======================================
| xx__-> [    9.173872][  T186] ------------[ cut here ]------------
| [    9.174101][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.174357][  T186] Modules linked in: veth
| [    9.174778][  T186] Tainted: [W]=WARN
[    9.174934][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.175125][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.175316][  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
[    9.175821][  T186] RSP: 0018:ffa0000000866e30 EFLAGS: 00010286
[    9.176003][  T186] RAX: 00000000ffffffa6 RBX: ff1100000b984e40 RCX: 1ff400000010cd8c
[    9.176238][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b984ef8
[    9.176452][  T186] RBP: ff1100000a0ac000 R08: 1fe22000017309e0 R09: ff1100000d802e80
[    9.176704][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.176919][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094c9900
[    9.177137][  T186] FS:  00007fe220771840(0000) GS:ff1100007bbb0000(0000) knlGS:0000000000000000
[    9.177383][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.177559][  T186] CR2: 000000000042ebe0 CR3: 000000000c7d7005 CR4: 0000000000771ef0
[    9.177765][  T186] PKRU: 55555554
[    9.177878][  T186] Call Trace:
[    9.177982][  T186]  <TASK>
[    9.178055][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.178240][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.178380][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.178485][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.178728][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.178934][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.179073][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.179226][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.179365][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.179506][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.179644][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.179783][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.180020][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.180181][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.180325][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.180466][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.180638][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.180780][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.180925][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.181080][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.181254][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.181395][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.181534][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.181675][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.181820][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.181960][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.182123][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.182269][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.182414][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.182558][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.182697][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.182842][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.182981][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.183124][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.183269][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.183411][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.183662][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.183801][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.183948][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.184089][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.184235][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.184377][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.184517][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.184657][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.184799][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.184944][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.185092][  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))
[    9.185237][  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))
[    9.185380][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.185521][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.185662][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.185802][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.185948][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.186094][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.186243][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.186384][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.186539][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.186715][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.186863][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.187099][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.187250][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.187402][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.187541][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.187680][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.187825][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.187967][  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)
[    9.188123][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.188287][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.188428][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.188567][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.188706][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.189185][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.189363][  T186] RIP: 0033:0x7fe2209ab08e
[    9.189509][  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
[    9.190009][  T186] RSP: 002b:00007ffc318e5050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.190425][  T186] RAX: ffffffffffffffda RBX: 00007ffc318e57e8 RCX: 00007fe2209ab08e
[    9.190633][  T186] RDX: 0000000000000000 RSI: 00007ffc318e5100 RDI: 0000000000000005
[    9.190846][  T186] RBP: 00007ffc318e5060 R08: 0000000000000000 R09: 0000000000000000
[    9.191053][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc14
[    9.191275][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc318e57c0
| [    9.199694][  T186] ------------[ cut here ]------------
| [    9.200391][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.200675][  T186] Modules linked in: veth
| [    9.201126][  T186] Tainted: [W]=WARN
[    9.201236][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.201467][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.201645][  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
[    9.202201][  T186] RSP: 0018:ffa00000008671b0 EFLAGS: 00010286
[    9.202376][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bba7380 RCX: 1ff400000010cdfc
[    9.202580][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bba7438
[    9.202787][  T186] RBP: ff11000009ba4000 R08: 1fe2200001774e88 R09: ff1100000d802e80
[    9.203088][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.203317][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.203524][  T186] FS:  00007fe220771840(0000) GS:ff1100007bbb0000(0000) knlGS:0000000000000000
[    9.204013][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.204197][  T186] CR2: 000000000042ebe0 CR3: 000000000c7d7005 CR4: 0000000000771ef0
[    9.204403][  T186] PKRU: 55555554
[    9.204505][  T186] Call Trace:
[    9.204632][  T186]  <TASK>
[    9.204707][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.204908][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.205017][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.205168][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.205306][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.205460][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.205602][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.205741][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.205962][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.206107][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.206251][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.206392][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.206533][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.206671][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.206869][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.207022][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.207169][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.207306][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207452][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.207589][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.207727][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.207923][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.208060][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.208207][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.208346][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.208482][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.208619][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.208757][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.208950][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.209095][  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))
[    9.209238][  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))
[    9.209378][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.209516][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.209653][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.209791][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.209989][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.210138][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.210279][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.210418][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.210555][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.210724][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.210926][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.211063][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211209][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.211360][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.211497][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.211635][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.211772][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211972][  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)
[    9.212116][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.212262][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.212400][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.212536][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.212673][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.212869][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.213042][  T186] RIP: 0033:0x7fe2209ab08e
[    9.213198][  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
[    9.213685][  T186] RSP: 002b:00007ffc318e5050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.213950][  T186] RAX: ffffffffffffffda RBX: 00007ffc318e57e8 RCX: 00007fe2209ab08e
[    9.214165][  T186] RDX: 0000000000000000 RSI: 00007ffc318e5100 RDI: 0000000000000005
[    9.214369][  T186] RBP: 00007ffc318e5060 R08: 0000000000000000 R09: 0000000000000000
