======================================
| xx__-> [    8.855561][  T186] ------------[ cut here ]------------
| [    8.855792][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    8.856039][  T186] Modules linked in: veth
| [    8.856517][  T186] Tainted: [W]=WARN
[    8.856620][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.856834][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.857013][  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
[    8.857502][  T186] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[    8.857690][  T186] RAX: 00000000ffffffa6 RBX: ff11000001e41700 RCX: 1ff400000012ad8c
[    8.857898][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e417b8
[    8.858100][  T186] RBP: ff11000007ac9000 R08: 1fe22000003c82f8 R09: ff1100000c4d8b80
[    8.858302][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.858504][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005766700
[    8.858714][  T186] FS:  00007f778896f840(0000) GS:ff110000a9c30000(0000) knlGS:0000000000000000
[    8.858958][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.859130][  T186] CR2: 0000557c9cca58e0 CR3: 000000000c4c7001 CR4: 0000000000771ef0
[    8.859332][  T186] PKRU: 55555554
[    8.859435][  T186] Call Trace:
[    8.859536][  T186]  <TASK>
[    8.859607][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.859789][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.859926][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.860028][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.860165][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.860299][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.860436][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.860570][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.860711][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.860854][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.860990][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.861125][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.861259][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.861396][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.861532][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    8.861672][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.861844][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.861981][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.862115][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.862265][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.862401][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.862539][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.862681][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.862821][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.862957][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.863092][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.863227][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.863361][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.863502][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.863640][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.863848][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.863985][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.864120][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.864253][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.864386][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.864525][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.864720][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.864921][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.865057][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.865192][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.865326][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.865462][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.865596][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.865795][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.865935][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.866070][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.866209][  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))
[    8.866343][  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))
[    8.866480][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.866616][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.866835][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.866977][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.867112][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.867250][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.867386][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.867522][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.867715][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.867860][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.867997][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.868131][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.868279][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.868413][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.868548][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.868688][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.868831][  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)
[    8.868970][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.869106][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.869242][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.869376][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.869511][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.869646][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.869824][  T186] RIP: 0033:0x7f7788ba908e
[    8.869968][  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
[    8.870444][  T186] RSP: 002b:00007ffcf623bbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.870646][  T186] RAX: ffffffffffffffda RBX: 00007ffcf623c358 RCX: 00007f7788ba908e
[    8.870860][  T186] RDX: 0000000000000000 RSI: 00007ffcf623bc70 RDI: 0000000000000005
[    8.871061][  T186] RBP: 00007ffcf623bbd0 R08: 0000000000000000 R09: 0000000000000000
[    8.871262][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1
[    8.871462][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf623c330
| [    8.880930][  T186] ------------[ cut here ]------------
| [    8.881076][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    8.881302][  T186] Modules linked in: veth
| [    8.881843][  T186] Tainted: [W]=WARN
[    8.881943][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.882103][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.882270][  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
[    8.882734][  T186] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[    8.882902][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b8eb000 RCX: 1ff400000012adfc
[    8.883094][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8eb0b8
[    8.883289][  T186] RBP: ff110000059f4000 R08: 1fe220000171d618 R09: ff1100000c4d8b80
[    8.883482][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.883690][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.883890][  T186] FS:  00007f778896f840(0000) GS:ff110000a9c30000(0000) knlGS:0000000000000000
[    8.884117][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.884280][  T186] CR2: 0000557c9cca58e0 CR3: 000000000c4c7001 CR4: 0000000000771ef0
[    8.884474][  T186] PKRU: 55555554
[    8.884570][  T186] Call Trace:
[    8.884670][  T186]  <TASK>
[    8.884737][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.884870][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.884972][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    8.885103][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    8.885231][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.885360][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.885493][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.885625][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.885764][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.885896][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.886024][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.886157][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.886289][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.886417][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.886546][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.886680][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.886812][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.886943][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.887076][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.887207][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.887335][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.887464][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.887593][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.887728][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.887863][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.887993][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.888124][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.888253][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.888383][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.888516][  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))
[    8.888644][  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))
[    8.888784][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.888919][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.889049][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.889181][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.889313][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.889445][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.889576][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.889710][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.889880][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    8.890017][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    8.890146][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.890275][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.890416][  T186]  __sys_sendmsg (net/socket.c:2784)
[    8.890546][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.890681][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.890816][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.890950][  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)
[    8.891080][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.891206][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.891336][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.891464][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.891593][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.891727][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.891895][  T186] RIP: 0033:0x7f7788ba908e
[    8.892030][  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
[    8.892488][  T186] RSP: 002b:00007ffcf623bbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.892689][  T186] RAX: ffffffffffffffda RBX: 00007ffcf623c358 RCX: 00007f7788ba908e
[    8.892890][  T186] RDX: 0000000000000000 RSI: 00007ffcf623bc70 RDI: 0000000000000005
[    8.893081][  T186] RBP: 00007ffcf623bbd0 R08: 0000000000000000 R09: 0000000000000000
[    8.893274][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1
