======================================
| [    8.788116][  T130] ------------[ cut here ]------------
| [    8.788363][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovs/130
| [    8.788791][  T130] Modules linked in: openvswitch nsh
| [    8.789502][  T130] Tainted: [W]=WARN
[    8.789669][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.789939][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.790184][  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
[    8.790775][  T130] RSP: 0018:ffa00000004d7488 EFLAGS: 00010286
[    8.791027][  T130] RAX: 00000000ffffffa6 RBX: ff11000004c1a4c0 RCX: 1ff400000009ae57
[    8.791301][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c1a570
[    8.791592][  T130] RBP: ff110000087e1000 R08: 1fe22000009834af R09: ff1100000c850ba8
[    8.791884][  T130] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.792158][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e1000
[    8.792451][  T130] FS:  00007feed4422c00(0000) GS:ff110000992bb000(0000) knlGS:0000000000000000
[    8.792779][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.793030][  T130] CR2: 0000000000860698 CR3: 000000000cbdf003 CR4: 0000000000771ef0
[    8.793306][  T130] PKRU: 55555554
[    8.793468][  T130] Call Trace:
[    8.793636][  T130]  <TASK>
[    8.793771][  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))
[    8.793981][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.794183][  T130]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.794384][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.794668][  T130]  register_netdevice (net/core/dev.c:11488)
[    8.794895][  T130]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.795129][  T130]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.795333][  T130] internal_dev_create (net/openvswitch/vport-internal_dev.c:155) openvswitch
[    8.795586][  T130] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[    8.795845][  T130] new_vport (net/openvswitch/datapath.c:203) openvswitch
[    8.796155][  T130] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[    8.796397][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.796639][  T130]  ? __nla_validate_parse (lib/nlattr.c:635)
[    8.796938][  T130]  ? __nla_parse (lib/nlattr.c:732)
[    8.797250][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[    8.797490][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.797694][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.798062][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.798263][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.798467][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.798674][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.798940][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.799175][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.799411][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.799627][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.799855][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.800053][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.800253][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.800456][  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))
[    8.800661][  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))
[    8.800885][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.801049][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.801251][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.801454][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.801664][  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)
[    8.801890][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.802092][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.802395][  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)
[    8.802600][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.802870][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.803074][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.803392][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.803601][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.803807][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.804057][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.804357][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.804564][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.804773][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.805083][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.805285][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.805527][  T130] RIP: 0033:0x7feed449408e
[    8.805742][  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
[    8.806434][  T130] RSP: 002b:00007ffc0734caa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.806846][  T130] RAX: ffffffffffffffda RBX: 0000000000000030 RCX: 00007feed449408e
[    8.807125][  T130] RDX: 0000000000000030 RSI: 00007feed3cbea68 RDI: 0000000000000003
[    8.807395][  T130] RBP: 00007ffc0734cab0 R08: 0000000000000000 R09: 0000000000000000
[    8.807675][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feed3cbea68
[    8.807968][  T130] R13: 00007beed26d01c0 R14: 00007beed26d0030 R15: 00007feed403b000
| [    8.810528][  T130] ------------[ cut here ]------------
| [    8.810682][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovs/130
| [    8.811038][  T130] Modules linked in: openvswitch nsh
| [    8.811516][  T130] Tainted: [W]=WARN
[    8.811634][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.811841][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.812044][  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
[    8.812594][  T130] RSP: 0018:ffa00000004d73d0 EFLAGS: 00010286
[    8.812795][  T130] RAX: 00000000ffffffa6 RBX: ff11000004c1aac0 RCX: 1ff400000009ae40
[    8.813035][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c1ab70
[    8.813266][  T130] RBP: ff110000087e1000 R08: 1fe220000098356f R09: ff1100000c850ba8
[    8.813500][  T130] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[    8.813738][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004a447c0
[    8.813979][  T130] FS:  00007feed4422c00(0000) GS:ff110000991bb000(0000) knlGS:0000000000000000
[    8.814251][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.814446][  T130] CR2: 00007fd0bfc64808 CR3: 000000000cbdf005 CR4: 0000000000771ef0
[    8.814682][  T130] PKRU: 55555554
[    8.814805][  T130] Call Trace:
[    8.814927][  T130]  <TASK>
[    8.815008][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.815166][  T130]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[    8.815322][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.815439][  T130]  __dev_notify_flags (net/core/dev.c:9787)
[    8.815594][  T130]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[    8.815753][  T130]  ? netdev_notice (net/core/dev.c:13008)
[    8.815912][  T130]  ? netif_change_name (net/core/dev.c:1495)
[    8.816067][  T130]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.816222][  T130]  ? register_netdevice (net/core/dev.c:11488)
[    8.816378][  T130]  __dev_set_promiscuity (net/core/dev.c:9630)
