[    7.395797] ------------[ cut here ]------------
[    7.395843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.395912] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.395976] Tainted: [W]=WARN
[    7.395997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.396028] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.396060] 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 ac fb ff b9 a6 ff ff
[    7.396159] RSP: 0018:ff423041006ffcc8 EFLAGS: 00010286
[    7.396189] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.396234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.396275] RBP: 0000000000000000 R08: ff1e72ef0336db10 R09: ff1e72ef04b4202c
[    7.396316] R10: ff1e72ef06378120 R11: fefefefefefefeff R12: 0000000000000000
[    7.396360] R13: 0000000000000010 R14: ff1e72ef06378000 R15: ff1e72ef01df1900
[    7.396405] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.396450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.396490] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.396538] PKRU: 55555554
[    7.396553] Call Trace:
[    7.396567]  <TASK>
[    7.396583]  rtmsg_ifinfo+0x3c/0xa0
[    7.396606]  register_netdevice+0x889/0x9f0
[    7.396630]  register_netdev+0x1e/0x30
[    7.396649]  loopback_net_init+0x57/0xb0
[    7.396674]  ? vsock_sysctl_init_net+0xb6/0x140
[    7.396705]  ops_init+0x68/0x140
[    7.396724]  setup_net+0x85/0x150
[    7.396748]  copy_net_ns+0xf5/0x200
[    7.396770]  create_new_namespaces+0x117/0x2f0
[    7.396795]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.396826]  ksys_unshare+0x346/0x5e0
[    7.396852]  __x64_sys_unshare+0x12/0x20
[    7.396883]  do_syscall_64+0x104/0xfc0
[    7.396917]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.396946] RIP: 0033:0x7f562f872bcb
[    7.396973] 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
[    7.397069] RSP: 002b:00007ffec80fd158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.397114] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f562f872bcb
[    7.397154] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.397198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.397241] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    7.397280] R13: 0000000000417310 R14: 0000000000000008 R15: 0000000000000080
[    7.397320]  </TASK>
[    7.397339] ---[ end trace 0000000000000000 ]---
[    7.397406] ------------[ cut here ]------------
[    7.397435] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.397491] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.397550] Tainted: [W]=WARN
[    7.397569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.397610] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.397638] 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 ac fb ff b9 a6 ff ff
[    7.397743] RSP: 0018:ff423041006ffcb0 EFLAGS: 00010286
[    7.397770] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.397810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.397861] RBP: 0000000000000000 R08: ff1e72ef0754df10 R09: ff1e72ef04b35030
[    7.397903] R10: ff1e72ef04b42120 R11: fefefefefefefeff R12: 0000000000000000
[    7.397943] R13: 0000000000000010 R14: ff1e72ef04b42000 R15: ff1e72ef01df1900
[    7.397992] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.398036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.398076] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.398121] PKRU: 55555554
[    7.398135] Call Trace:
[    7.398154]  <TASK>
[    7.398169]  rtmsg_ifinfo+0x3c/0xa0
[    7.398192]  register_netdevice+0x889/0x9f0
[    7.398213]  register_netdev+0x1e/0x30
[    7.398238]  sit_init_net+0x102/0x1d0
[    7.398260]  ops_init+0x68/0x140
[    7.398285]  setup_net+0x85/0x150
[    7.398309]  copy_net_ns+0xf5/0x200
[    7.398331]  create_new_namespaces+0x117/0x2f0
[    7.398362]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.398393]  ksys_unshare+0x346/0x5e0
[    7.398416]  __x64_sys_unshare+0x12/0x20
[    7.398435]  do_syscall_64+0x104/0xfc0
[    7.398456]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.398486] RIP: 0033:0x7f562f872bcb
[    7.398505] 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
[    7.398607] RSP: 002b:00007ffec80fd158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.398658] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f562f872bcb
[    7.398700] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.398744] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.398786] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    7.398828] R13: 0000000000417310 R14: 0000000000000008 R15: 0000000000000080
[    7.398872]  </TASK>
[    7.398885] ---[ end trace 0000000000000000 ]---
