======================================
| xx__-> [    9.258948][  T185] ------------[ cut here ]------------
| [    9.259198][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.259460][  T185] Modules linked in: veth
| [    9.259965][  T185] Tainted: [W]=WARN
[    9.260078][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.260264][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.260450][  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
[    9.261002][  T185] RSP: 0018:ffa0000000906e30 EFLAGS: 00010286
[    9.261193][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b32b000 RCX: 1ff4000000120d8c
[    9.261405][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b32b0b8
[    9.261614][  T185] RBP: ff11000009e01000 R08: 1fe2200001665618 R09: ff1100000c44ae80
[    9.261834][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.262084][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cf5580
[    9.262305][  T185] FS:  00007f0e17747840(0000) GS:ff11000093530000(0000) knlGS:0000000000000000
[    9.262554][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.262740][  T185] CR2: 000000000042ebe0 CR3: 000000000d6e1004 CR4: 0000000000771ef0
[    9.262952][  T185] PKRU: 55555554
[    9.263064][  T185] Call Trace:
[    9.263183][  T185]  <TASK>
[    9.263260][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.263440][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.263594][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.263707][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263851][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.263993][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.264140][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.264287][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.264550][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.264701][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.264844][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.265083][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.265329][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.265471][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[    9.265614][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.265794][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.265938][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.266078][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.266243][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.266385][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.266529][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.266670][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.266914][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.267060][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.267212][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.267350][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.267490][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.267636][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.267787][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.267930][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.268070][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.268222][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.268362][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.268502][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268648][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.268990][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.269137][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.269284][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.269528][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.269669][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.269817][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.269957][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.270100][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.270252][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.270396][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.270637][  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))
[    9.270785][  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))
[    9.270929][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.271075][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.271226][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.271467][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.271611][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.271759][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.271905][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.272048][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.272195][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.272464][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.272710][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.272945][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.273085][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.273248][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.273390][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.273531][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.273670][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.273816][  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)
[    9.273957][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.274101][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.274348][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.274682][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.274830][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.274972][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.275254][  T185] RIP: 0033:0x7f0e1798108e
[    9.275502][  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
[    9.276009][  T185] RSP: 002b:00007ffc254985d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.276230][  T185] RAX: ffffffffffffffda RBX: 00007ffc25498d68 RCX: 00007f0e1798108e
[    9.276538][  T185] RDX: 0000000000000000 RSI: 00007ffc25498680 RDI: 0000000000000005
[    9.276753][  T185] RBP: 00007ffc254985e0 R08: 0000000000000000 R09: 0000000000000000
[    9.276964][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[    9.277280][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc25498d40
| [    9.286815][  T185] ------------[ cut here ]------------
| [    9.286963][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/185
| [    9.287215][  T185] Modules linked in: veth
| [    9.287599][  T185] Tainted: [W]=WARN
[    9.287708][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.287881][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.288060][  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
[    9.288556][  T185] RSP: 0018:ffa00000009071b0 EFLAGS: 00010286
[    9.288735][  T185] RAX: 00000000ffffffa6 RBX: ff1100000b1f0e40 RCX: 1ff4000000120dfc
[    9.288937][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b1f0ef8
[    9.289146][  T185] RBP: ff11000009ee1000 R08: 1fe220000163e1e0 R09: ff1100000c44ae80
[    9.289355][  T185] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.289558][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.289767][  T185] FS:  00007f0e17747840(0000) GS:ff11000093530000(0000) knlGS:0000000000000000
[    9.290005][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.290186][  T185] CR2: 000000000042ebe0 CR3: 000000000d6e1004 CR4: 0000000000771ef0
[    9.290389][  T185] PKRU: 55555554
[    9.290492][  T185] Call Trace:
[    9.290595][  T185]  <TASK>
[    9.290666][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.290809][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.290915][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[    9.291054][  T185]  ? netif_change_name (net/core/dev.c:1495)
[    9.291202][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.291340][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.291479][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.291619][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.291767][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.291902][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.292038][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.292189][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.292330][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.292470][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.292608][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.292755][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.292890][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.293026][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293174][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.293311][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.293446][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.293582][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.293923][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.294060][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.294214][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.294349][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.294487][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.294622][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.294765][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.294909][  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))