[    8.893467][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf623c330
| [    9.018769][  T192] ------------[ cut here ]------------
| [    9.018950][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.019194][  T192] Modules linked in: veth
| [    9.019582][  T192] Tainted: [W]=WARN
[    9.020227][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.020398][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.020578][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.021068][  T192] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[    9.021238][  T192] RAX: 00000000ffffffa6 RBX: ff1100000c1283c0 RCX: 1ff400000011cd8c
[    9.021439][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c128478
[    9.021639][  T192] RBP: ff1100000a13c000 R08: 1fe2200001825090 R09: ff1100000c71d180
[    9.021850][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.022048][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a889580
[    9.022252][  T192] FS:  00007fccb13e2840(0000) GS:ff110000a9d30000(0000) knlGS:0000000000000000
[    9.022491][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.022672][  T192] CR2: 000000000042ebe0 CR3: 000000000c5e6006 CR4: 0000000000771ef0
[    9.022881][  T192] PKRU: 55555554
[    9.022981][  T192] Call Trace:
[    9.023081][  T192]  <TASK>
[    9.023150][  T192]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.023290][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.023427][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.023529][  T192]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.023669][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.023805][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.023941][  T192]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.024073][  T192]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.024208][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.024344][  T192]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.024514][  T192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.024653][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.024798][  T192] veth_newlink (drivers/net/veth.c:1871) veth
[    9.024934][  T192]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.025100][  T192]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.025235][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.025368][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.025517][  T192]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.025653][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.025802][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.025936][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.026071][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.026207][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.026344][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.026477][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.026611][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.026754][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.026898][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.027033][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.027165][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.027302][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.027435][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.027568][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.027709][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.027849][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.027981][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.028113][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.028246][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.028379][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.028513][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.028644][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.028788][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.028920][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.029052][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.029187][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.029318][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.029454][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.029588][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.029726][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.029864][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.029998][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.030132][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.030267][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.030402][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.030534][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.030703][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.030844][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.030976][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.031107][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.031248][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.031385][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.031517][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.031660][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.031799][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.031934][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.032068][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.032201][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.032334][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.032500][  T192] RIP: 0033:0x7fccb161c08e
[    9.032641][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.033127][  T192] RSP: 002b:00007fffe9c74e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.033328][  T192] RAX: ffffffffffffffda RBX: 00007fffe9c75618 RCX: 00007fccb161c08e
[    9.033526][  T192] RDX: 0000000000000000 RSI: 00007fffe9c74f30 RDI: 0000000000000005
[    9.033729][  T192] RBP: 00007fffe9c74e90 R08: 0000000000000000 R09: 0000000000000000
[    9.033936][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1
[    9.034133][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe9c755f0
| [    9.043189][  T192] ------------[ cut here ]------------
| [    9.043344][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.043578][  T192] Modules linked in: veth
| [    9.043963][  T192] Tainted: [W]=WARN
[    9.044062][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.044224][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.044396][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.044867][  T192] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[    9.045033][  T192] RAX: 00000000ffffffa6 RBX: ff1100000d582200 RCX: 1ff400000011cdfc
[    9.045228][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5822b8
[    9.045422][  T192] RBP: ff1100000a154000 R08: 1fe2200001ab0458 R09: ff1100000c71d180
[    9.045616][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.045821][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.046019][  T192] FS:  00007fccb13e2840(0000) GS:ff110000a9d30000(0000) knlGS:0000000000000000
[    9.046249][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.046416][  T192] CR2: 000000000042ebe0 CR3: 000000000c5e6006 CR4: 0000000000771ef0
[    9.046612][  T192] PKRU: 55555554
[    9.046716][  T192] Call Trace:
[    9.046819][  T192]  <TASK>
[    9.046889][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.047023][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.047124][  T192]  __dev_notify_flags (net/core/dev.c:9787)
[    9.047258][  T192]  ? netif_change_name (net/core/dev.c:1495)
[    9.047389][  T192]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.047519][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.047653][  T192]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.047797][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.047932][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.048064][  T192]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.048194][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.048329][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.048463][  T192]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.048595][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.048731][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.048867][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.048999][  T192]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.049128][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.049263][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.049393][  T192]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.049524][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.049660][  T192]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.049795][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.050018][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.050151][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.050280][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.050498][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.050633][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.050778][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.050921][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.051144][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.051278][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.051410][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.051542][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.051682][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.051822][  T192]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.051961][  T192]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.052098][  T192]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.052234][  T192]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.052366][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.052532][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[    9.052671][  T192]  ___sys_sendmsg (net/socket.c:2752)
[    9.052897][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.053027][  T192]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.053166][  T192]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.053299][  T192]  __sys_sendmsg (net/socket.c:2784)
[    9.053513][  T192]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.053646][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.053785][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.053915][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.054131][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.054261][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.054390][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.054550][  T192] RIP: 0033:0x7fccb161c08e
[    9.054789][  T192] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.055339][  T192] RSP: 002b:00007fffe9c74e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.055533][  T192] RAX: ffffffffffffffda RBX: 00007fffe9c75618 RCX: 00007fccb161c08e
[    9.055730][  T192] RDX: 0000000000000000 RSI: 00007fffe9c74f30 RDI: 0000000000000005
[    9.056016][  T192] RBP: 00007fffe9c74e90 R08: 0000000000000000 R09: 0000000000000000
[    9.056207][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1
[    9.056400][  T192] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe9c755f0
| [    9.328318][  T200] ------------[ cut here ]------------
