======================================
| xx__-> [    9.082847][  T186] ------------[ cut here ]------------
| [    9.083261][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.083517][  T186] Modules linked in: veth
| [    9.084175][  T186] Tainted: [W]=WARN
[    9.084293][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.084471][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.084661][  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
[    9.085177][  T186] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[    9.085369][  T186] RAX: 00000000ffffffa6 RBX: ff1100000ba7f8c0 RCX: 1ff400000011ad8c
[    9.085583][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba7f978
[    9.085795][  T186] RBP: ff11000009a1c000 R08: 1fe220000174ff30 R09: ff1100000c29ae80
[    9.086008][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.086238][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004bdf500
[    9.086650][  T186] FS:  00007f9d489ff840(0000) GS:ff110000a79b0000(0000) knlGS:0000000000000000
[    9.087008][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.087211][  T186] CR2: 00007f0ec4e4a808 CR3: 000000000d267006 CR4: 0000000000771ef0
[    9.087433][  T186] PKRU: 55555554
[    9.087542][  T186] Call Trace:
[    9.087649][  T186]  <TASK>
[    9.087724][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.087904][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.088046][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.088271][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.088417][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.088560][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.088713][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088856][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.088996][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.089148][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.089499][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.089644][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.089784][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.089927][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.090070][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.090336][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.090610][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.090754][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.090896][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.091055][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.091207][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.091358][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.091500][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.091644][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.091883][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.092132][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.092376][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.092619][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.092768][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.092916][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.093060][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.093209][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.093359][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.093500][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.093644][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.093796][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.093939][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.094081][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.094235][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.094400][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.094639][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.094879][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.095031][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.095189][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.095337][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.095481][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.095630][  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))
[    9.095771][  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))
[    9.095915][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.096058][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.096311][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.096457][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.096603][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.096841][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.097014][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.097169][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.097409][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.097585][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.097732][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.097969][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.098111][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.098285][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.098428][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.098572][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.098811][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.099052][  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)
[    9.099203][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.099352][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.099495][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.099638][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.099878][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.100126][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.100314][  T186] RIP: 0033:0x7f9d48c3908e
[    9.100567][  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
[    9.101317][  T186] RSP: 002b:00007ffd45c16510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.101632][  T186] RAX: ffffffffffffffda RBX: 00007ffd45c16ca8 RCX: 00007f9d48c3908e
[    9.101845][  T186] RDX: 0000000000000000 RSI: 00007ffd45c165c0 RDI: 0000000000000005
[    9.102268][  T186] RBP: 00007ffd45c16520 R08: 0000000000000000 R09: 0000000000000000
[    9.102581][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.102794][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45c16c80
| [    9.114340][  T186] ------------[ cut here ]------------
| [    9.114547][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/186
| [    9.114818][  T186] Modules linked in: veth
| [    9.115218][  T186] Tainted: [W]=WARN
[    9.115331][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.115506][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.115686][  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
[    9.116191][  T186] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[    9.116389][  T186] RAX: 00000000ffffffa6 RBX: ff11000007550c80 RCX: 1ff400000011adfc
[    9.116605][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000007550d38
[    9.116810][  T186] RBP: ff11000001db4000 R08: 1fe2200000eaa1a8 R09: ff1100000c29ae80
[    9.117013][  T186] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.117229][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.117446][  T186] FS:  00007f9d489ff840(0000) GS:ff110000a7a30000(0000) knlGS:0000000000000000
[    9.117693][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.117866][  T186] CR2: 00007f80a9603f98 CR3: 000000000d267006 CR4: 0000000000771ef0
[    9.118072][  T186] PKRU: 55555554
[    9.118204][  T186] Call Trace:
[    9.118316][  T186]  <TASK>
[    9.118387][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.118528][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.118636][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.118774][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.118912][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.119050][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.119203][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.119348][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.119485][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.119625][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.119760][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.119902][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.120042][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.120194][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.120344][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.120480][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.120617][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.120753][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.120897][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.121036][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.121187][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.121333][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.121468][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.121606][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.121745][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.121881][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.122018][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.122166][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.122309][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.122450][  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))
[    9.122586][  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))
[    9.122723][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.122862][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.122998][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.123149][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.123299][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.123439][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.123581][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.123717][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.123854][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.124041][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.124193][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.124426][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.124569][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.124719][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.124856][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.124991][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.125145][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.125393][  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)
[    9.125550][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.125691][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.125829][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.125966][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.126104][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.126351][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.126635][  T186] RIP: 0033:0x7f9d48c3908e
[    9.126781][  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
[    9.127279][  T186] RSP: 002b:00007ffd45c16510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.127485][  T186] RAX: ffffffffffffffda RBX: 00007ffd45c16ca8 RCX: 00007f9d48c3908e
[    9.127691][  T186] RDX: 0000000000000000 RSI: 00007ffd45c165c0 RDI: 0000000000000005
[    9.127917][  T186] RBP: 00007ffd45c16520 R08: 0000000000000000 R09: 0000000000000000
[    9.128127][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.128357][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd45c16c80
| [    9.260268][  T195] ------------[ cut here ]------------
