======================================
| [    8.819298][  T130] ------------[ cut here ]------------
| [    8.819529][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovs/130
| [    8.819839][  T130] Modules linked in: openvswitch nsh
| [    8.820361][  T130] Tainted: [W]=WARN
[    8.820482][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.820675][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.820869][  T130] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.821401][  T130] RSP: 0018:ffa0000000767488 EFLAGS: 00010286
[    8.821594][  T130] RAX: 00000000ffffffa6 RBX: ff11000001ee39c0 RCX: 1ff40000000ece57
[    8.821816][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ee3a70
[    8.822042][  T130] RBP: ff11000008a1c000 R08: 1fe22000003dc74f R09: ff1100000cc08ba8
[    8.822267][  T130] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.822491][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a1c000
[    8.822719][  T130] FS:  00007f622043ac00(0000) GS:ff110000783bb000(0000) knlGS:0000000000000000
[    8.822977][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.823170][  T130] CR2: 0000000000860698 CR3: 000000000cfa6005 CR4: 0000000000771ef0
[    8.823392][  T130] PKRU: 55555554
[    8.823502][  T130] Call Trace:
[    8.823619][  T130]  <TASK>
[    8.823696][  T130]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    8.823843][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.823990][  T130]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.824146][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.824259][  T130]  register_netdevice (net/core/dev.c:11488)
[    8.824409][  T130]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.824595][  T130]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.824746][  T130] internal_dev_create (net/openvswitch/vport-internal_dev.c:155) openvswitch
[    8.824934][  T130] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[    8.825121][  T130] new_vport (net/openvswitch/datapath.c:203) openvswitch
[    8.825271][  T130] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[    8.825457][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.825647][  T130]  ? __nla_validate_parse (lib/nlattr.c:635)
[    8.825796][  T130]  ? __nla_parse (lib/nlattr.c:732)
[    8.825942][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[    8.826148][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.826295][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.826482][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.826638][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.826787][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.826935][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.827182][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.827365][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.827549][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.827703][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.827852][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.827997][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.828265][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.828417][  T130]  ? 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))
[    8.828566][  T130]  ? 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))
[    8.828714][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.828825][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.828974][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.829125][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.829273][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.829420][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.829570][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.829720][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.829865][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.830015][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.830168][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.830324][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.830474][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.830624][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.830806][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.830952][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.831105][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.831253][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.831398][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.831543][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.831731][  T130] RIP: 0033:0x7f62204ac08e
[    8.831884][  T130] 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
[    8.832413][  T130] RSP: 002b:00007ffe725ef240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.832642][  T130] RAX: ffffffffffffffda RBX: 0000000000000030 RCX: 00007f62204ac08e
[    8.832861][  T130] RDX: 0000000000000030 RSI: 00007f622000fa68 RDI: 0000000000000003
[    8.833085][  T130] RBP: 00007ffe725ef250 R08: 0000000000000000 R09: 0000000000000000
[    8.833306][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f622000fa68
[    8.833525][  T130] R13: 00007b621e6d01c0 R14: 00007b621e6d0030 R15: 00007f6220053000
| [    8.835633][  T130] ------------[ cut here ]------------
| [    8.835783][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovs/130
| [    8.836089][  T130] Modules linked in: openvswitch nsh
| [    8.836719][  T130] Tainted: [W]=WARN
[    8.836835][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.837027][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.837343][  T130] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.837894][  T130] RSP: 0018:ffa00000007673d0 EFLAGS: 00010286
[    8.838094][  T130] RAX: 00000000ffffffa6 RBX: ff11000001ee2340 RCX: 1ff40000000ece40
[    8.838324][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001ee23f0
[    8.838549][  T130] RBP: ff11000008a1c000 R08: 1fe22000003dc47f R09: ff1100000cc08ba8
[    8.838783][  T130] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[    8.839011][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004a3c340
[    8.839352][  T130] FS:  00007f622043ac00(0000) GS:ff110000783bb000(0000) knlGS:0000000000000000
[    8.839841][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.840037][  T130] CR2: 0000000000860698 CR3: 000000000cfa6005 CR4: 0000000000771ef0
[    8.840477][  T130] PKRU: 55555554
[    8.840595][  T130] Call Trace:
[    8.840710][  T130]  <TASK>
[    8.840789][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.841050][  T130]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[    8.841203][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.841318][  T130]  __dev_notify_flags (net/core/dev.c:9787)
[    8.841577][  T130]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[    8.841731][  T130]  ? netdev_notice (net/core/dev.c:13008)
[    8.841880][  T130]  ? netif_change_name (net/core/dev.c:1495)
[    8.842037][  T130]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.842189][  T130]  ? register_netdevice (net/core/dev.c:11488)
[    8.842341][  T130]  __dev_set_promiscuity (net/core/dev.c:9630)