[    9.295048][  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))
[    9.295194][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.295332][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.295469][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.295607][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.295750][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.295887][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.296029][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.296176][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.296343][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.296513][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.296653][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.296794][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.296932][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.297085][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.297230][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.297365][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.297501][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.297641][  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)
[    9.297782][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.297922][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.298061][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.298211][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.298349][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.298486][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.298655][  T185] RIP: 0033:0x7f0e1798108e
[    9.298804][  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
[    9.299302][  T185] RSP: 002b:00007ffc254985d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.299507][  T185] RAX: ffffffffffffffda RBX: 00007ffc25498d68 RCX: 00007f0e1798108e
[    9.299719][  T185] RDX: 0000000000000000 RSI: 00007ffc25498680 RDI: 0000000000000005
[    9.299940][  T185] RBP: 00007ffc254985e0 R08: 0000000000000000 R09: 0000000000000000
[    9.300154][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[    9.300356][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc25498d40
| [    9.432189][  T193] ------------[ cut here ]------------
| [    9.432370][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    9.432618][  T193] Modules linked in: veth
| [    9.433080][  T193] Tainted: [W]=WARN
[    9.433201][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.433380][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.433570][  T193] 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
[    9.434089][  T193] RSP: 0018:ffa00000005d6e30 EFLAGS: 00010286
[    9.434284][  T193] RAX: 00000000ffffffa6 RBX: ff11000009dde200 RCX: 1ff40000000bad8c
[    9.434498][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009dde2b8
[    9.434725][  T193] RBP: ff1100000c5e1000 R08: 1fe22000013bbc58 R09: ff1100000d3d8b80
[    9.434940][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.435159][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009593880
[    9.435377][  T193] FS:  00007f4cf6d16840(0000) GS:ff110000933b0000(0000) knlGS:0000000000000000
[    9.435628][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.435814][  T193] CR2: 000000000042ebe0 CR3: 0000000005207002 CR4: 0000000000771ef0
[    9.436031][  T193] PKRU: 55555554
[    9.436142][  T193] Call Trace:
[    9.436254][  T193]  <TASK>
[    9.436328][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.436474][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.436584][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.436775][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.436919][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.437061][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.437215][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.437362][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.437506][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.437652][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.437800][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.437945][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.438088][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.438240][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.438385][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.438531][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.438711][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.438854][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.438996][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.439167][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.439334][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.439479][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.439623][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.439773][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.439915][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.440059][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.440215][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.440370][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.440519][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.440666][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.440815][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.440955][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.441097][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.441250][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.441389][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.441536][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.441678][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.441827][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.441980][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.442125][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.442269][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.442510][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.442657][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.442906][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.443047][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.443198][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.443344][  T193]  ? 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))
[    9.443485][  T193]  ? 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))
[    9.443628][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.443873][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.444015][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.444164][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.444309][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.444547][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.444699][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.444843][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.444983][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.445259][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.445406][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.445550][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.445701][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.445950][  T193]  ? 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))
[    9.446094][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.446246][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.446396][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.446539][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.446682][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.446830][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.446971][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.447120][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.447304][  T193] RIP: 0033:0x7f4cf6f5008e
[    9.447453][  T193] 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
