======================================
| xx__-> [    9.926481][  T186] ------------[ cut here ]------------
| [    9.926703][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.926956][  T186] Modules linked in: veth
| [    9.927425][  T186] Tainted: [W]=WARN
[    9.927532][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.927712][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.927902][  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
[    9.928448][  T186] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[    9.928634][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bc3b700 RCX: 1ff4000000106d8c
[    9.928849][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc3b7b8
[    9.929063][  T186] RBP: ff11000005cec000 R08: 1fe22000017876f8 R09: ff1100000c902e80
[    9.929344][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.929600][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc96000
[    9.929818][  T186] FS:  00007f4a5b3c5840(0000) GS:ff1100008cbb0000(0000) knlGS:0000000000000000
[    9.930070][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.930281][  T186] CR2: 000000000042ebe0 CR3: 000000000ca2d002 CR4: 0000000000771ef0
[    9.930504][  T186] PKRU: 55555554
[    9.930613][  T186] Call Trace:
[    9.930721][  T186]  <TASK>
[    9.930795][  T186]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.930952][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.931097][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.931209][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.931371][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.931522][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.931664][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.931805][  T186]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.931946][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.932087][  T186]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.932275][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.932427][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.932569][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.932713][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.932889][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.933033][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.933200][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.933367][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.933509][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.933654][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.933891][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.934036][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.934184][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.934338][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.934479][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.934622][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.934769][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.934915][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.935059][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.935207][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.935363][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.935503][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.935642][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.935786][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.935929][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.936069][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.936400][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.936539][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.936679][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.936822][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.936961][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.937104][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.937256][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.937401][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.937546][  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))
[    9.937686][  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))
[    9.937828][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.937970][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.938113][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.938266][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.938414][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.938631][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.938775][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.938922][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.939065][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.939250][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.939403][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.939546][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.939687][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.939841][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.939986][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.940128][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.940387][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.940532][  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)
[    9.940679][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940825][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940967][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.941110][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.941265][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.941415][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.941686][  T186] RIP: 0033:0x7f4a5b5ff08e
[    9.941943][  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
[    9.942667][  T186] RSP: 002b:00007ffd8a3b8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.942983][  T186] RAX: ffffffffffffffda RBX: 00007ffd8a3b8f08 RCX: 00007f4a5b5ff08e
[    9.943200][  T186] RDX: 0000000000000000 RSI: 00007ffd8a3b8820 RDI: 0000000000000005
[    9.943422][  T186] RBP: 00007ffd8a3b8780 R08: 0000000000000000 R09: 0000000000000000
[    9.943634][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[    9.943846][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8a3b8ee0
| [    9.957948][  T186] ------------[ cut here ]------------
| [    9.958104][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.958880][  T186] Modules linked in: veth
| [    9.959341][  T186] Tainted: [W]=WARN
[    9.959447][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.959677][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.959856][  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
[    9.960410][  T186] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[    9.960584][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b0e7e00 RCX: 1ff4000000106dfc
[    9.960787][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0e7eb8
[    9.960991][  T186] RBP: ff11000008b41000 R08: 1fe220000161cfd8 R09: ff1100000c902e80
[    9.961199][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.961468][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.961675][  T186] FS:  00007f4a5b3c5840(0000) GS:ff1100008cbb0000(0000) knlGS:0000000000000000
[    9.961923][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.962099][  T186] CR2: 000000000042ebe0 CR3: 000000000ca2d002 CR4: 0000000000771ef0
[    9.962377][  T186] PKRU: 55555554
[    9.962479][  T186] Call Trace:
[    9.962582][  T186]  <TASK>
[    9.962653][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.962794][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.962898][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.963037][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.963177][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.963379][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.963519][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.963656][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.963793][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.963929][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.964065][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.964210][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.964414][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.964552][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.964688][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.964824][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.964961][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.965098][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.965303][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.965449][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.965585][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.965720][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.965854][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.965992][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.966133][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.966344][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.966485][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.966622][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.966757][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.966895][  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))
[    9.967033][  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))
[    9.967174][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.967384][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.967523][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.967660][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.967797][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.967936][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.968075][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.968220][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.968419][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.968589][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.968728][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.968863][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969000][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.969151][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.969366][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.969509][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.969647][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969787][  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)
[    9.969927][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.970068][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.970210][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.970412][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.970548][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.970683][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.970853][  T186] RIP: 0033:0x7f4a5b5ff08e
[    9.970997][  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
[    9.971550][  T186] RSP: 002b:00007ffd8a3b8770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.971757][  T186] RAX: ffffffffffffffda RBX: 00007ffd8a3b8f08 RCX: 00007f4a5b5ff08e
[    9.971959][  T186] RDX: 0000000000000000 RSI: 00007ffd8a3b8820 RDI: 0000000000000005
[    9.972167][  T186] RBP: 00007ffd8a3b8780 R08: 0000000000000000 R09: 0000000000000000