[    8.816535][  T130]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.816731][  T130]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.816892][  T130]  netif_set_promiscuity (net/core/dev.c:9639)
[    8.817158][  T130]  dev_set_promiscuity (net/core/dev_api.c:288)
[    8.817311][  T130] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[    8.817512][  T130] ovs_vport_add (net/openvswitch/vport.c:216) openvswitch
[    8.817708][  T130] new_vport (net/openvswitch/datapath.c:203) openvswitch
[    8.817876][  T130] ovs_dp_cmd_new (net/openvswitch/datapath.c:1868) openvswitch
[    8.818071][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.818266][  T130]  ? __nla_validate_parse (lib/nlattr.c:635)
[    8.818422][  T130]  ? __nla_parse (lib/nlattr.c:732)
[    8.818580][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[    8.818780][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.818939][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.819244][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.819512][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.819669][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.819836][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.820135][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.820325][  T130]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:419 (discriminator 7)) openvswitch
[    8.820520][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.820677][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.820844][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.820997][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.821152][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.821312][  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))
[    8.821577][  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))
[    8.821738][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.821861][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.822016][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.822171][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.822325][  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)
[    8.822484][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.822754][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.822914][  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)
[    8.823177][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.823334][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.823491][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.823769][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.823932][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.824089][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.824281][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.824434][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.824592][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.824749][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.824905][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.825059][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.825252][  T130] RIP: 0033:0x7feed449408e
[    8.825415][  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
[    8.825975][  T130] RSP: 002b:00007ffc0734caa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.826337][  T130] RAX: ffffffffffffffda RBX: 0000000000000030 RCX: 00007feed449408e
[    8.826572][  T130] RDX: 0000000000000030 RSI: 00007feed3cbea68 RDI: 0000000000000003
[    8.826806][  T130] RBP: 00007ffc0734cab0 R08: 0000000000000000 R09: 0000000000000000
[    8.827271][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feed3cbea68
[    8.827507][  T130] R13: 00007beed26d01c0 R14: 00007beed26d0030 R15: 00007feed403b000
| [    8.832703][  T130] ------------[ cut here ]------------
| [    8.832876][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovs/130
| [    8.833195][  T130] Modules linked in: openvswitch nsh
| [    8.833731][  T130] Tainted: [W]=WARN
[    8.833963][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.834157][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.834464][  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
[    8.835020][  T130] RSP: 0018:ffa00000004d74e0 EFLAGS: 00010286
[    8.835212][  T130] RAX: 00000000ffffffa6 RBX: ff11000004c1be40 RCX: 1ff400000009ae62
[    8.835438][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c1bef0
[    8.835674][  T130] RBP: ff110000087e1000 R08: 1fe22000009837df R09: ff1100000c850ba8
[    8.835912][  T130] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[    8.836142][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5c2600
[    8.836372][  T130] FS:  00007feed4422c00(0000) GS:ff110000991bb000(0000) knlGS:0000000000000000
[    8.836750][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.837060][  T130] CR2: 000000000072347c CR3: 000000000cbdf005 CR4: 0000000000771ef0
[    8.837290][  T130] PKRU: 55555554
[    8.837405][  T130] Call Trace:
[    8.837519][  T130]  <TASK>
[    8.837598][  T130]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[    8.837904][  T130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.838056][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.838309][  T130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.838424][  T130]  __dev_notify_flags (net/core/dev.c:9787)
[    8.838683][  T130]  ? netdev_notice (net/core/dev.c:13008)
[    8.838849][  T130]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[    8.839036][  T130]  ? netif_change_name (net/core/dev.c:1495)
[    8.839186][  T130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.839341][  T130]  __dev_set_promiscuity (net/core/dev.c:9630)
[    8.839600][  T130]  netif_set_promiscuity (net/core/dev.c:9639)
[    8.839769][  T130]  dev_set_promiscuity (net/core/dev_api.c:288)
[    8.839925][  T130] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[    8.840113][  T130] __dp_destroy (net/openvswitch/datapath.c:1940 (discriminator 1)) openvswitch
[    8.840267][  T130] ovs_dp_cmd_del (net/openvswitch/datapath.c:1974) openvswitch
[    8.840562][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.840712][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.840921][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.841070][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.841329][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.841482][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.841666][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.841962][  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
[    8.842151][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.842305][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.842454][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.842711][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.842871][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.843026][  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))
[    8.843175][  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))