[    7.399035] ------------[ cut here ]------------
[    7.399063] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.399122] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.399177] Tainted: [W]=WARN
[    7.399201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.399236] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.399261] 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 ac fb ff b9 a6 ff ff
[    7.399350] RSP: 0018:ff423041006ffcc8 EFLAGS: 00010286
[    7.399380] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.399423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.399464] RBP: 0000000000000000 R08: ff1e72ef05d48610 R09: ff1e72ef04b1b02c
[    7.399508] R10: ff1e72ef04b19120 R11: fefefefefefefeff R12: 0000000000000000
[    7.399552] R13: 0000000000000010 R14: ff1e72ef04b19000 R15: ff1e72ef01df1900
[    7.399598] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.399641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.399679] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.399721] PKRU: 55555554
[    7.399735] Call Trace:
[    7.399748]  <TASK>
[    7.399760]  rtmsg_ifinfo+0x3c/0xa0
[    7.399784]  register_netdevice+0x889/0x9f0
[    7.399807]  register_netdev+0x1e/0x30
[    7.399827]  loopback_net_init+0x57/0xb0
[    7.399851]  ? vsock_sysctl_init_net+0xb6/0x140
[    7.399878]  ops_init+0x68/0x140
[    7.399902]  setup_net+0x85/0x150
[    7.399921]  copy_net_ns+0xf5/0x200
[    7.399946]  create_new_namespaces+0x117/0x2f0
[    7.399973]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.400001]  ksys_unshare+0x346/0x5e0
[    7.400020]  __x64_sys_unshare+0x12/0x20
[    7.400041]  do_syscall_64+0x104/0xfc0
[    7.400064]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.400089] RIP: 0033:0x7f562f872bcb
[    7.400115] 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
[    7.400209] RSP: 002b:00007ffec80fd158 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.400250] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f562f872bcb
[    7.400289] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.400327] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.400374] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.400418] R13: 0000000000417310 R14: 0000000000000008 R15: 0000000000000080
[    7.400460]  </TASK>
[    7.400475] ---[ end trace 0000000000000000 ]---
[    7.400541] ------------[ cut here ]------------
[    7.400567] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.400630] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.400687] Tainted: [W]=WARN
[    7.400710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.400743] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.400774] 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 ac fb ff b9 a6 ff ff
[    7.400874] RSP: 0018:ff423041006ffcb0 EFLAGS: 00010286
[    7.400902] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.400945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.400987] RBP: 0000000000000000 R08: ff1e72ef05d48e50 R09: ff1e72ef02d7e030
[    7.401024] R10: ff1e72ef04b1b120 R11: fefefefefefefeff R12: 0000000000000000
[    7.401064] R13: 0000000000000010 R14: ff1e72ef04b1b000 R15: ff1e72ef01df1900
[    7.401110] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.401150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.401185] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.401221] PKRU: 55555554
[    7.401235] Call Trace:
[    7.401248]  <TASK>
[    7.401261]  rtmsg_ifinfo+0x3c/0xa0
[    7.401283]  register_netdevice+0x889/0x9f0
[    7.401305]  register_netdev+0x1e/0x30
[    7.401326]  sit_init_net+0x102/0x1d0
[    7.401348]  ops_init+0x68/0x140
[    7.401372]  setup_net+0x85/0x150
[    7.401400]  copy_net_ns+0xf5/0x200
[    7.401423]  create_new_namespaces+0x117/0x2f0
[    7.401451]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.401482]  ksys_unshare+0x346/0x5e0
[    7.401503]  __x64_sys_unshare+0x12/0x20
[    7.401526]  do_syscall_64+0x104/0xfc0
[    7.401549]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.401576] RIP: 0033:0x7f562f872bcb
[    7.401597] 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
[    7.401699] RSP: 002b:00007ffec80fd158 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.401741] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f562f872bcb
[    7.401785] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.401826] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.401874] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.401915] R13: 0000000000417310 R14: 0000000000000008 R15: 0000000000000080
[    7.401950]  </TASK>
