======================================
| xx__-> [    9.046097][  T186] ------------[ cut here ]------------
| [    9.046321][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.046578][  T186] Modules linked in: veth
| [    9.047027][  T186] Tainted: [W]=WARN
[    9.047138][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.047321][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.047621][  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
[    9.048392][  T186] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[    9.048578][  T186] RAX: 00000000ffffffa6 RBX: ff11000004f09700 RCX: 1ff4000000108d8c
[    9.049006][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f097b8
[    9.049270][  T186] RBP: ff11000008849000 R08: 1fe22000009e12f8 R09: ff1100000c688b80
[    9.049584][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.049798][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a605c80
[    9.050125][  T186] FS:  00007f87ca68f840(0000) GS:ff1100007ffb0000(0000) knlGS:0000000000000000
[    9.050380][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.050561][  T186] CR2: 000000000042ebe0 CR3: 000000000c787002 CR4: 0000000000771ef0
[    9.050778][  T186] PKRU: 55555554
[    9.050893][  T186] Call Trace:
[    9.051009][  T186]  <TASK>
[    9.051084][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.051273][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.051418][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.051528][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.051675][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.051821][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.051988][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.052140][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.052386][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.052631][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.052776][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.052927][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.053083][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.053232][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.053378][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.053526][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.053707][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.053855][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.054009][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.054274][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.054419][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.054565][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.054807][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.054959][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.055178][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.055328][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.055472][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.055616][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.055766][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.055922][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.056074][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.056229][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.056375][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.056519][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.056663][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.056810][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.056964][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.057117][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.057270][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.057418][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.057563][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.057710][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.057855][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.058016][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.058167][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.058314][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.058465][  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))
[    9.058611][  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))
[    9.058759][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.058911][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.059063][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.059213][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.059359][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.059507][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.059658][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.059803][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.060056][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.060237][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.060385][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.060527][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.060674][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.060937][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.061087][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.061234][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.061380][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.061526][  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)
[    9.061672][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.061819][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.061969][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.062119][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.062268][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.062412][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.062590][  T186] RIP: 0033:0x7f87ca8c908e
[    9.062745][  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
[    9.063374][  T186] RSP: 002b:00007ffc5eba1dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.063595][  T186] RAX: ffffffffffffffda RBX: 00007ffc5eba2558 RCX: 00007f87ca8c908e
[    9.063811][  T186] RDX: 0000000000000000 RSI: 00007ffc5eba1e70 RDI: 0000000000000005
[    9.064037][  T186] RBP: 00007ffc5eba1dd0 R08: 0000000000000000 R09: 0000000000000000
[    9.064256][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007
[    9.064471][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5eba2530
| [    9.081409][  T186] ------------[ cut here ]------------
| [    9.081571][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.081815][  T186] Modules linked in: veth
| [    9.082261][  T186] Tainted: [W]=WARN
[    9.082368][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.082543][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.082730][  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
[    9.083245][  T186] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[    9.083424][  T186] RAX: 00000000ffffffa6 RBX: ff1100000a6f2580 RCX: 1ff4000000108dfc
[    9.083640][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a6f2638
[    9.083851][  T186] RBP: ff11000008f49000 R08: 1fe22000014de4c8 R09: ff1100000c688b80
[    9.084079][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.084291][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.084508][  T186] FS:  00007f87ca68f840(0000) GS:ff1100007ffb0000(0000) knlGS:0000000000000000
[    9.084756][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.084936][  T186] CR2: 000000000042ebe0 CR3: 000000000c787002 CR4: 0000000000771ef0
[    9.085150][  T186] PKRU: 55555554
[    9.085259][  T186] Call Trace:
[    9.085364][  T186]  <TASK>
[    9.085437][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.085579][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.085688][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.085828][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.085977][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.086123][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.086271][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.086415][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.086559][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.086702][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.086844][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.087052][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.087204][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.087345][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.087487][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.087627][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.087765][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.087912][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088094][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088238][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.088378][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.088517][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.088656][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.088795][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.088947][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.089105][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.089254][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.089394][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.089533][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.089676][  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))
