======================================
| xx__-> [    9.040081][  T186] ------------[ cut here ]------------
| [    9.040433][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.040750][  T186] Modules linked in: veth
| [    9.041294][  T186] Tainted: [W]=WARN
[    9.041450][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.041884][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.042180][  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
[    9.042777][  T186] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.043127][  T186] RAX: 00000000ffffffa6 RBX: ff11000001f3e740 RCX: 1ff4000000118d8c
[    9.043386][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f3e7f8
[    9.043753][  T186] RBP: ff11000007da9000 R08: 1fe22000003e7d00 R09: ff1100000b172e80
[    9.044028][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.044474][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009151580
[    9.044753][  T186] FS:  00007fa16ab50840(0000) GS:ff1100009f8b0000(0000) knlGS:0000000000000000
[    9.045063][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.045289][  T186] CR2: 00007fae640d9808 CR3: 000000000c127006 CR4: 0000000000771ef0
[    9.045548][  T186] PKRU: 55555554
[    9.045718][  T186] Call Trace:
[    9.045876][  T186]  <TASK>
[    9.046129][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.046420][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.046722][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.046991][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.047286][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.047573][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.047884][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.048317][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.048637][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.049058][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.049401][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.049729][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.050057][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.050370][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.050727][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.051044][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.051313][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.051725][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.052132][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.052418][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.052682][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.052984][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.053269][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.053460][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.053658][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.053968][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.054165][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.054360][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.054553][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.054759][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.054967][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.055155][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.055437][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.055838][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.056051][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.056337][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.056527][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.056737][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.056927][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.057133][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.057414][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.057614][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.057815][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.058027][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.058221][  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))
[    9.058409][  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))
[    9.058609][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.058810][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.059020][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.059239][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.059445][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.059655][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.059860][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.060163][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.060356][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.060688][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.060889][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.061189][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.061383][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.061693][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.061996][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.062191][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.062472][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.062682][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.062882][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.063089][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.063284][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.063474][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.063678][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.063872][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.064118][  T186] RIP: 0033:0x7fa16ad8a08e
[    9.064317][  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
[    9.065090][  T186] RSP: 002b:00007ffe3b85a550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.065355][  T186] RAX: ffffffffffffffda RBX: 00007ffe3b85ace8 RCX: 00007fa16ad8a08e
[    9.065622][  T186] RDX: 0000000000000000 RSI: 00007ffe3b85a600 RDI: 0000000000000005
[    9.065995][  T186] RBP: 00007ffe3b85a560 R08: 0000000000000000 R09: 0000000000000000
[    9.066257][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab
[    9.066514][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3b85acc0
| [    9.075380][  T186] ------------[ cut here ]------------
| [    9.075533][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.075784][  T186] Modules linked in: veth
| [    9.076220][  T186] Tainted: [W]=WARN
[    9.076322][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.076491][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.076673][  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
[    9.077163][  T186] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.077333][  T186] RAX: 00000000ffffffa6 RBX: ff11000002933e00 RCX: 1ff4000000118dfc
[    9.077533][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002933eb8
[    9.077747][  T186] RBP: ff11000009e4c000 R08: 1fe22000005267d8 R09: ff1100000b172e80
[    9.078014][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.078217][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.078419][  T186] FS:  00007fa16ab50840(0000) GS:ff1100009f930000(0000) knlGS:0000000000000000
[    9.078666][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.078840][  T186] CR2: 00005598b5ed7d5c CR3: 000000000c127003 CR4: 0000000000771ef0
[    9.079111][  T186] PKRU: 55555554
[    9.079221][  T186] Call Trace:
[    9.079399][  T186]  <TASK>
[    9.079474][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.079622][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.079736][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.079879][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.080145][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.080287][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.080425][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.080562][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.080709][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.080844][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.081086][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.081230][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.081371][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.081507][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.081649][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.081790][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.081928][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.082127][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.082271][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.082412][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.082550][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.082702][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.082841][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.082982][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.083118][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.083255][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.083401][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.083536][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.083700][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.083857][  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))
[    9.084001][  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))
[    9.084144][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.084284][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.084425][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.084562][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.084714][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.084854][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.085000][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.085139][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.085275][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.085446][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.085593][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.085733][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.085871][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.086029][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.086169][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.086314][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.086449][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.086599][  T186]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.086738][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.086877][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.087019][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.087155][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.087294][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.087430][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.087607][  T186] RIP: 0033:0x7fa16ad8a08e
[    9.087759][  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
[    9.088255][  T186] RSP: 002b:00007ffe3b85a550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.088463][  T186] RAX: ffffffffffffffda RBX: 00007ffe3b85ace8 RCX: 00007fa16ad8a08e
[    9.088687][  T186] RDX: 0000000000000000 RSI: 00007ffe3b85a600 RDI: 0000000000000005
[    9.088893][  T186] RBP: 00007ffe3b85a560 R08: 0000000000000000 R09: 0000000000000000
[    9.089103][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab
