======================================
| xx__-> [    9.194740][  T185] ------------[ cut here ]------------
| [    9.194954][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [    9.195222][  T185] Modules linked in: veth
| [    9.195684][  T185] Tainted: [W]=WARN
[    9.195792][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.195969][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.196227][  T185] 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
[    9.196787][  T185] RSP: 0018:ffa0000000746e30 EFLAGS: 00010286
[    9.196967][  T185] RAX: 00000000ffffffa6 RBX: ff1100000ca2a580 RCX: 1ff40000000e8d8c
[    9.197187][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca2a638
[    9.197409][  T185] RBP: ff1100000a0b1000 R08: 1fe22000019454c8 R09: ff1100000c0f0b80
[    9.197625][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.197838][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b188780
[    9.198061][  T185] FS:  00007f384f720840(0000) GS:ff1100008de30000(0000) knlGS:0000000000000000
[    9.198322][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.198508][  T185] CR2: 000055a1cd89fd5c CR3: 000000000d507005 CR4: 0000000000771ef0
[    9.198721][  T185] PKRU: 55555554
[    9.198826][  T185] Call Trace:
[    9.198934][  T185]  <TASK>
[    9.199007][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.199265][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.199410][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.199524][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.199668][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.199807][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.199948][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.200147][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.200296][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.200503][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.200643][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.200790][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.200933][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.201136][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.201284][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.201428][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.201609][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.201751][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.201890][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.202045][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.202284][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.202427][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.202596][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.202740][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.202881][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.203130][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.203271][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.203411][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.203564][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.203709][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.203852][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.203991][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.204137][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.204281][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.204520][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.204665][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.204806][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.205044][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.205192][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.205336][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.205577][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.205909][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.206149][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206391][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.206540][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.206684][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.206830][  T185]  ? 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))
[    9.206970][  T185]  ? 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))
[    9.207118][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.207264][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.207507][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.207649][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.207793][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.208034][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.208184][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.208332][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.208573][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.208801][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.208966][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.209216][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.209370][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.209529][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.209669][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.209901][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.210044][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.210194][  T185]  ? 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)
[    9.210337][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.210579][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.210719][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.210856][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.210999][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.211144][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.211321][  T185] RIP: 0033:0x7f384f95a08e
[    9.211475][  T185] 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
[    9.212068][  T185] RSP: 002b:00007ffe0a68e610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.212290][  T185] RAX: ffffffffffffffda RBX: 00007ffe0a68eda8 RCX: 00007f384f95a08e
[    9.212600][  T185] RDX: 0000000000000000 RSI: 00007ffe0a68e6c0 RDI: 0000000000000005
[    9.212810][  T185] RBP: 00007ffe0a68e620 R08: 0000000000000000 R09: 0000000000000000
[    9.213122][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca82
[    9.213335][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0a68ed80
| [    9.222818][  T185] ------------[ cut here ]------------
| [    9.222998][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.223250][  T185] Modules linked in: veth
| [    9.223699][  T185] Tainted: [W]=WARN
[    9.223802][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.223973][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.224162][  T185] 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
[    9.224668][  T185] RSP: 0018:ffa00000007471b0 EFLAGS: 00010286
[    9.224843][  T185] RAX: 00000000ffffffa6 RBX: ff11000008c791c0 RCX: 1ff40000000e8dfc
[    9.225056][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008c79278
[    9.225274][  T185] RBP: ff1100000a164000 R08: 1fe220000118f250 R09: ff1100000c0f0b80
[    9.225490][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.225795][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.226124][  T185] FS:  00007f384f720840(0000) GS:ff1100008df30000(0000) knlGS:0000000000000000
[    9.226371][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.226552][  T185] CR2: 00007f3692bfa808 CR3: 000000000d507001 CR4: 0000000000771ef0
[    9.226760][  T185] PKRU: 55555554
[    9.226957][  T185] Call Trace:
[    9.227060][  T185]  <TASK>
[    9.227138][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.227285][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.227536][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.227684][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.227920][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.228058][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.228205][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.228350][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.228493][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.228630][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.228769][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.228914][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.229064][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.229368][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.229611][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.229751][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.229888][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.230025][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.230234][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.230375][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.230517][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.230656][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.230796][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.230966][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.231165][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.231303][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.231505][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.231641][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.231780][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.231920][  T185]  ? 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))
[    9.232062][  T185]  ? 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))
[    9.232263][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.232403][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.232549][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.232689][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.232827][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.232991][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.233200][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.233343][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.233487][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.233658][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.233801][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.233938][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.234132][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.234285][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.234424][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.234566][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.234703][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.234844][  T185]  ? 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)
[    9.234981][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.235177][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.235322][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.235461][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.235599][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.235737][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.235910][  T185] RIP: 0033:0x7f384f95a08e
[    9.236055][  T185] 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
[    9.236612][  T185] RSP: 002b:00007ffe0a68e610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.236822][  T185] RAX: ffffffffffffffda RBX: 00007ffe0a68eda8 RCX: 00007f384f95a08e
[    9.237033][  T185] RDX: 0000000000000000 RSI: 00007ffe0a68e6c0 RDI: 0000000000000005
[    9.237304][  T185] RBP: 00007ffe0a68e620 R08: 0000000000000000 R09: 0000000000000000
