======================================
| xx__-> [    9.548135][  T188] ------------[ cut here ]------------
| [    9.548415][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/188
| [    9.548816][  T188] Modules linked in: veth
| [    9.549327][  T188] Tainted: [W]=WARN
[    9.549440][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.549633][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.549829][  T188] 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
[    9.550376][  T188] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[    9.550559][  T188] RAX: 00000000ffffffa6 RBX: ff11000001f383c0 RCX: 1ff4000000112d8c
[    9.550780][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001f38478
[    9.551005][  T188] RBP: ff11000009dfc000 R08: 1fe22000003e7090 R09: ff11000013275180
[    9.551227][  T188] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.551446][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bebe700
[    9.551671][  T188] FS:  00007f7112747840(0000) GS:ff11000080f30000(0000) knlGS:0000000000000000
[    9.551932][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.552115][  T188] CR2: 000055ea519fad50 CR3: 0000000013524004 CR4: 0000000000771ef0
[    9.552343][  T188] PKRU: 55555554
[    9.552452][  T188] Call Trace:
[    9.552562][  T188]  <TASK>
[    9.552642][  T188]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.552829][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.552984][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.553099][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.553258][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.553406][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.553555][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.553709][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.553852][  T188]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.554003][  T188]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.554146][  T188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.554298][  T188]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.554441][  T188]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.554586][  T188]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.554737][  T188] veth_newlink (drivers/net/veth.c:1871) veth
[    9.554890][  T188]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.555069][  T188]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.555222][  T188]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.555367][  T188]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.555536][  T188]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.555691][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.555841][  T188]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.555993][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.556152][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.556309][  T188]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.556460][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.556603][  T188]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.556755][  T188]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.556911][  T188]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.557058][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.557209][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.557352][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.557501][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.557651][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.557796][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557950][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.558098][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.558270][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.558419][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.558563][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.558719][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.558900][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.559043][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.559192][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.559337][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.559483][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.559635][  T188]  ? 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))
[    9.559786][  T188]  ? 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))
[    9.559938][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.560090][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.560239][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.560383][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.560529][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.560676][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.560826][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.560975][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.561118][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.561305][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.561454][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.561598][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.561743][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.561902][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.562047][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.562199][  T188]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.562343][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.562490][  T188]  ? 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)
[    9.562639][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.562785][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.562933][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.563078][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.563229][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.563381][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.563558][  T188] RIP: 0033:0x7f711298108e
[    9.563715][  T188] 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
[    9.564237][  T188] RSP: 002b:00007ffc0d2d8330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.564457][  T188] RAX: ffffffffffffffda RBX: 00007ffc0d2d8ac8 RCX: 00007f711298108e
[    9.564675][  T188] RDX: 0000000000000000 RSI: 00007ffc0d2d83e0 RDI: 0000000000000005
[    9.564894][  T188] RBP: 00007ffc0d2d8340 R08: 0000000000000000 R09: 0000000000000000
[    9.565109][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c1
[    9.565333][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d2d8aa0
| [    9.575171][  T188] ------------[ cut here ]------------
| [    9.575345][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/188
| [    9.575592][  T188] Modules linked in: veth
| [    9.576002][  T188] Tainted: [W]=WARN
[    9.576108][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.576289][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.576474][  T188] 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
[    9.576974][  T188] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[    9.577150][  T188] RAX: 00000000ffffffa6 RBX: ff1100000b2491c0 RCX: 1ff4000000112dfc
[    9.577365][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b249278
[    9.577573][  T188] RBP: ff1100000546c000 R08: 1fe2200001649250 R09: ff11000013275180
[    9.577785][  T188] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.577997][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.578213][  T188] FS:  00007f7112747840(0000) GS:ff11000080f30000(0000) knlGS:0000000000000000
[    9.578455][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.578636][  T188] CR2: 000055ea519fad50 CR3: 0000000013524004 CR4: 0000000000771ef0
[    9.578852][  T188] PKRU: 55555554
[    9.578961][  T188] Call Trace:
[    9.579068][  T188]  <TASK>
[    9.579147][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.579298][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.579406][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.579546][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.579691][  T188]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.579827][  T188]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.579972][  T188]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.580114][  T188]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.580262][  T188]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.580399][  T188]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.580535][  T188]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.580682][  T188]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.580825][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.580970][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.581113][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.581264][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.581403][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.581542][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.581691][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.581830][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.581972][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.582113][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.582259][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.582396][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.582539][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.582682][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.582823][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.582967][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.583107][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.583256][  T188]  ? 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))
[    9.583412][  T188]  ? 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))
[    9.583557][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.583769][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.583915][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.584056][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.584200][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.584342][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.584485][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.584692][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.584836][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.585013][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.585155][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.585297][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.585436][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.585591][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.585820][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.585961][  T188]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.586099][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.586245][  T188]  ? 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)
[    9.586384][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.586524][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.586778][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.586924][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.587063][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.587208][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.587379][  T188] RIP: 0033:0x7f711298108e
[    9.587526][  T188] 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
[    9.588152][  T188] RSP: 002b:00007ffc0d2d8330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.588377][  T188] RAX: ffffffffffffffda RBX: 00007ffc0d2d8ac8 RCX: 00007f711298108e
[    9.588587][  T188] RDX: 0000000000000000 RSI: 00007ffc0d2d83e0 RDI: 0000000000000005
