[    2.238187] ------------[ cut here ]------------
[    2.238247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/159
[    2.238313] Modules linked in:
[    2.238339] CPU: 0 UID: 0 PID: 159 Comm: unshare Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.238398] Tainted: [W]=WARN
[    2.238419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.238452] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.238481] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[    2.238585] RSP: 0018:ff877186802f3cc8 EFLAGS: 00010286
[    2.238612] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.238661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c20191df00
[    2.238717] RBP: 0000000000000000 R08: ff41a9c2044c6990 R09: ff41a9c20477b02c
[    2.238762] R10: ff41a9c2019be118 R11: fefefefefefefeff R12: 0000000000000000
[    2.238804] R13: 0000000000000010 R14: ff41a9c2019be000 R15: ff41a9c20191df00
[    2.238850] FS:  00007feb14be2740(0000) GS:ff41a9c287496000(0000) knlGS:0000000000000000
[    2.238894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.238935] CR2: 0000560525208310 CR3: 000000000472f006 CR4: 0000000000771ef0
[    2.238978] PKRU: 55555554
[    2.238994] Call Trace:
[    2.239010]  <TASK>
[    2.239026]  rtmsg_ifinfo+0x3c/0xa0
[    2.239051]  register_netdevice+0x889/0x9f0
[    2.239072]  register_netdev+0x1e/0x30
[    2.239094]  loopback_net_init+0x57/0xb0
[    2.239120]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.239150]  ops_init+0x68/0x140
[    2.239173]  setup_net+0x85/0x150
[    2.239196]  copy_net_ns+0xf5/0x200
[    2.239221]  create_new_namespaces+0x117/0x2f0
[    2.239255]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.239284]  ksys_unshare+0x346/0x5e0
[    2.239310]  __x64_sys_unshare+0x12/0x20
[    2.239334]  do_syscall_64+0x104/0xfc0
[    2.239362]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.239392] RIP: 0033:0x7feb14cddbcb
[    2.239417] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
[    2.239515] RSP: 002b:00007ffea6849bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[    2.239565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb14cddbcb
[    2.239609] RDX: 0000000000000000 RSI: 00007ffea6849930 RDI: 0000000040000000
[    2.239654] RBP: 00007ffea6849f50 R08: 00007ffea6849b20 R09: 0000000000000000
[    2.239704] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[    2.239748] R13: 0000000000000000 R14: 00000000ffffffff R15: 000056052520bb68
[    2.239787]  </TASK>
[    2.239802] ---[ end trace 0000000000000000 ]---
[    2.243118] ------------[ cut here ]------------
[    2.243158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/159
[    2.243213] Modules linked in:
[    2.243237] CPU: 0 UID: 0 PID: 159 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.243294] Tainted: [W]=WARN
[    2.243316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.243350] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.243381] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[    2.243484] RSP: 0018:ff877186802f3d68 EFLAGS: 00010286
[    2.243514] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.243554] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c20191df00
[    2.243597] RBP: 0000000000000000 R08: ff41a9c20394eb90 R09: ff41a9c204778030
[    2.243642] R10: ff41a9c2044b0118 R11: fefefefefefefeff R12: 0000000000000000
[    2.243688] R13: 0000000000000010 R14: ff41a9c2044b0000 R15: ff41a9c20191df00
[    2.243739] FS:  00000000343e2400(0000) GS:ff41a9c287496000(0000) knlGS:0000000000000000
[    2.243781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.243818] CR2: 00007f56cda87000 CR3: 00000000044d9001 CR4: 0000000000771ef0
[    2.243861] PKRU: 55555554
[    2.243876] Call Trace:
[    2.243890]  <TASK>
[    2.243905]  rtmsg_ifinfo+0x3c/0xa0