[    9.089308][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3b85acc0
| [    9.290363][  T194] ------------[ cut here ]------------
| [    9.290545][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.290810][  T194] Modules linked in: veth
| [    9.291216][  T194] Tainted: [W]=WARN
[    9.291322][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.291498][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.291690][  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
[    9.292191][  T194] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[    9.292370][  T194] RAX: 00000000ffffffa6 RBX: ff1100000bdcc200 RCX: 1ff40000000d6d8c
[    9.292584][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bdcc2b8
[    9.292796][  T194] RBP: ff1100000cfd4000 R08: 1fe22000017b9858 R09: ff1100000ccbd180
[    9.293009][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.293215][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc5b880
[    9.293423][  T194] FS:  00007f1b6bcca840(0000) GS:ff1100009f930000(0000) knlGS:0000000000000000
[    9.293676][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.293861][  T194] CR2: 00007f1b6c031f6d CR3: 000000000b28a003 CR4: 0000000000771ef0
[    9.294080][  T194] PKRU: 55555554
[    9.294184][  T194] Call Trace:
[    9.294288][  T194]  <TASK>
[    9.294362][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.294506][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.294617][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.294796][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.294938][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.295080][  T194]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.295218][  T194]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.295353][  T194]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.295493][  T194]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.295640][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.295785][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.295925][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.296068][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.296206][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.296349][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.296490][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.296671][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.296811][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.296951][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.297105][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.297247][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.297389][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.297527][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.297675][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.297814][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.297961][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.298098][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.298236][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.298380][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.298520][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.298669][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.298809][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.298953][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.299092][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.299229][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.299370][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.299512][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.299657][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.299797][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.299934][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.300076][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.300218][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.300355][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.300497][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.300640][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.300781][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.300922][  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))
[    9.301064][  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))
[    9.301202][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.301339][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.301475][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.301619][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.301760][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.301898][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.302044][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.302183][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.302320][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.302489][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.302640][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.302781][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.302919][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.303068][  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))
[    9.303209][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.303348][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.303489][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.303635][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.303774][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.303912][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.304056][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.304198][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.304372][  T194] RIP: 0033:0x7f1b6bf0408e
[    9.304517][  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
[    9.305019][  T194] RSP: 002b:00007ffc3b181cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.305224][  T194] RAX: ffffffffffffffda RBX: 00007ffc3b182488 RCX: 00007f1b6bf0408e
[    9.305427][  T194] RDX: 0000000000000000 RSI: 00007ffc3b181da0 RDI: 0000000000000005
[    9.305636][  T194] RBP: 00007ffc3b181d00 R08: 0000000000000000 R09: 0000000000000000
[    9.305841][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab
[    9.306049][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3b182460
| [    9.315461][  T194] ------------[ cut here ]------------
| [    9.315619][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/194
| [    9.315858][  T194] Modules linked in: veth
| [    9.316292][  T194] Tainted: [W]=WARN
[    9.316394][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.316566][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.316753][  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
[    9.317244][  T194] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[    9.317417][  T194] RAX: 00000000ffffffa6 RBX: ff11000009e2f1c0 RCX: 1ff40000000d6dfc
[    9.317623][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009e2f278
[    9.317826][  T194] RBP: ff1100000cfd1000 R08: 1fe22000013c5e50 R09: ff1100000ccbd180
[    9.318032][  T194] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.318236][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.318440][  T194] FS:  00007f1b6bcca840(0000) GS:ff1100009f930000(0000) knlGS:0000000000000000
[    9.318687][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.318857][  T194] CR2: 00007f1b6c031f6d CR3: 000000000b28a003 CR4: 0000000000771ef0
[    9.319061][  T194] PKRU: 55555554
[    9.319163][  T194] Call Trace:
[    9.319263][  T194]  <TASK>
[    9.319334][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.319472][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.319575][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.319734][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.319868][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.320008][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.320144][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.320283][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.320418][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.320551][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.320696][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.320835][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.321036][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.321173][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.321307][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.321444][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.321583][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.321722][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.321860][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.322052][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.322188][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.322321][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.322454][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.322593][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.322734][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.322870][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.323063][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.323282][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.323417][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.323554][  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))
[    9.323696][  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))
[    9.323832][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.324071][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.324208][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.324343][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.324478][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.324619][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.324761][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.324899][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.325150][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.325321][  T194]  ? move_addr_to_kernel (net/socket.c:258)
[    9.325459][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.325597][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.325735][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.325879][  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))
[    9.326101][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.326238][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.326377][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.326512][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.326654][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.326792][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.326928][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.327101][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.327271][  T194] RIP: 0033:0x7f1b6bf0408e
[    9.327413][  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
[    9.327901][  T194] RSP: 002b:00007ffc3b181cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.328110][  T194] RAX: ffffffffffffffda RBX: 00007ffc3b182488 RCX: 00007f1b6bf0408e
[    9.328314][  T194] RDX: 0000000000000000 RSI: 00007ffc3b181da0 RDI: 0000000000000005
[    9.328516][  T194] RBP: 00007ffc3b181d00 R08: 0000000000000000 R09: 0000000000000000
[    9.328726][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab
[    9.328929][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3b182460