[    9.089815][  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))
[    9.089960][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.090108][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.090250][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.090388][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.090528][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.090669][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.090812][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.090960][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.091108][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.091286][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.091429][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.091567][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.091706][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.091859][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.092011][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.092155][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.092299][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.092442][  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)
[    9.092582][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.092722][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.092862][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.093014][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.093157][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.093302][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.093475][  T186] RIP: 0033:0x7f87ca8c908e
[    9.093622][  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
[    9.094130][  T186] RSP: 002b:00007ffc5eba1dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.094345][  T186] RAX: ffffffffffffffda RBX: 00007ffc5eba2558 RCX: 00007f87ca8c908e
[    9.094553][  T186] RDX: 0000000000000000 RSI: 00007ffc5eba1e70 RDI: 0000000000000005
[    9.094761][  T186] RBP: 00007ffc5eba1dd0 R08: 0000000000000000 R09: 0000000000000000
[    9.094975][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007
[    9.095191][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5eba2530
| [    9.376212][  T193] ------------[ cut here ]------------
| [    9.376453][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.376767][  T193] Modules linked in: veth
| [    9.377301][  T193] Tainted: [W]=WARN
[    9.377467][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.377703][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.377963][  T193] 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
[    9.378554][  T193] RSP: 0018:ffa00000005d6e30 EFLAGS: 00010286
[    9.378785][  T193] RAX: 00000000ffffffa6 RBX: ff11000004eada80 RCX: 1ff40000000bad8c
[    9.379070][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004eadb38
[    9.379346][  T193] RBP: ff1100000c139000 R08: 1fe22000009d5b68 R09: ff1100000c19d180
[    9.379619][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.379894][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005d51580
[    9.380181][  T193] FS:  00007f090c478840(0000) GS:ff110000800b0000(0000) knlGS:0000000000000000
[    9.380500][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.380736][  T193] CR2: 000056375d12f028 CR3: 000000000c527005 CR4: 0000000000771ef0
[    9.381028][  T193] PKRU: 55555554
[    9.381190][  T193] Call Trace:
[    9.381357][  T193]  <TASK>
[    9.381482][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.381685][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.381845][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.382090][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.382303][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.382494][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.382687][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.382879][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.383092][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.383300][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.383500][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.383697][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.383903][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.384120][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.384328][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.384531][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.384761][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.384969][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.385179][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.385402][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.385599][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.385798][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.386019][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.386219][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.386414][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.386607][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.386797][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.387013][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.387216][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.387413][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.387612][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.387802][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.388017][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.388217][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.388409][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.388606][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.388799][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.389066][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.389271][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.389461][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.389650][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.389840][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.390052][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.390252][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.390442][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.390636][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.390830][  T193]  ? 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))
[    9.391040][  T193]  ? 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))
[    9.391240][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.391432][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.391622][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.391814][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.392033][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.392231][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.392425][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.392619][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.392810][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.393050][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.393253][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.393446][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.393637][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.393837][  T193]  ? 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))
[    9.394051][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.394252][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.394446][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.394638][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.394829][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.395045][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.395242][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.395435][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.395660][  T193] RIP: 0033:0x7f090c6b208e
[    9.395859][  T193] 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