[    8.843430][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.843547][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.843697][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.843856][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.844004][  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)
[    8.844258][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.844418][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.844572][  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)
[    8.844720][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.844983][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.845133][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.845293][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.845450][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.845705][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.845899][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.846047][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.846299][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.846449][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.846603][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.846763][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.847056][  T130] RIP: 0033:0x7feed449408e
[    8.847211][  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
[    8.847870][  T130] RSP: 002b:00007ffc0734ca60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.848093][  T130] RAX: ffffffffffffffda RBX: 0000000000000028 RCX: 00007feed449408e
[    8.848314][  T130] RDX: 0000000000000028 RSI: 00007feed3cbea68 RDI: 0000000000000003
[    8.848645][  T130] RBP: 00007ffc0734ca70 R08: 0000000000000000 R09: 0000000000000000
[    8.848877][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feed3cbea68
[    8.849212][  T130] R13: 0000000000000008 R14: 00007beed26d0030 R15: 00007feed403b000
| [    8.852351][  T130] ------------[ cut here ]------------
| [    8.852505][  T130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovs/130
| [    8.853397][  T130] Modules linked in: openvswitch nsh
| [    8.853950][  T130] Tainted: [W]=WARN
[    8.854057][  T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.854236][  T130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.854420][  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
[    8.854938][  T130] RSP: 0018:ffa00000004d7500 EFLAGS: 00010286
[    8.855117][  T130] RAX: 00000000ffffffa6 RBX: ff11000008dc4c40 RCX: 1ff400000009ae66
[    8.855332][  T130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008dc4cf0
[    8.855549][  T130] RBP: ff110000087e1000 R08: 1fe22000011b899f R09: ff1100000c850ba8
[    8.855768][  T130] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.855985][  T130] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.856199][  T130] FS:  00007feed4422c00(0000) GS:ff110000991bb000(0000) knlGS:0000000000000000
[    8.856448][  T130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.856629][  T130] CR2: 000000000072347c CR3: 000000000cbdf005 CR4: 0000000000771ef0
[    8.856854][  T130] PKRU: 55555554
[    8.856960][  T130] Call Trace:
[    8.857071][  T130]  <TASK>
[    8.857144][  T130]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.857325][  T130]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.857508][  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)
[    8.857653][  T130]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    8.857799][  T130]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.857947][  T130]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.858089][  T130]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    8.858231][  T130]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    8.858371][  T130]  ? dev_set_promiscuity (net/core/dev_api.c:289)
[    8.858515][  T130] internal_dev_destroy (./include/linux/netdevice.h:3455 net/openvswitch/vport-internal_dev.c:182) openvswitch
[    8.858698][  T130] __dp_destroy (net/openvswitch/datapath.c:1940 (discriminator 1)) openvswitch
[    8.858853][  T130] ovs_dp_cmd_del (net/openvswitch/datapath.c:1974) openvswitch
[    8.859034][  T130]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.859178][  T130]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.859357][  T130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.859503][  T130]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.859647][  T130]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.859795][  T130]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.859977][  T130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.860154][  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
[    8.860334][  T130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.860482][  T130]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.860626][  T130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.860773][  T130]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.860922][  T130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.861069][  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))
[    8.861209][  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))
[    8.861353][  T130]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.861462][  T130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.861609][  T130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.861756][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    8.861904][  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)
[    8.862047][  T130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.862191][  T130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.862338][  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)
[    8.862481][  T130]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[    8.862625][  T130]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.862770][  T130]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.862925][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.863069][  T130]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.863210][  T130]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.863390][  T130]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.863535][  T130]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.863680][  T130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.863831][  T130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.863972][  T130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.864116][  T130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.864295][  T130] RIP: 0033:0x7feed449408e
[    8.864444][  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
[    8.864968][  T130] RSP: 002b:00007ffc0734ca60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.865184][  T130] RAX: ffffffffffffffda RBX: 0000000000000028 RCX: 00007feed449408e
[    8.865398][  T130] RDX: 0000000000000028 RSI: 00007feed3cbea68 RDI: 0000000000000003
[    8.865615][  T130] RBP: 00007ffc0734ca70 R08: 0000000000000000 R09: 0000000000000000
[    8.865837][  T130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feed3cbea68


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