| [    9.484352][  T200] ------------[ cut here ]------------
| [    9.484529][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.484795][  T200] Modules linked in: veth
| [    9.485214][  T200] Tainted: [W]=WARN
[    9.485323][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.485499][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.485691][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.486204][  T200] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[    9.486383][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b08f380 RCX: 1ff40000000d6d8c
[    9.486595][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b08f438
[    9.486808][  T200] RBP: ff11000009b2c000 R08: 1fe2200001611e88 R09: ff1100000ccf2e80
[    9.487023][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.487229][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009152a80
[    9.487440][  T200] FS:  00007fe02310b840(0000) GS:ff1100009f7b0000(0000) knlGS:0000000000000000
[    9.487696][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.487876][  T200] CR2: 000000000042ebe0 CR3: 000000000c872005 CR4: 0000000000771ef0
[    9.488094][  T200] PKRU: 55555554
[    9.488200][  T200] Call Trace:
[    9.488305][  T200]  <TASK>
[    9.488380][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.488523][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.488690][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.488798][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.488948][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.489090][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.489231][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.489371][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.489508][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.489652][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.489796][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.489937][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.490086][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.490226][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.490367][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.490506][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.490655][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.490800][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.491040][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.491216][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.491358][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.491496][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.491664][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.491807][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.492039][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.492179][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.492320][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.492461][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.492608][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.492749][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.492888][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.493115][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.493260][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.493402][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.493539][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.493687][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.493825][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.494034][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.494177][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.494319][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.494457][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.494603][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.494749][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.494890][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.495103][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.495243][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.495395][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.495534][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.495683][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.495832][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.496029][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.496173][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.496315][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.496457][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.496603][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.496745][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.496888][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.497101][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.497244][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.497382][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.497558][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.497710][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.497849][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.498006][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.498153][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.498296][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.498437][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.498584][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.498728][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.498868][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.499014][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.499161][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.499300][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.499481][  T200] RIP: 0033:0x7fe02334508e
[    9.499632][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.500150][  T200] RSP: 002b:00007ffcd121cf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.500367][  T200] RAX: ffffffffffffffda RBX: 00007ffcd121d6b8 RCX: 00007fe02334508e
[    9.500574][  T200] RDX: 0000000000000000 RSI: 00007ffcd121cfd0 RDI: 0000000000000005
[    9.500791][  T200] RBP: 00007ffcd121cf30 R08: 0000000000000000 R09: 0000000000000000
[    9.501003][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab
[    9.501211][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd121d690
| [    9.513735][  T200] ------------[ cut here ]------------
| [    9.513933][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/200
| [    9.514240][  T200] Modules linked in: veth
| [    9.514736][  T200] Tainted: [W]=WARN
[    9.514889][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.515171][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.515404][  T200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.515958][  T200] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[    9.516179][  T200] RAX: 00000000ffffffa6 RBX: ff1100000bde4ac0 RCX: 1ff40000000d6dfc
[    9.516435][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bde4b78
[    9.516699][  T200] RBP: ff11000009b29000 R08: 1fe22000017bc970 R09: ff1100000ccf2e80
[    9.516967][  T200] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.517219][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.517476][  T200] FS:  00007fe02310b840(0000) GS:ff1100009f8b0000(0000) knlGS:0000000000000000
[    9.517775][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.518010][  T200] CR2: 00005603e57da6c0 CR3: 000000000c872004 CR4: 0000000000771ef0
[    9.518263][  T200] PKRU: 55555554
[    9.518415][  T200] Call Trace:
[    9.518567][  T200]  <TASK>
[    9.518701][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.518894][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.519063][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.519251][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.519445][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.519641][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.519838][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.520038][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.520229][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.520413][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.520605][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.520805][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.521013][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.521203][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.521387][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.521586][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.521776][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.521973][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.522163][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.522348][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.522533][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.522735][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.522921][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.523130][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.523320][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.523505][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.523704][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.523889][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.524088][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.524279][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.524470][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.524670][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.524862][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.525062][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.525250][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.525445][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.525641][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.525857][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.526064][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.526255][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.526475][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.526680][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.526869][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.527071][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.527266][  T200]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.527460][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.527658][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.527856][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.528057][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.528245][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.528434][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.528630][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.528823][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.529061][  T200] RIP: 0033:0x7fe02334508e
[    9.529252][  T200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.529802][  T200] RSP: 002b:00007ffcd121cf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.530075][  T200] RAX: ffffffffffffffda RBX: 00007ffcd121d6b8 RCX: 00007fe02334508e
[    9.530345][  T200] RDX: 0000000000000000 RSI: 00007ffcd121cfd0 RDI: 0000000000000005
[    9.530606][  T200] RBP: 00007ffcd121cf30 R08: 0000000000000000 R09: 0000000000000000
[    9.530867][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6ab


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