[    9.396434][  T193] RSP: 002b:00007fff6b025510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.396694][  T193] RAX: ffffffffffffffda RBX: 00007fff6b025ca8 RCX: 00007f090c6b208e
[    9.396960][  T193] RDX: 0000000000000000 RSI: 00007fff6b0255c0 RDI: 0000000000000005
[    9.397233][  T193] RBP: 00007fff6b025520 R08: 0000000000000000 R09: 0000000000000000
[    9.397494][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007
[    9.397750][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6b025c80
| [    9.408486][  T193] ------------[ cut here ]------------
| [    9.408684][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.408975][  T193] Modules linked in: veth
| [    9.409899][  T193] Tainted: [W]=WARN
[    9.410064][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.410303][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.410532][  T193] 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
[    9.411086][  T193] RSP: 0018:ffa00000005d71b0 EFLAGS: 00010286
[    9.411333][  T193] RAX: 00000000ffffffa6 RBX: ff1100000b3c91c0 RCX: 1ff40000000badfc
[    9.411589][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3c9278
[    9.411842][  T193] RBP: ff1100000c3fc000 R08: 1fe2200001679250 R09: ff1100000c19d180
[    9.412115][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.412379][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.412643][  T193] FS:  00007f090c478840(0000) GS:ff110000800b0000(0000) knlGS:0000000000000000
[    9.412942][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.413178][  T193] CR2: 000056375d12f028 CR3: 000000000c527005 CR4: 0000000000771ef0
[    9.413445][  T193] PKRU: 55555554
[    9.413598][  T193] Call Trace:
[    9.413750][  T193]  <TASK>
[    9.413870][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.414081][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.414243][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.414432][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.414620][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.414811][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.415019][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.415211][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.415399][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.415591][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.415779][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.415978][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.416182][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.416380][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.416565][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.416753][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.416946][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.417146][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.417347][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.417535][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.417724][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.417915][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.418116][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.418309][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.418497][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.418681][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.418872][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.419084][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.419286][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.419477][  T193]  ? 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))
[    9.419661][  T193]  ? 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))
[    9.419851][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.420056][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.420250][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.420439][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.420629][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.420819][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.421031][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.421224][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.421428][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.421647][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.421838][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.422050][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.422245][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.422441][  T193]  ? 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))
[    9.422628][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.422815][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.423028][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.423219][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.423408][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.423599][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.423786][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.423983][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.424220][  T193] RIP: 0033:0x7f090c6b208e
[    9.424416][  T193] 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
[    9.424955][  T193] RSP: 002b:00007fff6b025510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.425226][  T193] RAX: ffffffffffffffda RBX: 00007fff6b025ca8 RCX: 00007f090c6b208e
[    9.425481][  T193] RDX: 0000000000000000 RSI: 00007fff6b0255c0 RDI: 0000000000000005
[    9.425745][  T193] RBP: 00007fff6b025520 R08: 0000000000000000 R09: 0000000000000000
[    9.426021][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007
[    9.426287][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6b025c80
| [    9.601921][  T199] ------------[ cut here ]------------
| [    9.602191][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/199
| [    9.602505][  T199] Modules linked in: veth
| [    9.603162][  T199] Tainted: [W]=WARN
[    9.603329][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.603561][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.603803][  T199] 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
[    9.604501][  T199] RSP: 0018:ffa00000005d6e30 EFLAGS: 00010286
[    9.604847][  T199] RAX: 00000000ffffffa6 RBX: ff11000009008c80 RCX: 1ff40000000bad8c
[    9.605226][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009008d38
[    9.605588][  T199] RBP: ff110000097b4000 R08: 1fe22000012011a8 R09: ff1100000c5a5180
[    9.605947][  T199] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.606325][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a606000
[    9.606691][  T199] FS:  00007fc26820d840(0000) GS:ff110000800b0000(0000) knlGS:0000000000000000
[    9.607084][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.607394][  T199] CR2: 000000000042ebe0 CR3: 000000000d493002 CR4: 0000000000771ef0
[    9.607748][  T199] PKRU: 55555554
[    9.607953][  T199] Call Trace:
[    9.608123][  T199]  <TASK>
[    9.608254][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.608452][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.608651][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.608817][  T199]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.609034][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.609236][  T199]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.609430][  T199]  ? 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)
[    9.609624][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.609817][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.610033][  T199]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.610236][  T199]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.610431][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.610630][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.610824][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.611043][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.611243][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.611437][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.611636][  T199] veth_newlink (drivers/net/veth.c:1871) veth