| [    9.260450][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [    9.260704][  T195] Modules linked in: veth
| [    9.261105][  T195] Tainted: [W]=WARN
[    9.261222][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.261976][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.262168][  T195] 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
[    9.262674][  T195] RSP: 0018:ffa0000000726e30 EFLAGS: 00010286
[    9.262853][  T195] RAX: 00000000ffffffa6 RBX: ff1100000914e200 RCX: 1ff40000000e4d8c
[    9.263065][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000914e2b8
[    9.263291][  T195] RBP: ff1100000a084000 R08: 1fe2200001229c58 R09: ff1100000a3eae80
[    9.263501][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.263714][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000afb8080
[    9.263926][  T195] FS:  00007f13e1d06840(0000) GS:ff110000a7b30000(0000) knlGS:0000000000000000
[    9.264179][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.264362][  T195] CR2: 000000000042ebe0 CR3: 000000000c47d006 CR4: 0000000000771ef0
[    9.264574][  T195] PKRU: 55555554
[    9.264678][  T195] Call Trace:
[    9.264783][  T195]  <TASK>
[    9.264857][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.265000][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.265105][  T195]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.265294][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.265434][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.265574][  T195]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.265712][  T195]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.265852][  T195]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.265995][  T195]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.266148][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.266296][  T195]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.266436][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.266575][  T195]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.266714][  T195]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.266856][  T195] veth_newlink (drivers/net/veth.c:1871) veth
[    9.266998][  T195]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.267180][  T195]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.267327][  T195]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.267465][  T195]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.267622][  T195]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.267762][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.267906][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.268045][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.268197][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.268345][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.268484][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.268623][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.268762][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.268907][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.269050][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.269198][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.269343][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.269484][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.269622][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.269759][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.269902][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.270044][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.270193][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.270345][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.270484][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.270622][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.270762][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.270900][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.271042][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.271190][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.271340][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.271482][  T195]  ? 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))
[    9.271621][  T195]  ? 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))
[    9.271762][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.271902][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.272041][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.272193][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.272343][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.272483][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.272627][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.272769][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.272908][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.273080][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.273235][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.273380][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.273519][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.273668][  T195]  ? 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))
[    9.273810][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.273949][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.274091][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.274241][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.274388][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.274527][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.274666][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.274805][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.274977][  T195] RIP: 0033:0x7f13e1f4008e
[    9.275133][  T195] 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
[    9.275646][  T195] RSP: 002b:00007ffed3e20590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.275857][  T195] RAX: ffffffffffffffda RBX: 00007ffed3e20d28 RCX: 00007f13e1f4008e
[    9.276064][  T195] RDX: 0000000000000000 RSI: 00007ffed3e20640 RDI: 0000000000000005
[    9.276289][  T195] RBP: 00007ffed3e205a0 R08: 0000000000000000 R09: 0000000000000000
[    9.276497][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06
[    9.276706][  T195] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed3e20d00
| [    9.286612][  T195] ------------[ cut here ]------------
| [    9.286787][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/195
| [    9.287021][  T195] Modules linked in: veth
| [    9.287546][  T195] Tainted: [W]=WARN
[    9.287647][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.287816][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.287994][  T195] 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
[    9.288495][  T195] RSP: 0018:ffa00000007271b0 EFLAGS: 00010286
[    9.288667][  T195] RAX: 00000000ffffffa6 RBX: ff1100000f21b1c0 RCX: 1ff40000000e4dfc
[    9.288868][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f21b278
[    9.289070][  T195] RBP: ff110000086fc000 R08: 1fe2200001e43650 R09: ff1100000a3eae80
[    9.289294][  T195] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.289496][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.289699][  T195] FS:  00007f13e1d06840(0000) GS:ff110000a7b30000(0000) knlGS:0000000000000000
[    9.289936][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.290121][  T195] CR2: 000000000042ebe0 CR3: 000000000c47d006 CR4: 0000000000771ef0
[    9.290329][  T195] PKRU: 55555554
[    9.290431][  T195] Call Trace:
[    9.290532][  T195]  <TASK>
[    9.290603][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.290740][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.290843][  T195]  __dev_notify_flags (net/core/dev.c:9787)
[    9.290985][  T195]  ? netif_change_name (net/core/dev.c:1495)
[    9.291132][  T195]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.291273][  T195]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.291412][  T195]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.291548][  T195]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.291684][  T195]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.291819][  T195]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.291960][  T195]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.292102][  T195]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.292257][  T195]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.292394][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.292530][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.292667][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.292846][  T195]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.292980][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293126][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293269][  T195]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.293405][  T195]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.293541][  T195]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.293678][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.293820][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.293957][  T195]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.294091][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.294258][  T195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.294394][  T195]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.294530][  T195]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.294676][  T195]  ? 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))
[    9.294810][  T195]  ? 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))
[    9.294948][  T195]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.295084][  T195]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.295227][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.295375][  T195]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.295513][  T195]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.295656][  T195]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.295794][  T195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.295937][  T195]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.296073][  T195]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.296257][  T195]  ? move_addr_to_kernel (net/socket.c:258)
[    9.296399][  T195]  ___sys_sendmsg (net/socket.c:2752)
[    9.296535][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.296679][  T195]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.296824][  T195]  ? 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))
[    9.296975][  T195]  __sys_sendmsg (net/socket.c:2784)
[    9.297126][  T195]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.297280][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.297419][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.297557][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.297691][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.297836][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.297971][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.298148][  T195] RIP: 0033:0x7f13e1f4008e
[    9.298296][  T195] 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
[    9.298790][  T195] RSP: 002b:00007ffed3e20590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.298993][  T195] RAX: ffffffffffffffda RBX: 00007ffed3e20d28 RCX: 00007f13e1f4008e
[    9.299205][  T195] RDX: 0000000000000000 RSI: 00007ffed3e20640 RDI: 0000000000000005
[    9.299421][  T195] RBP: 00007ffed3e205a0 R08: 0000000000000000 R09: 0000000000000000
[    9.299624][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ce06


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