[    9.972433][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[    9.972639][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8a3b8ee0
| [   10.095977][  T191] ------------[ cut here ]------------
| [   10.096160][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   10.096428][  T191] Modules linked in: veth
| [   10.096852][  T191] Tainted: [W]=WARN
[   10.096960][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.097141][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.097411][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.098028][  T191] RSP: 0018:ffa0000000836e30 EFLAGS: 00010286
[   10.098214][  T191] RAX: 00000000ffffffa6 RBX: ff1100000bc36200 RCX: 1ff4000000106d8c
[   10.098490][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bc362b8
[   10.098701][  T191] RBP: ff11000007544000 R08: 1fe2200001786c58 R09: ff1100000a3bd180
[   10.098912][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.099122][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050df880
[   10.099405][  T191] FS:  00007f51d37c6840(0000) GS:ff1100008cbb0000(0000) knlGS:0000000000000000
[   10.099657][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.099840][  T191] CR2: 000000000042ebe0 CR3: 000000000c667006 CR4: 0000000000771ef0
[   10.100054][  T191] PKRU: 55555554
[   10.100168][  T191] Call Trace:
[   10.100347][  T191]  <TASK>
[   10.100422][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.100582][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.100699][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.100880][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.101046][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.101212][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.101462][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.101638][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.101823][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   10.101999][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.102151][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.102435][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.102593][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.102794][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.102968][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.103152][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.103425][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.103601][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.103792][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.103964][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.104140][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.104375][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.104559][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.104731][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.104889][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.105046][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.105291][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.105476][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.105645][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.105826][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.105974][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.106134][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.106371][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.106527][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.106697][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.106891][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.107095][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.107345][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.107547][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.107717][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.107886][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.108039][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.108187][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.108414][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.108557][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.108708][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.108856][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.109011][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.109168][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.109375][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.109537][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.109688][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.109831][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.109994][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.110141][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.110330][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.110484][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.110671][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.110829][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.110980][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.111131][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.111308][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.111468][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.111611][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.111758][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.111909][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.112059][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.112219][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.112417][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.112605][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.112823][  T191] RIP: 0033:0x7f51d3a0008e
[   10.113030][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.113624][  T191] RSP: 002b:00007ffcf466a990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.113874][  T191] RAX: ffffffffffffffda RBX: 00007ffcf466b128 RCX: 00007f51d3a0008e
[   10.114091][  T191] RDX: 0000000000000000 RSI: 00007ffcf466aa40 RDI: 0000000000000005
[   10.114381][  T191] RBP: 00007ffcf466a9a0 R08: 0000000000000000 R09: 0000000000000000
[   10.114647][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f
[   10.114918][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf466b100
| [   10.128876][  T191] ------------[ cut here ]------------
| [   10.129033][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/191
| [   10.129330][  T191] Modules linked in: veth
| [   10.129719][  T191] Tainted: [W]=WARN
[   10.129826][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.129997][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.130180][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.130680][  T191] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[   10.130853][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c2791c0 RCX: 1ff4000000106dfc
[   10.131056][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c279278
[   10.131271][  T191] RBP: ff1100000a3b1000 R08: 1fe220000184f250 R09: ff1100000a3bd180
[   10.131480][  T191] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.131682][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.131889][  T191] FS:  00007f51d37c6840(0000) GS:ff1100008cbb0000(0000) knlGS:0000000000000000
[   10.132132][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.132311][  T191] CR2: 000000000042ebe0 CR3: 000000000c667006 CR4: 0000000000771ef0
[   10.132519][  T191] PKRU: 55555554
[   10.132622][  T191] Call Trace:
[   10.132726][  T191]  <TASK>
[   10.132798][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.132937][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.133052][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.133197][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.133365][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.133507][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.133651][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.133800][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.133942][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.134085][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.134242][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.134392][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.134536][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.134678][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.134819][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.134959][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.135103][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.135261][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.135407][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.135547][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.135690][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.135835][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.135978][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.136116][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.136272][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.136418][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.136560][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.136695][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.136835][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.136978][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.137117][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.137271][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.137420][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.137561][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.137705][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.137853][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.138000][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.138143][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.138294][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.138437][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.138614][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.138761][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.138900][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.139038][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.139189][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.139338][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.139477][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.139629][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.139769][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.139907][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.140045][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.140196][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.140344][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.140516][  T191] RIP: 0033:0x7f51d3a0008e
[   10.140662][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.141162][  T191] RSP: 002b:00007ffcf466a990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.141385][  T191] RAX: ffffffffffffffda RBX: 00007ffcf466b128 RCX: 00007f51d3a0008e
[   10.141589][  T191] RDX: 0000000000000000 RSI: 00007ffcf466aa40 RDI: 0000000000000005
[   10.141794][  T191] RBP: 00007ffcf466a9a0 R08: 0000000000000000 R09: 0000000000000000
[   10.141999][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce3f


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