[   47.605328] ------------[ cut here ]------------
[   47.605405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/204
[   47.605492] Modules linked in:
[   47.605546] CPU: 2 UID: 0 PID: 204 Comm: unshare Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.605637] Tainted: [W]=WARN
[   47.605689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.605755] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.605815] 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
[   47.605941] RSP: 0018:ff5c9d164045fcc8 EFLAGS: 00010286
[   47.606001] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.606072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[   47.606146] RBP: 0000000000000000 R08: ff135f898315fd10 R09: ff135f89830d702c
[   47.606225] R10: ff135f898499c118 R11: fefefefefefefeff R12: 0000000000000000
[   47.606297] R13: 0000000000000010 R14: ff135f898499c000 R15: ff135f89818d0500
[   47.606374] FS:  00007fc1564fe740(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[   47.606450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.606516] CR2: 00007fc1566c0280 CR3: 0000000004978002 CR4: 0000000000771ef0
[   47.606590] PKRU: 55555554
[   47.606639] Call Trace:
[   47.606686]  <TASK>
[   47.606733]  rtmsg_ifinfo+0x3c/0xa0
[   47.606787]  register_netdevice+0x889/0x9f0
[   47.606842]  register_netdev+0x1e/0x30
[   47.606896]  loopback_net_init+0x57/0xb0
[   47.606953]  ? vsock_sysctl_init_net+0xb6/0x140
[   47.607015]  ops_init+0x68/0x140
[   47.607072]  setup_net+0x85/0x150
[   47.607127]  copy_net_ns+0xf5/0x200
[   47.607182]  create_new_namespaces+0x117/0x2f0
[   47.607252]  unshare_nsproxy_namespaces+0x85/0xb0
[   47.607314]  ksys_unshare+0x346/0x5e0
[   47.607370]  __x64_sys_unshare+0x12/0x20
[   47.607425]  do_syscall_64+0x104/0xfc0
[   47.607482]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.607543] RIP: 0033:0x7fc1565f9bcb
[   47.607598] 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
[   47.607728] RSP: 002b:00007fffc6f6e3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[   47.607801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1565f9bcb
[   47.607874] RDX: 0000000000000000 RSI: 00007fffc6f6e140 RDI: 0000000040000000
[   47.607947] RBP: 00007fffc6f6e760 R08: 00007fffc6f6e330 R09: 0000000000000000
[   47.608020] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[   47.608092] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005610b4450b68
[   47.608165]  </TASK>
[   47.608217] ---[ end trace 0000000000000000 ]---
[   47.608892] ------------[ cut here ]------------
[   47.608954] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/204
[   47.609038] Modules linked in:
[   47.609093] CPU: 2 UID: 0 PID: 204 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.609180] Tainted: [W]=WARN
[   47.609243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.609310] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.609370] 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
[   47.609498] RSP: 0018:ff5c9d164045fd68 EFLAGS: 00010286
[   47.609558] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.609638] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[   47.609711] RBP: 0000000000000000 R08: ff135f89831c6e10 R09: ff135f8982d96030
[   47.609784] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[   47.609856] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f89818d0500
[   47.609934] FS:  000000000febf400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[   47.610008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.610074] CR2: 00007fe30ae3e000 CR3: 0000000004942003 CR4: 0000000000771ef0
[   47.610149] PKRU: 55555554
[   47.610206] Call Trace:
[   47.610253]  <TASK>
[   47.610299]  rtmsg_ifinfo+0x3c/0xa0