[    7.401965] ---[ end trace 0000000000000000 ]---
[    7.402054] ------------[ cut here ]------------
[    7.402080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.402125] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.402189] Tainted: [W]=WARN
[    7.402216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.402252] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.402277] 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 ac fb ff b9 a6 ff ff
[    7.402379] RSP: 0018:ff423041006ff7b0 EFLAGS: 00010286
[    7.402406] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.402450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.402497] RBP: 0000000000000000 R08: ff1e72ef05d48d90 R09: ff1e72ef04b6d034
[    7.402540] R10: ff1e72ef04b1d120 R11: fefefefefefefeff R12: 0000000000000000
[    7.402586] R13: 0000000000000010 R14: ff1e72ef04b1d000 R15: ff1e72ef0306e400
[    7.402631] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.402675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.402712] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.402754] PKRU: 55555554
[    7.402769] Call Trace:
[    7.402781]  <TASK>
[    7.402796]  rtmsg_ifinfo+0x3c/0xa0
[    7.402815]  __dev_notify_flags+0xb1/0xf0
[    7.402839]  rtnl_configure_link+0x8e/0xc0
[    7.402863]  veth_newlink+0x165/0x450
[    7.402887]  rtnl_newlink+0x705/0xd10
[    7.402910]  ? __d_alloc+0x40/0x200
[    7.402934]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.402965]  netlink_rcv_skb+0xca/0x140
[    7.402986]  netlink_unicast+0x26b/0x3a0
[    7.403008]  netlink_sendmsg+0x1e2/0x430
[    7.403030]  __sys_sendto+0x194/0x220
[    7.403055]  __x64_sys_sendto+0x24/0x30
[    7.403075]  do_syscall_64+0x104/0xfc0
[    7.403096]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.403126] RIP: 0033:0x7f562f7ea08e
[    7.403146] 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
[    7.403242] RSP: 002b:00007ffec80fc850 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.403281] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f562f7ea08e
[    7.403320] RDX: 0000000000000078 RSI: 00007ffec80fc8e0 RDI: 0000000000000008
[    7.403363] RBP: 00007ffec80fc860 R08: 0000000000000000 R09: 0000000000000000
[    7.403406] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.403446] R13: 0000000000000045 R14: 000000000040f84a R15: 0000000000000080
[    7.403507]  </TASK>
[    7.403522] ---[ end trace 0000000000000000 ]---
[    7.403637] ------------[ cut here ]------------
[    7.403678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.403738] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.403798] Tainted: [W]=WARN
[    7.403819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.403859] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.403891] 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 ac fb ff b9 a6 ff ff
[    7.403990] RSP: 0018:ff423041006ffa30 EFLAGS: 00010286
[    7.404019] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.404063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.404117] RBP: 0000000000000000 R08: ff1e72ef05d85990 R09: ff1e72ef04b1f034
[    7.404165] R10: ff1e72ef02d7e120 R11: fefefefefefefeff R12: 0000000000000000
[    7.404212] R13: 0000000000000010 R14: ff1e72ef02d7e000 R15: ff1e72ef0306e400
[    7.404256] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.404300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.404334] CR2: 00007f562f7ea0a0 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.404379] PKRU: 55555554
[    7.404394] Call Trace:
[    7.404409]  <TASK>
[    7.404424]  rtmsg_ifinfo+0x3c/0xa0
[    7.404447]  __dev_notify_flags+0xb1/0xf0
[    7.404471]  rtnl_configure_link+0x8e/0xc0
[    7.404496]  rtnl_newlink+0x744/0xd10
[    7.404519]  ? __d_alloc+0x40/0x200
[    7.404540]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.404568]  netlink_rcv_skb+0xca/0x140
[    7.404586]  netlink_unicast+0x26b/0x3a0
[    7.404610]  netlink_sendmsg+0x1e2/0x430
[    7.404637]  __sys_sendto+0x194/0x220
[    7.404660]  __x64_sys_sendto+0x24/0x30
[    7.404684]  do_syscall_64+0x104/0xfc0
[    7.404706]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.404734] RIP: 0033:0x7f562f7ea08e
[    7.404756] 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
[    7.404861] RSP: 002b:00007ffec80fc850 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.404904] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f562f7ea08e
[    7.404948] RDX: 0000000000000078 RSI: 00007ffec80fc8e0 RDI: 0000000000000008
[    7.404991] RBP: 00007ffec80fc860 R08: 0000000000000000 R09: 0000000000000000
[    7.405031] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.405073] R13: 0000000000000045 R14: 000000000040f84a R15: 0000000000000080