[    8.842490][  T130]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.842792][  T130]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.842944][  T130]  netif_set_promiscuity (net/core/dev.c:9639)
[    8.843100][  T130]  dev_set_promiscuity (net/core/dev_api.c:288)
[    8.843356][  T130] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[    8.843546][  T130] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[    8.843844][  T130] new_vport (net/openvswitch/datapath.c:203) openvswitch
[    8.843997][  T130] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[    8.844222][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.844410][  T130]  ? __nla_validate_parse (lib/nlattr.c:635)
[    8.844569][  T130]  ? __nla_parse (lib/nlattr.c:732)
[    8.844826][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[    8.845138][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.845387][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.845902][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.846352][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.846614][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.847065][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.847376][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.847693][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.848017][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.848474][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.848686][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.849079][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.849329][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.849593][  T130]  ? 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))
[    8.849844][  T130]  ? 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))
[    8.850292][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.850484][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.850742][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.850992][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.851439][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.851698][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.851951][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.852212][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.852659][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.852916][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.853177][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.853450][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.853708][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.853959][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.854282][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.854729][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.854979][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.855236][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.855486][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.855747][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.856256][  T130] RIP: 0033:0x7f62204ac08e
[    8.856517][  T130] 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
[    8.857428][  T130] RSP: 002b:00007ffe725ef240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.857818][  T130] RAX: ffffffffffffffda RBX: 0000000000000030 RCX: 00007f62204ac08e
[    8.859547][  T130] RDX: 0000000000000030 RSI: 00007f622000fa68 RDI: 0000000000000003
[    8.860138][  T130] RBP: 00007ffe725ef250 R08: 0000000000000000 R09: 0000000000000000
[    8.860713][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f622000fa68
[    8.861128][  T130] R13: 00007b621e6d01c0 R14: 00007b621e6d0030 R15: 00007f6220053000
| [    8.871838][  T130] ------------[ cut here ]------------
| [    8.872091][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovs/130
| [    8.872539][  T130] Modules linked in: openvswitch nsh
| [    8.873267][  T130] Tainted: [W]=WARN
[    8.873442][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.873747][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.874057][  T130] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.874886][  T130] RSP: 0018:ffa00000007674e0 EFLAGS: 00010286
[    8.875194][  T130] RAX: 00000000ffffffa6 RBX: ff11000009dedb40 RCX: 1ff40000000ece62
[    8.875542][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009dedbf0
[    8.875900][  T130] RBP: ff11000008a1c000 R08: 1fe22000013bdb7f R09: ff1100000cc08ba8
[    8.876259][  T130] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[    8.876610][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3d0800
[    8.876953][  T130] FS:  00007f622043ac00(0000) GS:ff1100007853b000(0000) knlGS:0000000000000000
[    8.877365][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.877657][  T130] CR2: 000000000072347c CR3: 000000000cfa6001 CR4: 0000000000771ef0
[    8.878010][  T130] PKRU: 55555554
[    8.878191][  T130] Call Trace:
[    8.878364][  T130]  <TASK>
[    8.878483][  T130]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[    8.878782][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.879012][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.879251][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.879427][  T130]  __dev_notify_flags (net/core/dev.c:9787)
[    8.879672][  T130]  ? netdev_notice (net/core/dev.c:13008)
[    8.879901][  T130]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[    8.880203][  T130]  ? netif_change_name (net/core/dev.c:1495)
[    8.880447][  T130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.880693][  T130]  __dev_set_promiscuity (net/core/dev.c:9630)
[    8.880918][  T130]  netif_set_promiscuity (net/core/dev.c:9639)
[    8.881155][  T130]  dev_set_promiscuity (net/core/dev_api.c:288)
[    8.881368][  T130] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[    8.881649][  T130] __dp_destroy (net/openvswitch/datapath.c:1940 (discriminator 1)) openvswitch
[    8.881875][  T130] ovs_dp_cmd_del (net/openvswitch/datapath.c:1974) openvswitch
[    8.882166][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.882386][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.882664][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.882875][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.883079][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.883234][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.883416][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.883606][  T130]  ? __dp_destroy (./include/linux/list.h:227 (discriminator 2) ./include/linux/list.h:249 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1935 (discriminator 2)) openvswitch
[    8.883790][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.883941][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.884100][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.884248][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.884395][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.884546][  T130]  ? 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))
[    8.884698][  T130]  ? 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))