[    9.237513][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca82
[    9.237717][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0a68ed80
| [    9.341591][  T191] ------------[ cut here ]------------
| [    9.341783][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.342033][  T191] Modules linked in: veth
| [    9.342452][  T191] Tainted: [W]=WARN
[    9.342559][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.342736][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.342925][  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
[    9.343435][  T191] RSP: 0018:ffa0000000646e30 EFLAGS: 00010286
[    9.343618][  T191] RAX: 00000000ffffffa6 RBX: ff11000004af8c80 RCX: 1ff40000000c8d8c
[    9.343830][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004af8d38
[    9.344042][  T191] RBP: ff1100000a17c000 R08: 1fe220000095f1a8 R09: ff1100000c390b80
[    9.344261][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.344477][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a726700
[    9.344689][  T191] FS:  00007f2d18bc9840(0000) GS:ff1100008df30000(0000) knlGS:0000000000000000
[    9.344938][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.345123][  T191] CR2: 00007f2d18f30f6d CR3: 000000000d61f006 CR4: 0000000000771ef0
[    9.345338][  T191] PKRU: 55555554
[    9.345449][  T191] Call Trace:
[    9.345555][  T191]  <TASK>
[    9.345627][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.345772][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.345878][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.346055][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.346217][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.346362][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.346505][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.346643][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.346784][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.346925][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.347065][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.347213][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.347358][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.347505][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.347646][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.347789][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.347962][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.348109][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.348250][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.348411][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.348560][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.348703][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.348841][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.348981][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.349129][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.349273][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.349414][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.349559][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.349706][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.349850][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.349991][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.350162][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.350308][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.350454][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.350592][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350739][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350878][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.351020][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.351414][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.351575][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.351720][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.351862][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.352000][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.352147][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.352293][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.352434][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.352583][  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))
[    9.352726][  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))
[    9.352867][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.353010][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.353174][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.353321][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.353465][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.353606][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.353754][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.353895][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.354034][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.354282][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.354426][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.354568][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.354705][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.354853][  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))
[    9.354995][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.355180][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.355333][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.355478][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.355616][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.355754][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.355892][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.356031][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.356208][  T191] RIP: 0033:0x7f2d18e0308e
[    9.356357][  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
[    9.356851][  T191] RSP: 002b:00007ffe72177820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.357061][  T191] RAX: ffffffffffffffda RBX: 00007ffe72177fb8 RCX: 00007f2d18e0308e
[    9.357274][  T191] RDX: 0000000000000000 RSI: 00007ffe721778d0 RDI: 0000000000000005
[    9.357485][  T191] RBP: 00007ffe72177830 R08: 0000000000000000 R09: 0000000000000000
[    9.357693][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca82
[    9.357899][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe72177f90
| [    9.373742][  T191] ------------[ cut here ]------------
| [    9.373935][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/191
| [    9.374184][  T191] Modules linked in: veth
| [    9.374588][  T191] Tainted: [W]=WARN
[    9.374693][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.374866][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.375047][  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
[    9.375552][  T191] RSP: 0018:ffa00000006471b0 EFLAGS: 00010286
[    9.375729][  T191] RAX: 00000000ffffffa6 RBX: ff11000005786740 RCX: 1ff40000000c8dfc
[    9.375938][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000057867f8
[    9.376149][  T191] RBP: ff1100000888c000 R08: 1fe2200000af0d00 R09: ff1100000c390b80
[    9.376360][  T191] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.376574][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.376783][  T191] FS:  00007f2d18bc9840(0000) GS:ff1100008df30000(0000) knlGS:0000000000000000
[    9.377027][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.377205][  T191] CR2: 00007f2d18f30f6d CR3: 000000000d61f006 CR4: 0000000000771ef0
[    9.377415][  T191] PKRU: 55555554
[    9.377524][  T191] Call Trace:
[    9.377630][  T191]  <TASK>
[    9.377702][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.377842][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.377947][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.378092][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.378230][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.378370][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.378515][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.378656][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.378794][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.378932][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.379071][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.379216][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.379363][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.379505][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.379642][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.379781][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.379916][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.380054][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.380198][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.380338][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.380482][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.380618][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.380758][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.380893][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.381032][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.381173][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.381317][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.381459][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.381596][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.381738][  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))
[    9.381874][  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))
[    9.382011][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.382154][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.382297][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.382434][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.382576][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.382715][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.382855][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.382992][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.383133][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.383307][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.383455][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.383683][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.383819][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.383965][  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))
[    9.384110][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.384246][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.384391][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.384531][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.384668][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.384802][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.384937][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.385075][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.385247][  T191] RIP: 0033:0x7f2d18e0308e
[    9.385393][  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
[    9.385877][  T191] RSP: 002b:00007ffe72177820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.386085][  T191] RAX: ffffffffffffffda RBX: 00007ffe72177fb8 RCX: 00007f2d18e0308e
[    9.386291][  T191] RDX: 0000000000000000 RSI: 00007ffe721778d0 RDI: 0000000000000005
[    9.386498][  T191] RBP: 00007ffe72177830 R08: 0000000000000000 R09: 0000000000000000
[    9.386700][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca82


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