[    7.405116]  </TASK>
[    7.405131] ---[ end trace 0000000000000000 ]---
[    7.405299] ------------[ cut here ]------------
[    7.405327] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.405384] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.405447] Tainted: [W]=WARN
[    7.405468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.405503] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.405531] 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 ac fb ff b9 a6 ff ff
[    7.405626] RSP: 0018:ff423041006ffcc8 EFLAGS: 00010286
[    7.405658] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.405700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.405744] RBP: 0000000000000000 R08: ff1e72ef0725ba50 R09: ff1e72ef0496602c
[    7.405792] R10: ff1e72ef07002120 R11: fefefefefefefeff R12: 0000000000000000
[    7.405835] R13: 0000000000000010 R14: ff1e72ef07002000 R15: ff1e72ef0306e400
[    7.405881] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.405923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.405958] CR2: 00000000298d4018 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.405999] PKRU: 55555554
[    7.406011] Call Trace:
[    7.406023]  <TASK>
[    7.406039]  rtmsg_ifinfo+0x3c/0xa0
[    7.406062]  register_netdevice+0x889/0x9f0
[    7.406084]  register_netdev+0x1e/0x30
[    7.406110]  loopback_net_init+0x57/0xb0
[    7.406131]  ? vsock_sysctl_init_net+0xb6/0x140
[    7.406154]  ops_init+0x68/0x140
[    7.406177]  setup_net+0x85/0x150
[    7.406199]  copy_net_ns+0xf5/0x200
[    7.406221]  create_new_namespaces+0x117/0x2f0
[    7.406252]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.406282]  ksys_unshare+0x346/0x5e0
[    7.406303]  __x64_sys_unshare+0x12/0x20
[    7.406325]  do_syscall_64+0x104/0xfc0
[    7.406350]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.406380] RIP: 0033:0x7f562f872bcb
[    7.406403] 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
[    7.406505] RSP: 002b:00007ffec80fd1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.406548] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f562f872bcb
[    7.406592] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.406633] RBP: 000000006a10da59 R08: 0000000000000000 R09: 0000000000000000
[    7.406675] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.406724] R13: 0100000000000000 R14: 0000000000000008 R15: 0000000000000080
[    7.406766]  </TASK>
[    7.406782] ---[ end trace 0000000000000000 ]---
[    7.406852] ------------[ cut here ]------------
[    7.406879] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.406931] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.406986] Tainted: [W]=WARN
[    7.407007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.407043] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.407073] 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 ac fb ff b9 a6 ff ff
[    7.407181] RSP: 0018:ff423041006ffcb0 EFLAGS: 00010286
[    7.407213] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.407253] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.407301] RBP: 0000000000000000 R08: ff1e72ef0725bc10 R09: ff1e72ef06fb4030
[    7.407342] R10: ff1e72ef04966120 R11: fefefefefefefeff R12: 0000000000000000
[    7.407383] R13: 0000000000000010 R14: ff1e72ef04966000 R15: ff1e72ef0306e400
[    7.407429] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.407476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.407508] CR2: 00000000298d4018 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.407550] PKRU: 55555554
[    7.407566] Call Trace:
[    7.407578]  <TASK>
[    7.407593]  rtmsg_ifinfo+0x3c/0xa0
[    7.407612]  register_netdevice+0x889/0x9f0
[    7.407636]  register_netdev+0x1e/0x30
[    7.407659]  sit_init_net+0x102/0x1d0
[    7.407680]  ops_init+0x68/0x140
[    7.407703]  setup_net+0x85/0x150
[    7.407725]  copy_net_ns+0xf5/0x200
[    7.407748]  create_new_namespaces+0x117/0x2f0
[    7.407777]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.407810]  ksys_unshare+0x346/0x5e0
[    7.407831]  __x64_sys_unshare+0x12/0x20
[    7.407858]  do_syscall_64+0x104/0xfc0
[    7.407881]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.407911] RIP: 0033:0x7f562f872bcb
[    7.407938] 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
[    7.408045] RSP: 002b:00007ffec80fd1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.408088] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f562f872bcb
[    7.408131] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.408172] RBP: 000000006a10da59 R08: 0000000000000000 R09: 0000000000000000