[   47.610353]  register_netdevice+0x889/0x9f0
[   47.610408]  __tun_chr_ioctl+0x83c/0x16c0
[   47.610465]  ? do_sys_openat2+0x9a/0xe0
[   47.610522]  __x64_sys_ioctl+0xa1/0xe0
[   47.610578]  do_syscall_64+0x104/0xfc0
[   47.610637]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.610698] RIP: 0033:0x47cc8d
[   47.610751] 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
[   47.610875] RSP: 002b:00007ffefa112de0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   47.610949] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   47.611021] RDX: 00007ffefa112e60 RSI: 00000000400454ca RDI: 0000000000000005
[   47.611095] RBP: 00007ffefa112e30 R08: 0000000000000000 R09: 0000000000000000
[   47.611167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffefa113338
[   47.611244] R13: 00007ffefa1133b8 R14: 0000000000000002 R15: 0000000000543540
[   47.611318]  </TASK>
[   47.611364] ---[ end trace 0000000000000000 ]---
[   47.611443] ------------[ cut here ]------------
[   47.611503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/204
[   47.611585] Modules linked in:
[   47.611645] CPU: 2 UID: 0 PID: 204 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.611733] Tainted: [W]=WARN
[   47.611785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.611852] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.611912] 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
[   47.612039] RSP: 0018:ff5c9d164045fd60 EFLAGS: 00010286
[   47.612100] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   47.612174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[   47.612253] RBP: 0000000000000002 R08: ff135f89831c6e10 R09: ff135f8982d96030
[   47.612326] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[   47.612398] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f89818d0500
[   47.612474] FS:  000000000febf400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[   47.612548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.612620] CR2: 00007fe30ae3e000 CR3: 0000000004942003 CR4: 0000000000771ef0
[   47.612695] PKRU: 55555554
[   47.612740] Call Trace:
[   47.612786]  <TASK>
[   47.612832]  rtnetlink_event+0x6e/0xb0
[   47.612886]  notifier_call_chain+0x6d/0x100
[   47.612942]  netdev_update_features+0x56/0x60
[   47.613004]  __tun_chr_ioctl+0xbf1/0x16c0
[   47.613058]  ? file_init_path+0x62/0x120
[   47.613114]  __x64_sys_ioctl+0xa1/0xe0
[   47.613168]  do_syscall_64+0x104/0xfc0
[   47.613226]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.613287] RIP: 0033:0x47cc8d
[   47.613340] 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
[   47.613466] RSP: 002b:00007ffefa112e20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   47.613539] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   47.613617] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[   47.613690] RBP: 00007ffefa112e70 R08: 0000000000000000 R09: 0000000000000000
[   47.613763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffefa113338
[   47.613838] R13: 00007ffefa1133b8 R14: 0000000000000002 R15: 0000000000543540
[   47.613911]  </TASK>
[   47.613956] ---[ end trace 0000000000000000 ]---
[   47.614035] ------------[ cut here ]------------
[   47.614093] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/204
[   47.614173] Modules linked in:
[   47.614233] CPU: 2 UID: 0 PID: 204 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   47.614320] Tainted: [W]=WARN
[   47.614372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.614438] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   47.614499] 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
[   47.614631] RSP: 0018:ff5c9d164045fc10 EFLAGS: 00010286
