======================================
| xx__-> [    9.451981][  T186] ------------[ cut here ]------------
| [    9.452229][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.452680][  T186] Modules linked in: veth
| [    9.453130][  T186] Tainted: [W]=WARN
[    9.453245][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.453423][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.453611][  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
[    9.454124][  T186] RSP: 0018:ffa00000008e6e30 EFLAGS: 00010286
[    9.454310][  T186] RAX: 00000000ffffffa6 RBX: ff110000092698c0 RCX: 1ff400000011cd8c
[    9.454524][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009269978
[    9.454784][  T186] RBP: ff1100000a084000 R08: 1fe220000124d330 R09: ff1100000c2d8b80
[    9.454995][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.455223][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b79580
[    9.455443][  T186] FS:  00007fa0d6935840(0000) GS:ff1100009d730000(0000) knlGS:0000000000000000
[    9.455700][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.455880][  T186] CR2: 000000000042ebe0 CR3: 000000000b387001 CR4: 0000000000771ef0
[    9.456104][  T186] PKRU: 55555554
[    9.456220][  T186] Call Trace:
[    9.456326][  T186]  <TASK>
[    9.456403][  T186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.456584][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.456735][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.456842][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.456987][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.457133][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.457293][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.457438][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.457580][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.457828][  T186]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.457970][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.458112][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.458260][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.458406][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.458647][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[    9.458886][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.459090][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.459241][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.459382][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.459540][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.459688][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.459831][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.459970][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.460112][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.460263][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.460504][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.460745][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.460888][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.461045][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.461291][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.461436][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.461575][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.461721][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.461881][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.462049][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.462310][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.462455][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.462696][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.462838][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.462978][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.463120][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.463269][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.463412][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.463554][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.463702][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.463937][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.464083][  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))
[    9.464230][  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))
[    9.464378][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.464615][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.464779][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.464921][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.465068][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.465219][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.465363][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.465508][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.465655][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.465924][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.466075][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.466223][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.466363][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.466616][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.466763][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.466903][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.467044][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.467292][  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)
[    9.467438][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.467583][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.467732][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.467901][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.468046][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.468194][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.468373][  T186] RIP: 0033:0x7fa0d6b6f08e
[    9.468524][  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
[    9.469034][  T186] RSP: 002b:00007ffc11d34580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.469353][  T186] RAX: ffffffffffffffda RBX: 00007ffc11d34d18 RCX: 00007fa0d6b6f08e
[    9.469669][  T186] RDX: 0000000000000000 RSI: 00007ffc11d34630 RDI: 0000000000000005
[    9.469886][  T186] RBP: 00007ffc11d34590 R08: 0000000000000000 R09: 0000000000000000
[    9.470199][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa3
[    9.470417][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc11d34cf0
| [    9.480801][  T186] ------------[ cut here ]------------
| [    9.480980][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/186
| [    9.481227][  T186] Modules linked in: veth
| [    9.481644][  T186] Tainted: [W]=WARN
[    9.481748][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.481922][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.482104][  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
[    9.482604][  T186] RSP: 0018:ffa00000008e71b0 EFLAGS: 00010286
[    9.482782][  T186] RAX: 00000000ffffffa6 RBX: ff1100000af71540 RCX: 1ff400000011cdfc
[    9.482987][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000af715f8
[    9.483196][  T186] RBP: ff1100000a099000 R08: 1fe22000015ee2c0 R09: ff1100000c2d8b80
[    9.483407][  T186] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.483613][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.483841][  T186] FS:  00007fa0d6935840(0000) GS:ff1100009d730000(0000) knlGS:0000000000000000
[    9.484084][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.484264][  T186] CR2: 000000000042ebe0 CR3: 000000000b387001 CR4: 0000000000771ef0
[    9.484476][  T186] PKRU: 55555554
[    9.484580][  T186] Call Trace:
[    9.484690][  T186]  <TASK>
[    9.484763][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.484904][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.485011][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.485150][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.485297][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.485437][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.485579][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.485725][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.485866][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.486004][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.486140][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.486293][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.486437][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.486576][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.486721][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.486858][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.486994][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.487130][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.487284][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.487426][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.487563][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.487721][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.487858][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.487994][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.488133][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.488274][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.488417][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.488555][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.488699][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.488840][  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))