[    7.408217] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.408259] R13: 0100000000000000 R14: 0000000000000008 R15: 0000000000000080
[    7.408299]  </TASK>
[    7.408313] ---[ end trace 0000000000000000 ]---
[    7.408424] ------------[ cut here ]------------
[    7.408496] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.408592] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.408687] Tainted: [W]=WARN
[    7.408743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.408813] Workqueue: netns cleanup_net
[    7.408880] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.408946] 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 ac fb ff b9 a6 ff ff
[    7.409082] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[    7.409146] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.409223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.409301] RBP: 0000000000000000 R08: ff1e72ef0754df10 R09: ff1e72ef04b58030
[    7.409378] R10: ff1e72ef04b42120 R11: fefefefefefefeff R12: 0000000000000000
[    7.409456] R13: 0000000000000011 R14: ff1e72ef04b42000 R15: ff1e72ef01df0300
[    7.409545] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.409625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.409696] CR2: 00005589e49a0b88 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.409776] PKRU: 55555554
[    7.409825] Call Trace:
[    7.409883]  <TASK>
[    7.409933]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.409998]  ops_undo_list+0x20a/0x240
[    7.410057]  cleanup_net+0x1d7/0x2e0
[    7.410115]  process_one_work+0x162/0x360
[    7.410174]  worker_thread+0x16e/0x2d0
[    7.410235]  ? rescuer_thread+0x510/0x510
[    7.410292]  kthread+0xe1/0x120
[    7.410350]  ? kthread_park+0xa0/0xa0
[    7.410407]  ret_from_fork+0x16d/0x250
[    7.410464]  ? kthread_park+0xa0/0xa0
[    7.410533]  ret_from_fork_asm+0x11/0x20
[    7.410592]  </TASK>
[    7.410641] ---[ end trace 0000000000000000 ]---
[    7.411934] ------------[ cut here ]------------
[    7.411964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.412031] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.412090] Tainted: [W]=WARN
[    7.412110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.412148] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.412178] 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 ac fb ff b9 a6 ff ff
[    7.412264] RSP: 0018:ff423041006ffcc8 EFLAGS: 00010286
[    7.412296] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.412338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.412380] RBP: 0000000000000000 R08: ff1e72ef01239250 R09: ff1e72ef0769102c
[    7.412416] R10: ff1e72ef04b68120 R11: fefefefefefefeff R12: 0000000000000000
[    7.412459] R13: 0000000000000010 R14: ff1e72ef04b68000 R15: ff1e72ef0306e400
[    7.412502] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.412553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.412588] CR2: 00000000298d4018 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.412629] PKRU: 55555554
[    7.412642] Call Trace:
[    7.412654]  <TASK>
[    7.412670]  rtmsg_ifinfo+0x3c/0xa0
[    7.412693]  register_netdevice+0x889/0x9f0
[    7.412713]  register_netdev+0x1e/0x30
[    7.412733]  loopback_net_init+0x57/0xb0
[    7.412756]  ? vsock_sysctl_init_net+0xb6/0x140
[    7.412788]  ops_init+0x68/0x140
[    7.412811]  setup_net+0x85/0x150
[    7.412835]  copy_net_ns+0xf5/0x200
[    7.412858]  create_new_namespaces+0x117/0x2f0
[    7.412890]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.412917]  ksys_unshare+0x346/0x5e0
[    7.412938]  __x64_sys_unshare+0x12/0x20
[    7.412959]  do_syscall_64+0x104/0xfc0
[    7.412981]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.413007] RIP: 0033:0x7f562f872bcb
[    7.413029] 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
[    7.413127] RSP: 002b:00007ffec80fd1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.413170] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f562f872bcb
[    7.413215] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.413265] RBP: 000000006a10da59 R08: 0000000000000000 R09: 0000000000000000
[    7.413314] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.413349] R13: 0100000000000000 R14: 0000000000000008 R15: 0000000000000080
[    7.413390]  </TASK>
[    7.413404] ---[ end trace 0000000000000000 ]---
[    7.413465] ------------[ cut here ]------------
[    7.413493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.413553] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.413608] Tainted: [W]=WARN
