] RDX: 0000000000000000 RSI: 00007fffc1492170 RDI: 0000000000000005
[    9.303946][  T186] RBP: 00007fffc14920d0 R08: 0000000000000000 R09: 0000000000000000
[    9.304167][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf5c
[    9.304382][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc1492830
| [    9.495290][  T194] ------------[ cut here ]------------
| [    9.495478][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [    9.495772][  T194] Modules linked in: veth
| [    9.496186][  T194] Tainted: [W]=WARN
[    9.496300][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.496485][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.496688][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.497205][  T194] RSP: 0018:ffa0000000636e30 EFLAGS: 00010286
[    9.497393][  T194] RAX: 00000000ffffffa6 RBX: ff1100000e596e40 RCX: 1ff40000000c6d8c
[    9.497610][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e596ef8
[    9.497850][  T194] RBP: ff1100000cabc000 R08: 1fe2200001cb2de0 R09: ff1100000c025180
[    9.498070][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.498294][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b428080
[    9.498513][  T194] FS:  00007fd5867d4840(0000) GS:ff110000a5830000(0000) knlGS:0000000000000000
[    9.498786][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.498971][  T194] CR2: 000000000042ebe0 CR3: 000000000e67a005 CR4: 0000000000771ef0
[    9.499190][  T194] PKRU: 55555554
[    9.499301][  T194] Call Trace:
[    9.499411][  T194]  <TASK>
[    9.499485][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.499637][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.499752][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.499934][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.500082][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.500228][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.500372][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.500519][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.500675][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.500823][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.500971][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.501117][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.501266][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.501410][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.501557][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.501715][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.501893][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.502041][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.502185][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.502350][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.502493][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.502645][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.502856][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.503002][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.503147][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.503299][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.503441][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.503585][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.503850][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.504004][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.504149][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.504295][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.504439][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.504583][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.504828][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.505083][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.505230][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.505374][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.505516][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.505743][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.505888][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.506035][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.506179][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.506330][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.506476][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.506621][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.506823][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.506968][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.507116][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.507263][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.507406][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.507549][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.507706][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.507851][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.507998][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.508145][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.508296][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.508473][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.508620][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.508774][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.508917][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.509068][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.509219][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.509365][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.509512][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.509662][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.509812][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.509955][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.510099][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.510248][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.510427][  T194] RIP: 0033:0x7fd586a0e08e
[    9.510580][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.511095][  T194] RSP: 002b:00007fff1e9d8df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.511318][  T194] RAX: ffffffffffffffda RBX: 00007fff1e9d9588 RCX: 00007fd586a0e08e
[    9.511532][  T194] RDX: 0000000000000000 RSI: 00007fff1e9d8ea0 RDI: 0000000000000005
[    9.511754][  T194] RBP: 00007fff1e9d8e00 R08: 0000000000000000 R09: 0000000000000000
[    9.511967][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf5c
[    9.512181][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1e9d9560
| [    9.520284][  T194] ------------[ cut here ]------------
| [    9.520442][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/194
| [    9.521228][  T194] Modules linked in: veth
| [    9.521628][  T194] Tainted: [W]=WARN
[    9.521799][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.522034][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.522225][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.522792][  T194] RSP: 0018:ffa00000006371b0 EFLAGS: 00010286
[    9.522971][  T194] RAX: 00000000ffffffa6 RBX: ff1100000e59c900 RCX: 1ff40000000c6dfc
[    9.523179][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000e59c9b8
[    9.523396][  T194] RBP: ff1100000c0c9000 R08: 1fe2200001cb3938 R09: ff1100000c025180
[    9.523607][  T194] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.523878][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.524089][  T194] FS:  00007fd5867d4840(0000) GS:ff110000a5830000(0000) knlGS:0000000000000000
[    9.524339][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.524516][  T194] CR2: 000000000042ebe0 CR3: 000000000e67a005 CR4: 0000000000771ef0
[    9.524792][  T194] PKRU: 55555554
[    9.524897][  T194] Call Trace:
[    9.525001][  T194]  <TASK>
[    9.525073][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.525221][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.525329][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.525469][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.525610][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.525812][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.525955][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.526095][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.526240][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.526378][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.526519][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.526729][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.526873][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.527012][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.527152][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.527294][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.527432][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.527570][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.527776][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.527916][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.528054][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.528191][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.528335][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.528476][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.528617][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.528823][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.528964][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.529104][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.529248][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.529390][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.529527][  T194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.529733][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.529873][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.530013][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.530153][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.530297][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.530438][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.530581][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.530786][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.530926][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.531101][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.531252][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.531391][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.531530][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.531743][  T194]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.531886][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.532028][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.532174][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.532320][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.532458][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.532596][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.532799][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.532940][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.533112][  T194] RIP: 0033:0x7fd586a0e08e
[    9.533262][  T194] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.533823][  T194] RSP: 002b:00007fff1e9d8df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.534033][  T194] RAX: ffffffffffffffda RBX: 00007fff1e9d9588 RCX: 00007fd586a0e08e
[    9.534245][  T194] RDX: 0000000000000000 RSI: 00007fff1e9d8ea0 RDI: 0000000000000005
[    9.534456][  T194] RBP: 00007fff1e9d8e00 R08: 0000000000000000 R09: 0000000000000000
[    9.534729][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf5c


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