[    8.884847][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.884958][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.885115][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.885261][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.885409][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.885560][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.885710][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.885858][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.886006][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.886158][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.886312][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.886468][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.886645][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.886842][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.887109][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.887257][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.887405][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.887566][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.887714][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.887860][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.888048][  T130] RIP: 0033:0x7f62204ac08e
[    8.888207][  T130] 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
[    8.888736][  T130] RSP: 002b:00007ffe725ef200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.888957][  T130] RAX: ffffffffffffffda RBX: 0000000000000028 RCX: 00007f62204ac08e
[    8.889185][  T130] RDX: 0000000000000028 RSI: 00007f622000fa68 RDI: 0000000000000003
[    8.889403][  T130] RBP: 00007ffe725ef210 R08: 0000000000000000 R09: 0000000000000000
[    8.889635][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f622000fa68
[    8.889853][  T130] R13: 0000000000000008 R14: 00007b621e6d0030 R15: 00007f6220053000
| [    8.892751][  T130] ------------[ cut here ]------------
| [    8.892902][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovs/130
| [    8.893287][  T130] Modules linked in: openvswitch nsh
| [    8.893749][  T130] Tainted: [W]=WARN
[    8.893857][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.894046][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.894230][  T130] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.894738][  T130] RSP: 0018:ffa0000000767500 EFLAGS: 00010286
[    8.894917][  T130] RAX: 00000000ffffffa6 RBX: ff11000009ded9c0 RCX: 1ff40000000ece66
[    8.895140][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009deda70
[    8.895383][  T130] RBP: ff11000008a1c000 R08: 1fe22000013bdb4f R09: ff1100000cc08ba8
[    8.895705][  T130] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.896022][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.896365][  T130] FS:  00007f622043ac00(0000) GS:ff1100007853b000(0000) knlGS:0000000000000000
[    8.896696][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.896959][  T130] CR2: 000000000072347c CR3: 000000000cfa6001 CR4: 0000000000771ef0
[    8.897303][  T130] PKRU: 55555554
[    8.897464][  T130] Call Trace:
[    8.897629][  T130]  <TASK>
[    8.897746][  T130]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.898024][  T130]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.898286][  T130]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.898428][  T130]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    8.898573][  T130]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.898715][  T130]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.898855][  T130]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    8.898997][  T130]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    8.899152][  T130]  ? dev_set_promiscuity (net/core/dev_api.c:289)
[    8.899295][  T130] internal_dev_destroy (./include/linux/netdevice.h:3455 net/openvswitch/vport-internal_dev.c:182) openvswitch
[    8.899477][  T130] __dp_destroy (net/openvswitch/datapath.c:1940 (discriminator 1)) openvswitch
[    8.899628][  T130] ovs_dp_cmd_del (net/openvswitch/datapath.c:1974) openvswitch
[    8.899804][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.899946][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.900135][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.900276][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.900420][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.900569][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.900746][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.900922][  T130]  ? __dp_destroy (./include/linux/list.h:227 (discriminator 2) ./include/linux/list.h:249 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1935 (discriminator 2)) openvswitch
[    8.901108][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.901257][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.901399][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.901540][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.901688][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.901835][  T130]  ? 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))
[    8.901977][  T130]  ? 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))
[    8.902126][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.902238][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.902381][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.902524][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.902670][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.902812][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.902953][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.903103][  T130]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.903249][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.903392][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.903534][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.903691][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.903835][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.903974][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.904158][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.904299][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.904445][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.904594][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.904736][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.904878][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.905060][  T130] RIP: 0033:0x7f62204ac08e
[    8.905254][  T130] 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
[    8.905768][  T130] RSP: 002b:00007ffe725ef200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.905985][  T130] RAX: ffffffffffffffda RBX: 0000000000000028 RCX: 00007f62204ac08e
[    8.906202][  T130] RDX: 0000000000000028 RSI: 00007f622000fa68 RDI: 0000000000000003
[    8.906416][  T130] RBP: 00007ffe725ef210 R08: 0000000000000000 R09: 0000000000000000
[    8.906660][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f622000fa68


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:internal_dev_create:ovs_vport_add
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:internal_dev_destroy:__dp_destroy