[   47.614690] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   47.614763] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[   47.614836] RBP: 0000000000000000 R08: ff135f89831c6e10 R09: ff135f8986c8b030
[   47.614909] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[   47.614982] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f89818d0500
[   47.615058] FS:  000000000febf400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[   47.615134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.615205] CR2: 00007fe30ae3e000 CR3: 0000000004942003 CR4: 0000000000771ef0
[   47.615281] PKRU: 55555554
[   47.615327] Call Trace:
[   47.615373]  <TASK>
[   47.615419]  rtmsg_ifinfo+0x3c/0xa0
[   47.615473]  __dev_notify_flags+0xb1/0xf0
[   47.615529]  netif_change_flags+0x54/0x70
[   47.615584]  dev_change_flags+0x45/0x80
[   47.615646]  devinet_ioctl+0x607/0x7f0
[   47.615702]  inet_ioctl+0x229/0x240
[   47.615755]  ? __rtnl_unlock+0x35/0x60
[   47.615810]  sock_do_ioctl+0x75/0x140
[   47.615865]  __x64_sys_ioctl+0xa1/0xe0
[   47.615918]  do_syscall_64+0x104/0xfc0
[   47.615972]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   47.616031] RIP: 0033:0x47cc8d
[   47.616084] 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
[   47.616213] RSP: 002b:00007ffefa112e00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   47.616287] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   47.616359] RDX: 00007ffefa112e70 RSI: 0000000000008914 RDI: 0000000000000006
[   47.616430] RBP: 00007ffefa112e50 R08: 0000000000000000 R09: 0000000000000000
[   47.616503] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffefa113338
[   47.616575] R13: 00007ffefa1133b8 R14: 0000000000000002 R15: 0000000000543540
[   47.616651]  </TASK>
[   47.616696] ---[ end trace 0000000000000000 ]---
[   92.590931] ------------[ cut here ]------------
[   92.591069] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/204
[   92.591161] Modules linked in:
[   92.591377] CPU: 2 UID: 0 PID: 204 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   92.591472] Tainted: [W]=WARN
[   92.591529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.591604] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   92.591669] 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
[   92.591806] RSP: 0018:ff5c9d164045fb58 EFLAGS: 00010286
[   92.591868] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   92.591941] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981dea900
[   92.592016] RBP: 0000000000000000 R08: ff135f89831c6e10 R09: ff135f8986c8b030
[   92.592090] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[   92.592161] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f8981dea900
[   92.592246] FS:  0000000000000000(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[   92.592325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.592392] CR2: 00007fe30ae3e000 CR3: 000000001d842004 CR4: 0000000000771ef0
[   92.592464] PKRU: 55555554
[   92.592512] Call Trace:
[   92.592560]  <TASK>
[   92.592611]  rtmsg_ifinfo+0x3c/0xa0
[   92.592666]  netif_close_many+0xed/0x190
[   92.592723]  unregister_netdevice_many_notify+0x267/0x9d0
[   92.592795]  ? __queue_work+0x141/0x550
[   92.592854]  unregister_netdevice_queue+0x9e/0xd0
[   92.592920]  __tun_detach+0x591/0x5b0
[   92.592980]  tun_chr_close+0x3f/0xc0
[   92.593040]  __fput+0xe8/0x2c0
[   92.593099]  task_work_run+0x63/0xa0
[   92.593155]  do_exit+0x2c1/0xba0
[   92.593219]  do_group_exit+0x2d/0xc0
[   92.593276]  get_signal+0x82e/0x900
[   92.593341]  arch_do_signal_or_restart+0x77/0x2b0
[   92.593409]  exit_to_user_mode_loop+0x75/0x4a0
[   92.593476]  do_syscall_64+0x439/0xfc0
[   92.593538]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   92.593604] RIP: 0033:0x4c2d9e
[   92.593660] Code: Unable to access opcode bytes at 0x4c2d74.