[    7.413629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.413666] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.413696] 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 ac fb ff b9 a6 ff ff
[    7.413793] RSP: 0018:ff423041006ffcb0 EFLAGS: 00010286
[    7.413822] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.413867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.413913] RBP: 0000000000000000 R08: ff1e72ef01239dd0 R09: ff1e72ef07696030
[    7.413954] R10: ff1e72ef07691120 R11: fefefefefefefeff R12: 0000000000000000
[    7.413993] R13: 0000000000000010 R14: ff1e72ef07691000 R15: ff1e72ef0306e400
[    7.414035] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.414083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.414118] CR2: 00000000298d4018 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.414159] PKRU: 55555554
[    7.414173] Call Trace:
[    7.414188]  <TASK>
[    7.414202]  rtmsg_ifinfo+0x3c/0xa0
[    7.414222]  register_netdevice+0x889/0x9f0
[    7.414243]  register_netdev+0x1e/0x30
[    7.414263]  sit_init_net+0x102/0x1d0
[    7.414286]  ops_init+0x68/0x140
[    7.414307]  setup_net+0x85/0x150
[    7.414329]  copy_net_ns+0xf5/0x200
[    7.414351]  create_new_namespaces+0x117/0x2f0
[    7.414377]  unshare_nsproxy_namespaces+0x85/0xb0
[    7.414405]  ksys_unshare+0x346/0x5e0
[    7.414428]  __x64_sys_unshare+0x12/0x20
[    7.414447]  do_syscall_64+0x104/0xfc0
[    7.414471]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.414506] RIP: 0033:0x7f562f872bcb
[    7.414526] 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
[    7.414624] RSP: 002b:00007ffec80fd1b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.414664] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f562f872bcb
[    7.414706] RDX: 0000000000000000 RSI: 000000000040fb7a RDI: 0000000040000000
[    7.414751] RBP: 000000006a10da59 R08: 0000000000000000 R09: 0000000000000000
[    7.414794] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.414843] R13: 0100000000000000 R14: 0000000000000008 R15: 0000000000000080
[    7.414891]  </TASK>
[    7.414906] ---[ end trace 0000000000000000 ]---
[    7.425906] ------------[ cut here ]------------
[    7.425995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.426093] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.426219] Tainted: [W]=WARN
[    7.426277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.426348] Workqueue: netns cleanup_net
[    7.426405] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.426478] 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 ac fb ff b9 a6 ff ff
[    7.426620] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.426684] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.426764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.426842] RBP: 0000000000000000 R08: ff1e72ef05d85990 R09: ff1e72ef019c7034
[    7.426927] R10: ff1e72ef02d7e120 R11: fefefefefefefeff R12: 0000000000000000
[    7.427005] R13: 0000000000000011 R14: ff1e72ef02d7e000 R15: ff1e72ef01df0300
[    7.427085] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.427168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.427249] CR2: 00007efc9ea86000 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.427329] PKRU: 55555554
[    7.427377] Call Trace:
[    7.427426]  <TASK>
[    7.427475]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.427547]  default_device_exit_batch+0x318/0x390
[    7.427613]  ops_undo_list+0x10b/0x240
[    7.427672]  cleanup_net+0x1d7/0x2e0
[    7.427731]  process_one_work+0x162/0x360
[    7.427790]  worker_thread+0x16e/0x2d0
[    7.427855]  ? rescuer_thread+0x510/0x510
[    7.427911]  kthread+0xe1/0x120
[    7.427968]  ? kthread_park+0xa0/0xa0
[    7.428026]  ret_from_fork+0x16d/0x250
[    7.428083]  ? kthread_park+0xa0/0xa0
[    7.428140]  ret_from_fork_asm+0x11/0x20
[    7.428198]  </TASK>
[    7.428246] ---[ end trace 0000000000000000 ]---
[    7.428366] ------------[ cut here ]------------
[    7.428430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.428530] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.428622] Tainted: [W]=WARN
[    7.428678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.428749] Workqueue: netns cleanup_net
[    7.428807] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.428881] 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 ac fb ff b9 a6 ff ff
[    7.429014] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.429078] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.429186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.429266] RBP: 0000000000000000 R08: ff1e72ef05d48d90 R09: ff1e72ef06368834
[    7.429343] R10: ff1e72ef04b1d120 R11: fefefefefefefeff R12: 0000000000000000