[    9.611834][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.612087][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.612294][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.612489][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.612699][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.612900][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.613115][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.613314][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.613512][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.613708][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.613912][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.614120][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.614321][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.614522][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.614722][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.614928][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.615138][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.615344][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.615536][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.615728][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.615939][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.616210][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.616408][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.616604][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.616800][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.617018][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.617239][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.617432][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.617630][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.617824][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.618042][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.618250][  T199]  ? 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))
[    9.618448][  T199]  ? 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))
[    9.618650][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.618854][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.619093][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.619300][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.619498][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.619694][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.619901][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.620113][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.620318][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.620546][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.620748][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.620953][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.621166][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.621382][  T199]  ? 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))
[    9.621583][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.621780][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.621989][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.622208][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.622409][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.622605][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.622801][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.623024][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.623264][  T199] RIP: 0033:0x7fc26844708e
[    9.623470][  T199] 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
[    9.624048][  T199] RSP: 002b:00007ffd8c2a3330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.624325][  T199] RAX: ffffffffffffffda RBX: 00007ffd8c2a3ac8 RCX: 00007fc26844708e
[    9.624589][  T199] RDX: 0000000000000000 RSI: 00007ffd8c2a33e0 RDI: 0000000000000005
[    9.624851][  T199] RBP: 00007ffd8c2a3340 R08: 0000000000000000 R09: 0000000000000000
[    9.625137][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007
[    9.625410][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8c2a3aa0
| [    9.638756][  T199] ------------[ cut here ]------------
| [    9.638936][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/199
| [    9.639945][  T199] Modules linked in: veth
| [    9.640365][  T199] Tainted: [W]=WARN
[    9.640475][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.640677][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.640861][  T199] 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
[    9.641375][  T199] RSP: 0018:ffa00000005d71b0 EFLAGS: 00010286
[    9.641552][  T199] RAX: 00000000ffffffa6 RBX: ff1100000d668c80 RCX: 1ff40000000badfc
[    9.641762][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d668d38
[    9.641978][  T199] RBP: ff11000008519000 R08: 1fe2200001acd1a8 R09: ff1100000c5a5180
[    9.642194][  T199] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.642405][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.642636][  T199] FS:  00007fc26820d840(0000) GS:ff11000080030000(0000) knlGS:0000000000000000
[    9.642892][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.643083][  T199] CR2: 000055fb84e2a968 CR3: 000000000d493005 CR4: 0000000000771ef0
[    9.643307][  T199] PKRU: 55555554
[    9.643416][  T199] Call Trace:
[    9.643525][  T199]  <TASK>
[    9.643602][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.643751][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.643862][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.644017][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.644161][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.644303][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.644447][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.644590][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.644731][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.644870][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.645018][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.645163][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.645309][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.645451][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.645590][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.645733][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.645871][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.646021][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.646165][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.646309][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.646448][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.646588][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.646727][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.646867][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.647017][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.647155][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.647300][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.647456][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.647598][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.647742][  T199]  ? 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))
[    9.647882][  T199]  ? 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))
[    9.648038][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.648182][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.648330][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.648471][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.648611][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.648752][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.648900][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.649046][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.649186][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.649364][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.649507][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.649645][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.649785][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.649940][  T199]  ? 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))
[    9.650087][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.650231][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.650375][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.650516][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.650654][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.650794][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.650937][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.651084][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.651262][  T199] RIP: 0033:0x7fc26844708e
[    9.651406][  T199] 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
[    9.651902][  T199] RSP: 002b:00007ffd8c2a3330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.652118][  T199] RAX: ffffffffffffffda RBX: 00007ffd8c2a3ac8 RCX: 00007fc26844708e
[    9.652328][  T199] RDX: 0000000000000000 RSI: 00007ffd8c2a33e0 RDI: 0000000000000005
[    9.652533][  T199] RBP: 00007ffd8c2a3340 R08: 0000000000000000 R09: 0000000000000000
[    9.652738][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d007


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