[   92.593728] RSP: 002b:00007ffefa112790 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   92.593814] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[   92.593892] RDX: 0000000000000014 RSI: 00007ffefa112870 RDI: 0000000000000007
[   92.593966] RBP: 00007ffefa1127a0 R08: 00007ffefa112830 R09: 000000000000000c
[   92.594042] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000fec9bc0
[   92.594116] R13: 00007ffefa1133b8 R14: 00007ffefa112960 R15: 0000000000543540
[   92.594198]  </TASK>
[   92.594247] ---[ end trace 0000000000000000 ]---
[   92.594390] ------------[ cut here ]------------
[   92.594426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/204
[   92.594480] Modules linked in:
[   92.594506] CPU: 3 UID: 0 PID: 204 Comm: packetdrill Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   92.594566] Tainted: [W]=WARN
[   92.594587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.594623] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   92.594651] 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
[   92.594747] RSP: 0018:ff5c9d164045fbc8 EFLAGS: 00010286
[   92.594784] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   92.594823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8982eff000
[   92.594864] RBP: 0000000000000000 R08: ff135f89831c6e10 R09: ff135f898486f030
[   92.594905] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[   92.594944] R13: 0000000000000011 R14: ff135f8981c4c000 R15: ff135f8982eff000
[   92.594988] FS:  0000000000000000(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[   92.595032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.595059] CR2: 00007f8a55735620 CR3: 000000000191b004 CR4: 0000000000771ef0
[   92.595103] PKRU: 55555554
[   92.595115] Call Trace:
[   92.595126]  <TASK>
[   92.595141]  unregister_netdevice_many_notify+0x877/0x9d0
[   92.595169]  unregister_netdevice_queue+0x9e/0xd0
[   92.595201]  __tun_detach+0x591/0x5b0
[   92.595225]  tun_chr_close+0x3f/0xc0
[   92.595248]  __fput+0xe8/0x2c0
[   92.595272]  task_work_run+0x63/0xa0
[   92.595295]  do_exit+0x2c1/0xba0
[   92.595314]  do_group_exit+0x2d/0xc0
[   92.595334]  get_signal+0x82e/0x900
[   92.595358]  arch_do_signal_or_restart+0x77/0x2b0
[   92.595387]  exit_to_user_mode_loop+0x75/0x4a0
[   92.595414]  do_syscall_64+0x439/0xfc0
[   92.595437]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   92.595466] RIP: 0033:0x4c2d9e
[   92.595487] Code: Unable to access opcode bytes at 0x4c2d74.
[   92.595519] RSP: 002b:00007ffefa112790 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   92.595560] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[   92.595600] RDX: 0000000000000014 RSI: 00007ffefa112870 RDI: 0000000000000007
[   92.595645] RBP: 00007ffefa1127a0 R08: 00007ffefa112830 R09: 000000000000000c
[   92.595690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000fec9bc0
[   92.595735] R13: 00007ffefa1133b8 R14: 00007ffefa112960 R15: 0000000000543540
[   92.595779]  </TASK>
[   92.595793] ---[ end trace 0000000000000000 ]---
[   92.600297] ------------[ cut here ]------------
[   92.600329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[   92.600393] Modules linked in:
[   92.600417] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   92.600473] Tainted: [W]=WARN
[   92.600493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.600528] Workqueue: netns cleanup_net
[   92.600550] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   92.600578] 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
[   92.600669] RSP: 0018:ff5c9d164023fc78 EFLAGS: 00010286
[   92.600695] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   92.600734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981deaa00
[   92.600778] RBP: 0000000000000000 R08: ff135f898315fd10 R09: ff135f89878c082c
[   92.600825] R10: ff135f898499c118 R11: fefefefefefefeff R12: 0000000000000000
[   92.600864] R13: 0000000000000011 R14: ff135f898499c000 R15: ff135f8981deaa00
[   92.600908] FS:  0000000000000000(0000) GS:ff135f8a2cd16000(0000) knlGS:0000000000000000
[   92.600956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.600992] CR2: 00007f4c6b05b680 CR3: 000000001d842001 CR4: 0000000000771ef0
[   92.601035] PKRU: 55555554
[   92.601049] Call Trace:
[   92.601063]  <TASK>
[   92.601078]  unregister_netdevice_many_notify+0x877/0x9d0
[   92.601107]  default_device_exit_batch+0x318/0x390
[   92.601135]  ops_undo_list+0x10b/0x240
[   92.601156]  cleanup_net+0x1d7/0x2e0
[   92.601177]  process_one_work+0x162/0x360
[   92.601206]  worker_thread+0x16e/0x2d0
[   92.601228]  ? rescuer_thread+0x510/0x510
[   92.601251]  kthread+0xe1/0x120
[   92.601272]  ? kthread_park+0xa0/0xa0
[   92.601292]  ret_from_fork+0x16d/0x250
[   92.601315]  ? kthread_park+0xa0/0xa0
[   92.601336]  ret_from_fork_asm+0x11/0x20
[   92.601359]  </TASK>
[   92.601374] ---[ end trace 0000000000000000 ]---