[    7.429418] R13: 0000000000000011 R14: ff1e72ef04b1d000 R15: ff1e72ef01df0300
[    7.429506] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.429585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.429656] CR2: 00007efc9ea86000 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.429735] PKRU: 55555554
[    7.429783] Call Trace:
[    7.429832]  <TASK>
[    7.429887]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.429950]  default_device_exit_batch+0x318/0x390
[    7.430016]  ops_undo_list+0x10b/0x240
[    7.430076]  cleanup_net+0x1d7/0x2e0
[    7.430137]  process_one_work+0x162/0x360
[    7.430198]  worker_thread+0x16e/0x2d0
[    7.430258]  ? rescuer_thread+0x510/0x510
[    7.430319]  kthread+0xe1/0x120
[    7.430399]  ? kthread_park+0xa0/0xa0
[    7.430463]  ret_from_fork+0x16d/0x250
[    7.430528]  ? kthread_park+0xa0/0xa0
[    7.430588]  ret_from_fork_asm+0x11/0x20
[    7.430648]  </TASK>
[    7.430699] ---[ end trace 0000000000000000 ]---
[    7.430830] ------------[ cut here ]------------
[    7.430903] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.430999] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.431092] Tainted: [W]=WARN
[    7.431149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.431221] Workqueue: netns cleanup_net
[    7.431302] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.431372] 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 ac fb ff b9 a6 ff ff
[    7.431532] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.431599] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.431674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.431750] RBP: 0000000000000000 R08: ff1e72ef0336db10 R09: ff1e72ef06ff802c
[    7.431827] R10: ff1e72ef06378120 R11: fefefefefefefeff R12: 0000000000000000
[    7.431908] R13: 0000000000000011 R14: ff1e72ef06378000 R15: ff1e72ef01df0300
[    7.431993] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.432073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.432144] CR2: 00007efc9ea86000 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.432224] PKRU: 55555554
[    7.432282] Call Trace:
[    7.432341]  <TASK>
[    7.432389]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.432454]  default_device_exit_batch+0x318/0x390
[    7.432525]  ops_undo_list+0x10b/0x240
[    7.432592]  cleanup_net+0x1d7/0x2e0
[    7.432649]  process_one_work+0x162/0x360
[    7.432706]  worker_thread+0x16e/0x2d0
[    7.432764]  ? rescuer_thread+0x510/0x510
[    7.432820]  kthread+0xe1/0x120
[    7.432881]  ? kthread_park+0xa0/0xa0
[    7.432939]  ret_from_fork+0x16d/0x250
[    7.432995]  ? kthread_park+0xa0/0xa0
[    7.433052]  ret_from_fork_asm+0x11/0x20
[    7.433110]  </TASK>
[    7.433158] ---[ end trace 0000000000000000 ]---
[    7.433365] ------------[ cut here ]------------
[    7.433408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.433475] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.433537] Tainted: [W]=WARN
[    7.433559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.433595] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.433624] 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 ac fb ff b9 a6 ff ff
[    7.433724] RSP: 0018:ff423041006ff7b0 EFLAGS: 00010286
[    7.433754] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.433794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.433834] RBP: 0000000000000000 R08: ff1e72ef018ac650 R09: ff1e72ef01e82034
[    7.433881] R10: ff1e72ef07695120 R11: fefefefefefefeff R12: 0000000000000000
[    7.433925] R13: 0000000000000010 R14: ff1e72ef07695000 R15: ff1e72ef01df1900
[    7.433971] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.434018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.434052] CR2: 00000000298ea218 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.434087] PKRU: 55555554
[    7.434102] Call Trace:
[    7.434118]  <TASK>
[    7.434133]  rtmsg_ifinfo+0x3c/0xa0
[    7.434154]  __dev_notify_flags+0xb1/0xf0
[    7.434177]  rtnl_configure_link+0x8e/0xc0
[    7.434197]  veth_newlink+0x165/0x450
[    7.434222]  rtnl_newlink+0x705/0xd10
[    7.434244]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.434273]  netlink_rcv_skb+0xca/0x140
[    7.434296]  netlink_unicast+0x26b/0x3a0
[    7.434319]  netlink_sendmsg+0x1e2/0x430
[    7.434340]  __sys_sendto+0x194/0x220
[    7.434359]  __x64_sys_sendto+0x24/0x30
[    7.434382]  do_syscall_64+0x104/0xfc0
[    7.434406]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.434433] RIP: 0033:0x7f562f7f5e32
[    7.434451] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