[    9.488975][  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))
[    9.489113][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.489260][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.489433][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.489575][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.489718][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.489858][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.489998][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.490139][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.490367][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.490648][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.490793][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.490930][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.491069][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.491325][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.491470][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.491607][  T186]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.491748][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.491890][  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)
[    9.492030][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.492274][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.492417][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.492565][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.492713][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.492851][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.493023][  T186] RIP: 0033:0x7fa0d6b6f08e
[    9.493270][  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
[    9.493805][  T186] RSP: 002b:00007ffc11d34580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.494012][  T186] RAX: ffffffffffffffda RBX: 00007ffc11d34d18 RCX: 00007fa0d6b6f08e
[    9.494323][  T186] RDX: 0000000000000000 RSI: 00007ffc11d34630 RDI: 0000000000000005
[    9.494530][  T186] RBP: 00007ffc11d34590 R08: 0000000000000000 R09: 0000000000000000
[    9.494741][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa3
[    9.494948][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc11d34cf0
| [    9.615863][  T193] ------------[ cut here ]------------
| [    9.616262][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    9.616521][  T193] Modules linked in: veth
| [    9.616965][  T193] Tainted: [W]=WARN
[    9.617074][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.617261][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.617459][  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
[    9.617971][  T193] RSP: 0018:ffa0000000616e30 EFLAGS: 00010286
[    9.618156][  T193] RAX: 00000000ffffffa6 RBX: ff1100000a2c6200 RCX: 1ff40000000c2d8c
[    9.618392][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2c62b8
[    9.618604][  T193] RBP: ff11000008da1000 R08: 1fe2200001458c58 R09: ff1100000c36d180
[    9.618822][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.619034][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000099a1200
[    9.619252][  T193] FS:  00007fe35d0f0840(0000) GS:ff1100009d5b0000(0000) knlGS:0000000000000000
[    9.619505][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.619695][  T193] CR2: 000000000042ebe0 CR3: 000000000d0c1001 CR4: 0000000000771ef0
[    9.619907][  T193] PKRU: 55555554
[    9.620013][  T193] Call Trace:
[    9.620120][  T193]  <TASK>
[    9.620209][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.620357][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.620467][  T193]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.620710][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.620853][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.620992][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.621132][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.621280][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.621425][  T193]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.621577][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.621727][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.621870][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.622009][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.622152][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.622305][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[    9.622453][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.622634][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.622778][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.622919][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.623080][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.623228][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.623377][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.623538][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.623692][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.623836][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.623995][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.624141][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.624299][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.624457][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.624604][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.624754][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.624895][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.625038][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.625182][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.625325][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.625476][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.625619][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.625766][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.625909][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.626050][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.626202][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.626377][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.626521][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.626694][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.626836][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.626979][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.627125][  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))
[    9.627277][  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))
[    9.627424][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.627569][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.627725][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.627874][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.628016][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.628168][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.628317][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.628466][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.628608][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.628789][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.628936][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.629082][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.629232][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.629389][  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))
[    9.629980][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.630130][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.630286][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.630433][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.630577][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.630726][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.630881][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.631041][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.631232][  T193] RIP: 0033:0x7fe35d32a08e