[    2.243927]  register_netdevice+0x889/0x9f0
[    2.243949]  __tun_chr_ioctl+0x83c/0x16c0
[    2.243975]  ? do_sys_openat2+0x9a/0xe0
[    2.244002]  __x64_sys_ioctl+0xa1/0xe0
[    2.244028]  do_syscall_64+0x104/0xfc0
[    2.244051]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.244082] RIP: 0033:0x47cc8d
[    2.244102] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[    2.244200] RSP: 002b:00007ffc90087630 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[    2.244241] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[    2.244283] RDX: 00007ffc900876b0 RSI: 00000000400454ca RDI: 0000000000000005
[    2.244325] RBP: 00007ffc90087680 R08: 0000000000000000 R09: 0000000000000000
[    2.244369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc90087b88
[    2.244409] R13: 00007ffc90087c08 R14: 0000000000000002 R15: 0000000000543540
[    2.244450]  </TASK>
[    2.244464] ---[ end trace 0000000000000000 ]---
[    2.244511] ------------[ cut here ]------------
[    2.244539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/159
[    2.244591] Modules linked in:
[    2.244613] CPU: 0 UID: 0 PID: 159 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.244680] Tainted: [W]=WARN
[    2.244707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.244746] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.244776] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[    2.244871] RSP: 0018:ff877186802f3d60 EFLAGS: 00010286
[    2.244903] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.244945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c20191df00
[    2.244980] RBP: 0000000000000002 R08: ff41a9c20394eb90 R09: ff41a9c204778030
[    2.245027] R10: ff41a9c2044b0118 R11: fefefefefefefeff R12: 0000000000000000
[    2.245067] R13: 0000000000000010 R14: ff41a9c2044b0000 R15: ff41a9c20191df00
[    2.245111] FS:  00000000343e2400(0000) GS:ff41a9c287496000(0000) knlGS:0000000000000000
[    2.245156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.245192] CR2: 00007f56cda87000 CR3: 00000000044d9001 CR4: 0000000000771ef0
[    2.245237] PKRU: 55555554
[    2.245250] Call Trace:
[    2.245264]  <TASK>
[    2.245281]  rtnetlink_event+0x6e/0xb0
[    2.245304]  notifier_call_chain+0x6d/0x100
[    2.245327]  netdev_update_features+0x56/0x60
[    2.245360]  __tun_chr_ioctl+0xbf1/0x16c0
[    2.245383]  ? file_init_path+0x62/0x120
[    2.245403]  __x64_sys_ioctl+0xa1/0xe0
[    2.245424]  do_syscall_64+0x104/0xfc0
[    2.245446]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.245479] RIP: 0033:0x47cc8d
[    2.245501] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[    2.245600] RSP: 002b:00007ffc90087670 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[    2.245642] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[    2.245689] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[    2.245739] RBP: 00007ffc900876c0 R08: 0000000000000000 R09: 0000000000000000
[    2.245779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc90087b88
[    2.245823] R13: 00007ffc90087c08 R14: 0000000000000002 R15: 0000000000543540
[    2.245866]  </TASK>
[    2.245879] ---[ end trace 0000000000000000 ]---
[    2.245920] ------------[ cut here ]------------
[    2.245948] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/159
[    2.245997] Modules linked in:
[    2.246020] CPU: 0 UID: 0 PID: 159 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.246077] Tainted: [W]=WARN
[    2.246100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.246133] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.246163] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[    2.246263] RSP: 0018:ff877186802f3c10 EFLAGS: 00010286
[    2.246295] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.246342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c20191df00