[    9.214574][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc14
[    9.214780][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc318e57c0
| [    9.340555][  T191] ------------[ cut here ]------------
| [    9.340745][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [    9.341006][  T191] Modules linked in: veth
| [    9.341446][  T191] Tainted: [W]=WARN
[    9.341557][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.341737][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.341937][  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
[    9.342458][  T191] RSP: 0018:ffa0000000866e30 EFLAGS: 00010286
[    9.342640][  T191] RAX: 00000000ffffffa6 RBX: ff1100000d25e200 RCX: 1ff400000010cd8c
[    9.342862][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d25e2b8
[    9.343076][  T191] RBP: ff11000008909000 R08: 1fe2200001a4bc58 R09: ff1100000be20b80
[    9.343306][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.343525][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090fc400
[    9.343744][  T191] FS:  00007f37e581e840(0000) GS:ff1100007bc30000(0000) knlGS:0000000000000000
[    9.344006][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.344199][  T191] CR2: 000000000042ebe0 CR3: 000000000c68a004 CR4: 0000000000771ef0
[    9.344416][  T191] PKRU: 55555554
[    9.344524][  T191] Call Trace:
[    9.344630][  T191]  <TASK>
[    9.344704][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.345006][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.345178][  T191]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.345360][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.345503][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.345644][  T191]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.345789][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.345999][  T191]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.346151][  T191]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.346295][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.346438][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.346578][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.346719][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.346921][  T191]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.347094][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[    9.347247][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.347421][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.347561][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.347701][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.347866][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.348008][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.348164][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.348306][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.348454][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.348596][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.348737][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.348883][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.349022][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.349180][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.349325][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.349466][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.349606][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.349748][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.349894][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.350033][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350203][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.350343][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.350482][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.350623][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.350762][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.350907][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.351048][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.351198][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.351341][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.351504][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.351650][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.351806][  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))
[    9.351955][  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))
[    9.352100][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.352245][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.352386][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.352527][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.352670][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.352816][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.352961][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.353107][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.353252][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.353424][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.353571][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.353709][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.353853][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.354003][  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))
[    9.354183][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.354322][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.354466][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.354607][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.354749][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.354898][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.355038][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.355191][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.355364][  T191] RIP: 0033:0x7f37e5a5808e
[    9.355510][  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
[    9.356017][  T191] RSP: 002b:00007fff18bbb030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.356237][  T191] RAX: ffffffffffffffda RBX: 00007fff18bbb7c8 RCX: 00007f37e5a5808e
[    9.356445][  T191] RDX: 0000000000000000 RSI: 00007fff18bbb0e0 RDI: 0000000000000005
[    9.356656][  T191] RBP: 00007fff18bbb040 R08: 0000000000000000 R09: 0000000000000000
[    9.356874][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc14
[    9.357117][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff18bbb7a0
| [    9.380125][  T191] ------------[ cut here ]------------
| [    9.380303][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [    9.380544][  T191] Modules linked in: veth
| [    9.380945][  T191] Tainted: [W]=WARN
[    9.381049][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.381247][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.381427][  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
[    9.381983][  T191] RSP: 0018:ffa00000008671b0 EFLAGS: 00010286
[    9.382175][  T191] RAX: 00000000ffffffa6 RBX: ff1100000d98b380 RCX: 1ff400000010cdfc
[    9.382380][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d98b438
[    9.382583][  T191] RBP: ff110000083b1000 R08: 1fe2200001b31688 R09: ff1100000be20b80
[    9.382788][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.383053][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.383267][  T191] FS:  00007f37e581e840(0000) GS:ff1100007bc30000(0000) knlGS:0000000000000000
[    9.383505][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.383676][  T191] CR2: 000000000042ebe0 CR3: 000000000c68a004 CR4: 0000000000771ef0
[    9.383973][  T191] PKRU: 55555554
[    9.384181][  T191] Call Trace:
[    9.384285][  T191]  <TASK>
[    9.384356][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.384497][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.384601][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[    9.384737][  T191]  ? netif_change_name (net/core/dev.c:1495)
[    9.384897][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.385030][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.385175][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.385311][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.385446][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.385581][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.385714][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.385862][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.386003][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.386148][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.386284][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.386423][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.386557][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.386692][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.386836][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.386974][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.387115][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.387258][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.387393][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.387527][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.387663][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.387797][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.387940][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.388078][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.388223][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.388362][  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))
[    9.388496][  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))
[    9.388633][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.388769][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.388915][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.389052][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.389199][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.389334][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.389471][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.389606][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.389739][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.389916][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[    9.390054][  T191]  ___sys_sendmsg (net/socket.c:2752)
[    9.390199][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.390333][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.390476][  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))
[    9.390612][  T191]  __sys_sendmsg (net/socket.c:2784)
[    9.390748][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.390897][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391031][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391186][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.391320][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.391455][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.391590][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.391767][  T191] RIP: 0033:0x7f37e5a5808e
[    9.391913][  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
[    9.392403][  T191] RSP: 002b:00007fff18bbb030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.392606][  T191] RAX: ffffffffffffffda RBX: 00007fff18bbb7c8 RCX: 00007f37e5a5808e
[    9.392805][  T191] RDX: 0000000000000000 RSI: 00007fff18bbb0e0 RDI: 0000000000000005
[    9.393018][  T191] RBP: 00007fff18bbb040 R08: 0000000000000000 R09: 0000000000000000
[    9.393233][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc14


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