[    9.631385][  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
[    9.631904][  T193] RSP: 002b:00007ffc1797a7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.632124][  T193] RAX: ffffffffffffffda RBX: 00007ffc1797af68 RCX: 00007fe35d32a08e
[    9.632356][  T193] RDX: 0000000000000000 RSI: 00007ffc1797a880 RDI: 0000000000000005
[    9.632576][  T193] RBP: 00007ffc1797a7e0 R08: 0000000000000000 R09: 0000000000000000
[    9.632796][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa4
[    9.633010][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1797af40
| [    9.642136][  T193] ------------[ cut here ]------------
| [    9.642302][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/193
| [    9.642545][  T193] Modules linked in: veth
| [    9.642958][  T193] Tainted: [W]=WARN
[    9.643063][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.643243][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.643423][  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
[    9.644021][  T193] RSP: 0018:ffa00000006171b0 EFLAGS: 00010286
[    9.644207][  T193] RAX: 00000000ffffffa6 RBX: ff1100000ce39700 RCX: 1ff40000000c2dfc
[    9.644417][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ce397b8
[    9.644622][  T193] RBP: ff110000088f9000 R08: 1fe22000019c72f8 R09: ff1100000c36d180
[    9.644837][  T193] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.645039][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.645250][  T193] FS:  00007fe35d0f0840(0000) GS:ff1100009d5b0000(0000) knlGS:0000000000000000
[    9.645491][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.645771][  T193] CR2: 000000000042ebe0 CR3: 000000000d0c1001 CR4: 0000000000771ef0
[    9.645975][  T193] PKRU: 55555554
[    9.646079][  T193] Call Trace:
[    9.646189][  T193]  <TASK>
[    9.646260][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.646406][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.646510][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.646653][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.646790][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.646927][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.647067][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.647219][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.647357][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.647497][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.647638][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.647784][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.648022][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.648168][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.648311][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.648453][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.648591][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.648751][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.648893][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.649032][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.649174][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.649314][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.649454][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.649590][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.649735][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.650028][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.650175][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.650414][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.650552][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.650789][  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))
[    9.651400][  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))
[    9.651539][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.651682][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.651823][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.651963][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.652105][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.652505][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.652674][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.653002][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.653141][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.653401][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.653603][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.653745][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.653882][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.654028][  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))
[    9.654233][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.654376][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.654521][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.654668][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.654808][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.654947][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.655088][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.655287][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.655477][  T193] RIP: 0033:0x7fe35d32a08e
[    9.655627][  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
[    9.656122][  T193] RSP: 002b:00007ffc1797a7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.656646][  T193] RAX: ffffffffffffffda RBX: 00007ffc1797af68 RCX: 00007fe35d32a08e
[    9.656856][  T193] RDX: 0000000000000000 RSI: 00007ffc1797a880 RDI: 0000000000000005
[    9.657065][  T193] RBP: 00007ffc1797a7e0 R08: 0000000000000000 R09: 0000000000000000
[    9.657332][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa4
[    9.657541][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1797af40
| [    9.902156][  T200] ------------[ cut here ]------------
| [    9.902368][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.902622][  T200] Modules linked in: veth
| [    9.903052][  T200] Tainted: [W]=WARN
[    9.903169][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.903353][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.903546][  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
[    9.904055][  T200] RSP: 0018:ffa00000007a6e30 EFLAGS: 00010286
[    9.904340][  T200] RAX: 00000000ffffffa6 RBX: ff11000004ad3e00 RCX: 1ff40000000f4d8c
[    9.904557][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ad3eb8
[    9.904774][  T200] RBP: ff11000008691000 R08: 1fe220000095a7d8 R09: ff1100000c1dae80
[    9.904985][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.905298][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009558400
[    9.905516][  T200] FS:  00007f596880b840(0000) GS:ff1100009d5b0000(0000) knlGS:0000000000000000
[    9.905771][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.905951][  T200] CR2: 000000000042ebe0 CR3: 000000000ba98004 CR4: 0000000000771ef0
[    9.906251][  T200] PKRU: 55555554
[    9.906357][  T200] Call Trace:
[    9.906552][  T200]  <TASK>
[    9.906628][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.906779][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.906924][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.907032][  T200]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.907269][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.907416][  T200]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.907559][  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)
[    9.907707][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.907848][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.907987][  T200]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.908129][  T200]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.908367][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.908517][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.908663][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.908805][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.908946][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.909090][  T200]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.909308][  T200] veth_newlink (drivers/net/veth.c:1871) veth