[    2.246387] RBP: 0000000000000000 R08: ff41a9c20394eb90 R09: ff41a9c20477d030
[    2.246428] R10: ff41a9c2044b0118 R11: fefefefefefefeff R12: 0000000000000000
[    2.246470] R13: 0000000000000010 R14: ff41a9c2044b0000 R15: ff41a9c20191df00
[    2.246514] FS:  00000000343e2400(0000) GS:ff41a9c287496000(0000) knlGS:0000000000000000
[    2.246560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.246595] CR2: 00007f56cda87000 CR3: 00000000044d9001 CR4: 0000000000771ef0
[    2.246640] PKRU: 55555554
[    2.246657] Call Trace:
[    2.246686]  <TASK>
[    2.246704]  rtmsg_ifinfo+0x3c/0xa0
[    2.246727]  __dev_notify_flags+0xb1/0xf0
[    2.246750]  netif_change_flags+0x54/0x70
[    2.246769]  dev_change_flags+0x45/0x80
[    2.246794]  devinet_ioctl+0x607/0x7f0
[    2.246815]  inet_ioctl+0x229/0x240
[    2.246839]  ? __rtnl_unlock+0x35/0x60
[    2.246862]  sock_do_ioctl+0x75/0x140
[    2.246886]  __x64_sys_ioctl+0xa1/0xe0
[    2.246911]  do_syscall_64+0x104/0xfc0
[    2.246933]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.246961] RIP: 0033:0x47cc8d
[    2.246981] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[    2.247081] RSP: 002b:00007ffc90087650 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[    2.247122] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[    2.247162] RDX: 00007ffc900876c0 RSI: 0000000000008914 RDI: 0000000000000006
[    2.247203] RBP: 00007ffc900876a0 R08: 0000000000000000 R09: 0000000000000000
[    2.247244] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc90087b88
[    2.247288] R13: 00007ffc90087c08 R14: 0000000000000002 R15: 0000000000543540
[    2.247331]  </TASK>
[    2.247345] ---[ end trace 0000000000000000 ]---
[   47.217770] ------------[ cut here ]------------
[   47.217855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/159
[   47.217923] Modules linked in:
[   47.217950] CPU: 0 UID: 0 PID: 159 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.218014] Tainted: [W]=WARN
[   47.218036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.218073] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.218105] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[   47.218211] RSP: 0018:ff877186802f3b58 EFLAGS: 00010286
[   47.218242] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   47.218289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c201cce000
[   47.218334] RBP: 0000000000000000 R08: ff41a9c20394eb90 R09: ff41a9c20477d030
[   47.218380] R10: ff41a9c2044b0118 R11: fefefefefefefeff R12: 0000000000000000
[   47.218423] R13: 0000000000000010 R14: ff41a9c2044b0000 R15: ff41a9c201cce000
[   47.218472] FS:  0000000000000000(0000) GS:ff41a9c287496000(0000) knlGS:0000000000000000
[   47.218517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.218557] CR2: 00007f56cda87000 CR3: 0000000015042002 CR4: 0000000000771ef0
[   47.218603] PKRU: 55555554
[   47.218620] Call Trace:
[   47.218636]  <TASK>
[   47.218653]  rtmsg_ifinfo+0x3c/0xa0
[   47.218678]  netif_close_many+0xed/0x190
[   47.218848]  unregister_netdevice_many_notify+0x267/0x9d0
[   47.218883]  ? __queue_work+0x141/0x550
[   47.218916]  unregister_netdevice_queue+0x9e/0xd0
[   47.218957]  __tun_detach+0x591/0x5b0
[   47.218984]  tun_chr_close+0x3f/0xc0
[   47.219008]  __fput+0xe8/0x2c0
[   47.219034]  task_work_run+0x63/0xa0
[   47.219061]  do_exit+0x2c1/0xba0
[   47.219086]  do_group_exit+0x2d/0xc0
[   47.219111]  get_signal+0x82e/0x900
[   47.219133]  arch_do_signal_or_restart+0x77/0x2b0
[   47.219166]  exit_to_user_mode_loop+0x75/0x4a0
[   47.219194]  do_syscall_64+0x439/0xfc0
[   47.219219]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.219251] RIP: 0033:0x4c2d9e
[   47.219275] Code: Unable to access opcode bytes at 0x4c2d74.