[    9.447957][  T193] RSP: 002b:00007ffe43ce8990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.448179][  T193] RAX: ffffffffffffffda RBX: 00007ffe43ce9128 RCX: 00007f4cf6f5008e
[    9.448391][  T193] RDX: 0000000000000000 RSI: 00007ffe43ce8a40 RDI: 0000000000000005
[    9.448598][  T193] RBP: 00007ffe43ce89a0 R08: 0000000000000000 R09: 0000000000000000
[    9.448812][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[    9.449020][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe43ce9100
| [    9.464579][  T193] ------------[ cut here ]------------
| [    9.464749][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    9.464988][  T193] Modules linked in: veth
| [    9.465439][  T193] Tainted: [W]=WARN
[    9.465542][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.465719][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.465900][  T193] 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
[    9.466417][  T193] RSP: 0018:ffa00000005d71b0 EFLAGS: 00010286
[    9.466591][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d6938c0 RCX: 1ff40000000badfc
[    9.466805][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d693978
[    9.467008][  T193] RBP: ff11000009eb9000 R08: 1fe2200001ad2730 R09: ff1100000d3d8b80
[    9.467224][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.467426][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.467631][  T193] FS:  00007f4cf6d16840(0000) GS:ff110000933b0000(0000) knlGS:0000000000000000
[    9.467872][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.468044][  T193] CR2: 000000000042ebe0 CR3: 0000000005207002 CR4: 0000000000771ef0
[    9.468258][  T193] PKRU: 55555554
[    9.468360][  T193] Call Trace:
[    9.468462][  T193]  <TASK>
[    9.468534][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.468673][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.468784][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.468923][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.469060][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.469206][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.469345][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.469484][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.469622][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.469768][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.469903][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.470057][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.470206][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.470343][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.470479][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.470618][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.470759][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.470895][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.471034][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.471180][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.471317][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.471453][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.471590][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.471732][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.471870][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472005][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472148][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.472305][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.472443][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.472583][  T193]  ? 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))
[    9.472725][  T193]  ? 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))
[    9.472865][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.473001][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.473143][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.473288][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.473426][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.473564][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.473708][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.473847][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.473983][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.474158][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.474299][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.474436][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.474573][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.474728][  T193]  ? 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))
[    9.474867][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.475004][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.475154][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.475293][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.475431][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.475569][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.475711][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.475850][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.476021][  T193] RIP: 0033:0x7f4cf6f5008e
[    9.476175][  T193] 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
[    9.476660][  T193] RSP: 002b:00007ffe43ce8990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.476880][  T193] RAX: ffffffffffffffda RBX: 00007ffe43ce9128 RCX: 00007f4cf6f5008e
[    9.477084][  T193] RDX: 0000000000000000 RSI: 00007ffe43ce8a40 RDI: 0000000000000005
[    9.477296][  T193] RBP: 00007ffe43ce89a0 R08: 0000000000000000 R09: 0000000000000000
[    9.477498][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9d
[    9.477707][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe43ce9100
| [    9.707535][  T200] ------------[ cut here ]------------
| [    9.708372][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.708635][  T200] Modules linked in: veth
| [    9.709055][  T200] Tainted: [W]=WARN
[    9.709178][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.709361][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.709553][  T200] 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
[    9.710137][  T200] RSP: 0018:ffa00000008f6e30 EFLAGS: 00010286
[    9.710330][  T200] RAX: 00000000ffffffa6 RBX: ff1100000b1f1e00 RCX: 1ff400000011ed8c
[    9.710546][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b1f1eb8
[    9.710766][  T200] RBP: ff11000009e41000 R08: 1fe220000163e3d8 R09: ff1100000d08d180
[    9.710983][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.711213][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004be3880
[    9.711435][  T200] FS:  00007f9ad808c840(0000) GS:ff11000093530000(0000) knlGS:0000000000000000
[    9.711696][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.711878][  T200] CR2: 000000000042ebe0 CR3: 000000000c757005 CR4: 0000000000771ef0
[    9.712102][  T200] PKRU: 55555554
[    9.712223][  T200] Call Trace:
[    9.712331][  T200]  <TASK>
[    9.712407][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.712554][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.712705][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.712815][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.712963][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.713111][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.713263][  T200]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[    