[    9.588911][  T188] RBP: 00007ffc0d2d8340 R08: 0000000000000000 R09: 0000000000000000
[    9.589117][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c1
[    9.589332][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d2d8aa0
| [    9.733531][  T198] ------------[ cut here ]------------
| [    9.733735][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [    9.734019][  T198] Modules linked in: veth
| [    9.734448][  T198] Tainted: [W]=WARN
[    9.734570][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.734763][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.734961][  T198] 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
[    9.735553][  T198] RSP: 0018:ffa00000005f6e30 EFLAGS: 00010286
[    9.735748][  T198] RAX: 00000000ffffffa6 RBX: ff11000009f42740 RCX: 1ff40000000bed8c
[    9.735974][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009f427f8
[    9.736194][  T198] RBP: ff11000012dc4000 R08: 1fe22000013e8500 R09: ff1100000bd88b80
[    9.736412][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.736638][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b2be380
[    9.736855][  T198] FS:  00007fa4603e7840(0000) GS:ff11000080f30000(0000) knlGS:0000000000000000
[    9.737116][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.737306][  T198] CR2: 000000000042ebe0 CR3: 00000000137b9003 CR4: 0000000000771ef0
[    9.737525][  T198] PKRU: 55555554
[    9.737638][  T198] Call Trace:
[    9.737747][  T198]  <TASK>
[    9.737822][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.737974][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.738085][  T198]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.738272][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.738421][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.738566][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.738717][  T198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.738862][  T198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.739016][  T198]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.739163][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.739313][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.739460][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.739602][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.739755][  T198]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.739904][  T198] veth_newlink (drivers/net/veth.c:1871) veth
[    9.740052][  T198]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.740236][  T198]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.740382][  T198]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.740525][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.740691][  T198]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.740838][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.740987][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.741131][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.741281][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.741425][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.741568][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.741717][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.741861][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.742013][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.742160][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.742309][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.742452][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.742596][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.742741][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.742884][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.743036][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.743181][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.743329][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.743471][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.743612][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.743758][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.743905][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.744049][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.744199][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.744342][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.744487][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.744639][  T198]  ? 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))
[    9.744780][  T198]  ? 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))
[    9.744926][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.745071][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.745221][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.745366][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.745510][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.745659][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.745804][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.745951][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.746094][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.746276][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.746425][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.746566][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.746711][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.746864][  T198]  ? 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))
[    9.747013][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.747154][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.747308][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.747451][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.747595][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.747743][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.747890][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.748034][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.748218][  T198] RIP: 0033:0x7fa46062108e
[    9.748368][  T198] 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
[    9.748886][  T198] RSP: 002b:00007ffe2af8af10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.749103][  T198] RAX: ffffffffffffffda RBX: 00007ffe2af8b6a8 RCX: 00007fa46062108e
[    9.749321][  T198] RDX: 0000000000000000 RSI: 00007ffe2af8afc0 RDI: 0000000000000005
[    9.749539][  T198] RBP: 00007ffe2af8af20 R08: 0000000000000000 R09: 0000000000000000
[    9.749756][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c1
[    9.749975][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2af8b680
| [    9.760742][  T198] ------------[ cut here ]------------
| [    9.760910][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [    9.761153][  T198] Modules linked in: veth
| [    9.761750][  T198] Tainted: [W]=WARN
[    9.761882][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.762068][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.762262][  T198] 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
[    9.762776][  T198] RSP: 0018:ffa00000005f71b0 EFLAGS: 00010286
[    9.762958][  T198] RAX: 00000000ffffffa6 RBX: ff1100000b118c80 RCX: 1ff40000000bedfc
[    9.763170][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b118d38
[    9.763388][  T198] RBP: ff11000012dc1000 R08: 1fe22000016231a8 R09: ff1100000bd88b80
[    9.763603][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.764009][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.764228][  T198] FS:  00007fa4603e7840(0000) GS:ff11000080f30000(0000) knlGS:0000000000000000
[    9.764476][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.764663][  T198] CR2: 000000000042ebe0 CR3: 00000000137b9003 CR4: 0000000000771ef0
[    9.764879][  T198] PKRU: 55555554
[    9.764992][  T198] Call Trace:
[    9.765099][  T198]  <TASK>
[    9.765174][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.765325][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.765432][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.765572][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.765718][  T198]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.765856][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.766006][  T198]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.766150][  T198]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.766300][  T198]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.766445][  T198]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.766584][  T198]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.766736][  T198]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.766885][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.767029][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.767173][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.767319][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.767461][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.767599][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.767744][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.767889][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.768033][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.768176][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.768321][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.768466][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.768609][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.768754][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.768901][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.769043][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.769185][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.769335][  T198]  ? 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))
[    9.769474][  T198]  ? 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))
[    9.769621][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.769769][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.769916][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.770061][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.770208][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.770348][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.770493][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.770637][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.770780][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.770952][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.771097][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.771239][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.771378][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.771526][  T198]  ? 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))
[    9.771674][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.771821][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.771973][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.772123][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.772270][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.772412][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.772552][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.772702][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.772882][  T198] RIP: 0033:0x7fa46062108e
[    9.773036][  T198] 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
[    9.773541][  T198] RSP: 002b:00007ffe2af8af10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.773758][  T198] RAX: ffffffffffffffda RBX: 00007ffe2af8b6a8 RCX: 00007fa46062108e
[    9.773970][  T198] RDX: 0000000000000000 RSI: 00007ffe2af8afc0 RDI: 0000000000000005
[    9.774176][  T198] RBP: 00007ffe2af8af20 R08: 0000000000000000 R09: 0000000000000000
[    9.774390][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8c1


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