[    9.909456][  T200]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.909654][  T200]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.909797][  T200]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.909936][  T200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.910095][  T200]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.910244][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.910389][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.910530][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.910680][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.910824][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.910967][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.911108][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.911258][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.911413][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.911558][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.911705][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.911848][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.911990][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.912132][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.912278][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.912424][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.912567][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.912731][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.912874][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.913015][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.913164][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.913307][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.913449][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.913593][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.913737][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.913878][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.914020][  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))
[    9.914169][  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))
[    9.914314][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.914457][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.914599][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.914747][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.914891][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.915034][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.915184][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.915328][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.915471][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.915648][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.915793][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.915934][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.916074][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.916235][  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))
[    9.916382][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.916524][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.916673][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.916818][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.916960][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.917102][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.917252][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.917397][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.917573][  T200] RIP: 0033:0x7f5968a4508e
[    9.917727][  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
[    9.918234][  T200] RSP: 002b:00007ffc4f3acf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.918451][  T200] RAX: ffffffffffffffda RBX: 00007ffc4f3ad6b8 RCX: 00007f5968a4508e
[    9.918682][  T200] RDX: 0000000000000000 RSI: 00007ffc4f3acfd0 RDI: 0000000000000005
[    9.918894][  T200] RBP: 00007ffc4f3acf30 R08: 0000000000000000 R09: 0000000000000000
[    9.919106][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa4
[    9.919325][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4f3ad690
| [    9.929592][  T200] ------------[ cut here ]------------
| [    9.929759][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/200
| [    9.929998][  T200] Modules linked in: veth
| [    9.930400][  T200] Tainted: [W]=WARN
[    9.930503][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.930679][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.930860][  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
[    9.931448][  T200] RSP: 0018:ffa00000007a71b0 EFLAGS: 00010286
[    9.931621][  T200] RAX: 00000000ffffffa6 RBX: ff1100000a2c7000 RCX: 1ff40000000f4dfc
[    9.931832][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2c70b8
[    9.932035][  T200] RBP: ff110000087f9000 R08: 1fe2200001458e18 R09: ff1100000c1dae80
[    9.932258][  T200] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.932468][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.932679][  T200] FS:  00007f596880b840(0000) GS:ff1100009d5b0000(0000) knlGS:0000000000000000
[    9.932919][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.933095][  T200] CR2: 000000000042ebe0 CR3: 000000000ba98004 CR4: 0000000000771ef0
[    9.933309][  T200] PKRU: 55555554
[    9.933415][  T200] Call Trace:
[    9.933522][  T200]  <TASK>
[    9.933594][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.933738][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.933843][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.933982][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.934122][  T200]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.934268][  T200]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.934412][  T200]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.934565][  T200]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.934708][  T200]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.934845][  T200]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.934982][  T200]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.935127][  T200]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.935314][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.935454][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.935592][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.935736][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.935873][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.936008][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936148][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936295][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.936436][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.936573][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.936735][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.936871][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.937009][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.937145][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.937292][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.937445][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.937608][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.937757][  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))
[    9.937893][  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))
[    9.938034][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.938193][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.938332][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.938476][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.938618][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.938765][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.938906][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.939045][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.939188][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.939364][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.939509][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.939650][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.939785][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.939931][  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))
[    9.940075][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.940224][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.940366][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940511][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940657][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.940796][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.940933][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.941071][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.941247][  T200] RIP: 0033:0x7f5968a4508e
[    9.941392][  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
[    9.941877][  T200] RSP: 002b:00007ffc4f3acf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.942082][  T200] RAX: ffffffffffffffda RBX: 00007ffc4f3ad6b8 RCX: 00007f5968a4508e
[    9.942299][  T200] RDX: 0000000000000000 RSI: 00007ffc4f3acfd0 RDI: 0000000000000005
[    9.942503][  T200] RBP: 00007ffc4f3acf30 R08: 0000000000000000 R09: 0000000000000000
[    9.942709][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10caa4


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