9.713406][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.713549][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.713698][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.713840][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.713985][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.714135][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.714283][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.714429][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.714571][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.714726][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.714875][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.715021][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.715212][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.715357][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.715501][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.715663][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.715811][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.715957][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.716099][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.716269][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.716413][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.716559][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.716708][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.716851][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.717000][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.717158][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.717304][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.717447][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.717592][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.717740][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.717884][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.718032][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.718191][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.718337][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.718481][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.718624][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.718773][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.718918][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.719065][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.719221][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.719364][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.719508][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.719656][  T200]  ? 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))
[    9.719866][  T200]  ? 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))
[    9.720013][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.720165][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.720311][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.720455][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.720599][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.720751][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.720899][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.721046][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.721196][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.721373][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.721520][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.721665][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.721814][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.721969][  T200]  ? 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))
[    9.722120][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.722272][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.722421][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.722567][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.722715][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.722860][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.723005][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.723160][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.723340][  T200] RIP: 0033:0x7f9ad82c608e
[    9.723491][  T200] 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
[    9.724012][  T200] RSP: 002b:00007ffe367a19e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.724254][  T200] RAX: ffffffffffffffda RBX: 00007ffe367a2178 RCX: 00007f9ad82c608e
[    9.724470][  T200] RDX: 0000000000000000 RSI: 00007ffe367a1a90 RDI: 0000000000000005
[    9.724684][  T200] RBP: 00007ffe367a19f0 R08: 0000000000000000 R09: 0000000000000000
[    9.724907][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e
[    9.725125][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe367a2150
| [    9.733497][  T200] ------------[ cut here ]------------
| [    9.733662][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/200
| [    9.733910][  T200] Modules linked in: veth
| [    9.734315][  T200] Tainted: [W]=WARN
[    9.734421][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.734595][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.734785][  T200] 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
[    9.735333][  T200] RSP: 0018:ffa00000008f71b0 EFLAGS: 00010286
[    9.735516][  T200] RAX: 00000000ffffffa6 RBX: ff11000004df9000 RCX: 1ff400000011edfc
[    9.735732][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004df90b8
[    9.735939][  T200] RBP: ff11000009d84000 R08: 1fe22000009bf218 R09: ff1100000d08d180
[    9.736230][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.736439][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.736649][  T200] FS:  00007f9ad808c840(0000) GS:ff11000093530000(0000) knlGS:0000000000000000
[    9.736900][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.737089][  T200] CR2: 000000000042ebe0 CR3: 000000000c757005 CR4: 0000000000771ef0
[    9.737309][  T200] PKRU: 55555554
[    9.737412][  T200] Call Trace:
[    9.737518][  T200]  <TASK>
[    9.737591][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.737739][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.737846][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.737988][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.738135][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.738290][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.738433][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.738577][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.738724][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.738864][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.739006][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.739160][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.739307][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.739448][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.739590][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.739739][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.739878][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.740015][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.740162][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.740302][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.740442][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.740581][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.740722][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.740861][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.741002][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.741145][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.741289][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.741426][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.741588][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.741735][  T200]  ? 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))
[    9.741873][  T200]  ? 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))
[    9.742015][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.742161][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.742299][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.742439][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.742580][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.742747][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.742890][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.743029][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.743193][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.743366][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.743508][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.743647][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.743790][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.743940][  T200]  ? 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))
[    9.744095][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.744245][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.744389][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.744530][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.744671][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.744817][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.744958][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.745097][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.745310][  T200] RIP: 0033:0x7f9ad82c608e
[    9.745456][  T200] 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
[    9.745953][  T200] RSP: 002b:00007ffe367a19e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.746174][  T200] RAX: ffffffffffffffda RBX: 00007ffe367a2178 RCX: 00007f9ad82c608e
[    9.746381][  T200] RDX: 0000000000000000 RSI: 00007ffe367a1a90 RDI: 0000000000000005
[    9.746586][  T200] RBP: 00007ffe367a19f0 R08: 0000000000000000 R09: 0000000000000000
[    9.746806][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc9e


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