[   47.219308] RSP: 002b:00007ffc90086fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.219354] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[   47.219397] RDX: 0000000000000014 RSI: 00007ffc900870c0 RDI: 0000000000000007
[   47.219436] RBP: 00007ffc90086ff0 R08: 00007ffc90087080 R09: 000000000000000c
[   47.219479] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000343ec600
[   47.219520] R13: 00007ffc90087c08 R14: 00007ffc900871b0 R15: 0000000000543540
[   47.219567]  </TASK>
[   47.219580] ---[ end trace 0000000000000000 ]---
[   47.219695] ------------[ cut here ]------------
[   47.219751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: packetdrill/159
[   47.219815] Modules linked in:
[   47.219838] CPU: 1 UID: 0 PID: 159 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.219900] Tainted: [W]=WARN
[   47.219919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.219959] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.219987] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[   47.220123] RSP: 0018:ff877186802f3bc8 EFLAGS: 00010286
[   47.220155] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.220197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c201cce800
[   47.220240] RBP: 0000000000000000 R08: ff41a9c20394eb90 R09: ff41a9c2019b1830
[   47.220283] R10: ff41a9c2044b0118 R11: fefefefefefefeff R12: 0000000000000000
[   47.220321] R13: 0000000000000011 R14: ff41a9c2044b0000 R15: ff41a9c201cce800
[   47.220367] FS:  0000000000000000(0000) GS:ff41a9c287516000(0000) knlGS:0000000000000000
[   47.220413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.220450] CR2: 00007f8578013f98 CR3: 0000000015042002 CR4: 0000000000771ef0
[   47.220491] PKRU: 55555554
[   47.220504] Call Trace:
[   47.220519]  <TASK>
[   47.220534]  unregister_netdevice_many_notify+0x877/0x9d0
[   47.220566]  unregister_netdevice_queue+0x9e/0xd0
[   47.220594]  __tun_detach+0x591/0x5b0
[   47.220619]  tun_chr_close+0x3f/0xc0
[   47.220640]  __fput+0xe8/0x2c0
[   47.220660]  task_work_run+0x63/0xa0
[   47.220685]  do_exit+0x2c1/0xba0
[   47.220711]  do_group_exit+0x2d/0xc0
[   47.220732]  get_signal+0x82e/0x900
[   47.220755]  arch_do_signal_or_restart+0x77/0x2b0
[   47.220789]  exit_to_user_mode_loop+0x75/0x4a0
[   47.220820]  do_syscall_64+0x439/0xfc0
[   47.220842]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.220873] RIP: 0033:0x4c2d9e
[   47.220894] Code: Unable to access opcode bytes at 0x4c2d74.
[   47.220929] RSP: 002b:00007ffc90086fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   47.220971] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[   47.221011] RDX: 0000000000000014 RSI: 00007ffc900870c0 RDI: 0000000000000007
[   47.221051] RBP: 00007ffc90086ff0 R08: 00007ffc90087080 R09: 000000000000000c
[   47.221090] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000343ec600
[   47.221138] R13: 00007ffc90087c08 R14: 00007ffc900871b0 R15: 0000000000543540
[   47.221178]  </TASK>
[   47.221192] ---[ end trace 0000000000000000 ]---
[   47.229834] ------------[ cut here ]------------
[   47.229901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:0/12
[   47.229997] Modules linked in:
[   47.230054] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.230147] Tainted: [W]=WARN
[   47.230220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.230288] Workqueue: netns cleanup_net
[   47.230348] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.230412] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 b2 fb ff b9 a6 ff ff
[   47.230542] RSP: 0018:ff87718680067c78 EFLAGS: 00010286
[   47.230606] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.230684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff41a9c20393e200
[   47.230782] RBP: 0000000000000000 R08: ff41a9c2044c6990 R09: ff41a9c20444d82c
[   47.230875] R10: ff41a9c2019be118 R11: fefefefefefefeff R12: 0000000000000000
[   47.230952] R13: 0000000000000011 R14: ff41a9c2019be000 R15: ff41a9c20393e200
[   47.231034] FS:  0000000000000000(0000) GS:ff41a9c287596000(0000) knlGS:0000000000000000
[   47.231114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.231185] CR2: 00007f284d990f98 CR3: 0000000015042002 CR4: 0000000000771ef0
[   47.231265] PKRU: 55555554
[   47.231315] Call Trace:
[   47.231363]  <TASK>
[   47.231414]  unregister_netdevice_many_notify+0x877/0x9d0
[   47.231479]  default_device_exit_batch+0x318/0x390
[   47.231543]  ops_undo_list+0x10b/0x240
[   47.231603]  cleanup_net+0x1d7/0x2e0
[   47.231661]  process_one_work+0x162/0x360
[   47.231726]  worker_thread+0x16e/0x2d0
[   47.231791]  ? rescuer_thread+0x510/0x510
[   47.231848]  kthread+0xe1/0x120
[   47.231912]  ? kthread_park+0xa0/0xa0
[   47.231968]  ret_from_fork+0x16d/0x250
[   47.232026]  ? kthread_park+0xa0/0xa0
[   47.232086]  ret_from_fork_asm+0x11/0x20
[   47.232145]  </TASK>
[   47.232193] ---[ end trace 0000000000000000 ]---