| [    9.328502][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.328759][  T200] Modules linked in: veth
| [    9.329226][  T200] Tainted: [W]=WARN
[    9.329333][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.329509][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.329701][  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
[    9.330200][  T200] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[    9.330376][  T200] RAX: 00000000ffffffa6 RBX: ff1100000c1283c0 RCX: 1ff4000000120d8c
[    9.330581][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c128478
[    9.330799][  T200] RBP: ff1100000c181000 R08: 1fe2200001825090 R09: ff1100000c04d180
[    9.331005][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.331212][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e7e2a80
[    9.331423][  T200] FS:  00007fe45b320840(0000) GS:ff110000a9bb0000(0000) knlGS:0000000000000000
[    9.331861][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.332037][  T200] CR2: 000000000042ebe0 CR3: 000000000d450003 CR4: 0000000000771ef0
[    9.332247][  T200] PKRU: 55555554
[    9.332351][  T200] Call Trace:
[    9.332454][  T200]  <TASK>
[    9.332526][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.332670][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.332815][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.332920][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.333060][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.333197][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.333334][  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)
[    9.333469][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.333622][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.333774][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.333914][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.334054][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.334194][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.334331][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.334470][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.334606][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.334750][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.334896][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.335036][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.335205][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.335343][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.335480][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.335634][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.335784][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.335925][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.336062][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.336202][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.336341][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.336480][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.336618][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.336764][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.336909][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.337051][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.337191][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.337327][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.337466][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.337601][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.337746][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.337893][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.338028][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.338164][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.338300][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.338436][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.338572][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.338717][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.338858][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.338998][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.339136][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.339276][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.339417][  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))
[    9.339553][  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))
[    9.339698][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.339843][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.339985][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.340127][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.340268][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.340406][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.340547][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.340691][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.340832][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.341003][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.341146][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.341284][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.341422][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.341568][  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))
[    9.341716][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.341861][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.342002][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.342152][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.342289][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.342428][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.342567][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.342714][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.342893][  T200] RIP: 0033:0x7fe45b55a08e
[    9.343036][  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
[    9.343516][  T200] RSP: 002b:00007ffff0c755e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.343729][  T200] RAX: ffffffffffffffda RBX: 00007ffff0c75d78 RCX: 00007fe45b55a08e
[    9.343935][  T200] RDX: 0000000000000000 RSI: 00007ffff0c75690 RDI: 0000000000000005
[    9.344138][  T200] RBP: 00007ffff0c755f0 R08: 0000000000000000 R09: 0000000000000000
[    9.344342][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1
[    9.344547][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff0c75d50
| [    9.357513][  T200] ------------[ cut here ]------------
| [    9.358189][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.358429][  T200] Modules linked in: veth
| [    9.358872][  T200] Tainted: [W]=WARN
[    9.358974][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.359141][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.359372][  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
[    9.359919][  T200] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[    9.360087][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b8ebc40 RCX: 1ff4000000120dfc
[    9.360288][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8ebcf8
[    9.360487][  T200] RBP: ff1100000c164000 R08: 1fe220000171d7a0 R09: ff1100000c04d180
[    9.360743][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.360944][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.361140][  T200] FS:  00007fe45b320840(0000) GS:ff110000a9bb0000(0000) knlGS:0000000000000000
[    9.361368][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.361535][  T200] CR2: 000000000042ebe0 CR3: 000000000d450003 CR4: 0000000000771ef0
[    9.361790][  T200] PKRU: 55555554
[    9.361892][  T200] Call Trace:
[    9.361990][  T200]  <TASK>
[    9.362059][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.362195][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.362295][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.362429][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.362562][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.362751][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.362892][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.363026][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.363162][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.363294][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.363426][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.363562][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.363755][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.363896][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.364029][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.364165][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.364295][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.364425][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.364560][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.364749][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.364885][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.365018][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.365148][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.365279][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.365411][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.365541][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.365731][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.365866][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.365997][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.366132][  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))
[    9.366263][  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))
[    9.366396][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.366528][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.366714][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.366852][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.366986][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.367118][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.367254][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.367387][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.367519][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.367737][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.367875][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.368007][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.368137][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.368278][  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))
[    9.368412][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.368545][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.368735][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.368871][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.369006][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.369137][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.369270][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.369405][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.369572][  T200] RIP: 0033:0x7fe45b55a08e
[    9.369783][  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
[    9.370251][  T200] RSP: 002b:00007ffff0c755e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.370452][  T200] RAX: ffffffffffffffda RBX: 00007ffff0c75d78 RCX: 00007fe45b55a08e
[    9.370648][  T200] RDX: 0000000000000000 RSI: 00007ffff0c75690 RDI: 0000000000000005
[    9.370907][  T200] RBP: 00007ffff0c755f0 R08: 0000000000000000 R09: 0000000000000000
[    9.371101][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5d1


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