[    7.434554] RSP: 002b:00007ffec80fc898 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    7.434595] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f562f7f5e32
[    7.434640] RDX: 0000000000000078 RSI: 00007ffec80fc940 RDI: 0000000000000009
[    7.434685] RBP: 00007ffec80fc8c0 R08: 0000000000000000 R09: 0000000000000000
[    7.434735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    7.434778] R13: 0000000000000045 R14: 0000000000413890 R15: 0000000000000080
[    7.434824]  </TASK>
[    7.434837] ---[ end trace 0000000000000000 ]---
[    7.434949] ------------[ cut here ]------------
[    7.435008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.435062] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.435118] Tainted: [W]=WARN
[    7.435138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.435171] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.435203] 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 ac fb ff b9 a6 ff ff
[    7.435305] RSP: 0018:ff423041006ffa30 EFLAGS: 00010286
[    7.435334] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.435376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.435416] RBP: 0000000000000000 R08: ff1e72ef018ac750 R09: ff1e72ef06fb0034
[    7.435460] R10: ff1e72ef07696120 R11: fefefefefefefeff R12: 0000000000000000
[    7.435502] R13: 0000000000000010 R14: ff1e72ef07696000 R15: ff1e72ef01df1900
[    7.435545] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.435590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.435628] CR2: 00000000298ea218 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.435671] PKRU: 55555554
[    7.435685] Call Trace:
[    7.435699]  <TASK>
[    7.435716]  rtmsg_ifinfo+0x3c/0xa0
[    7.435739]  __dev_notify_flags+0xb1/0xf0
[    7.435762]  rtnl_configure_link+0x8e/0xc0
[    7.435785]  rtnl_newlink+0x744/0xd10
[    7.435806]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.435834]  netlink_rcv_skb+0xca/0x140
[    7.435859]  netlink_unicast+0x26b/0x3a0
[    7.435884]  netlink_sendmsg+0x1e2/0x430
[    7.435908]  __sys_sendto+0x194/0x220
[    7.435932]  __x64_sys_sendto+0x24/0x30
[    7.435954]  do_syscall_64+0x104/0xfc0
[    7.435980]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.436007] RIP: 0033:0x7f562f7f5e32
[    7.436028] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
[    7.436125] RSP: 002b:00007ffec80fc898 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    7.436165] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f562f7f5e32
[    7.436207] RDX: 0000000000000078 RSI: 00007ffec80fc940 RDI: 0000000000000009
[    7.436251] RBP: 00007ffec80fc8c0 R08: 0000000000000000 R09: 0000000000000000
[    7.436299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    7.436344] R13: 0000000000000045 R14: 0000000000413890 R15: 0000000000000080
[    7.436386]  </TASK>
[    7.436403] ---[ end trace 0000000000000000 ]---
[    7.436453] ------------[ cut here ]------------
[    7.436482] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.436539] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.436598] Tainted: [W]=WARN
[    7.436621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.436657] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.436686] 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 ac fb ff b9 a6 ff ff
[    7.436783] RSP: 0018:ff423041006ff8e0 EFLAGS: 00010286
[    7.436814] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    7.436859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef0306e400
[    7.436899] RBP: 0000000000000000 R08: ff1e72ef018ac650 R09: ff1e72ef06fb0034
[    7.436943] R10: ff1e72ef07695120 R11: fefefefefefefeff R12: 0000000000000000
[    7.436982] R13: 0000000000000010 R14: ff1e72ef07695000 R15: ff1e72ef0306e400
[    7.437027] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.437069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.437104] CR2: 00000000298ea218 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.437148] PKRU: 55555554
[    7.437166] Call Trace:
[    7.437179]  <TASK>
[    7.437195]  rtmsg_ifinfo+0x3c/0xa0
[    7.437218]  __dev_notify_flags+0xb1/0xf0
[    7.437241]  netif_change_flags+0x54/0x70
[    7.437264]  do_setlink.isra.0+0x3a2/0x1500
[    7.437289]  ? netlink_set_err+0xb6/0x140
[    7.437312]  ? rtmsg_ifinfo_build_skb+0xf9/0x110
[    7.437342]  ? __nla_validate_parse+0x76/0xf20
[    7.437372]  ? __rtnl_unlock+0x35/0x60
[    7.437394]  ? netdev_run_todo+0x72/0x5d0
[    7.437418]  ? __dev_notify_flags+0xb1/0xf0
[    7.437440]  rtnl_newlink+0xa02/0xd10
[    7.437463]  ? kmalloc_reserve+0xa9/0x170
[    7.437490]  ? __alloc_skb+0x6e/0x320
[    7.437511]  ? netlink_attachskb+0x1ba/0x2b0
[    7.437545]  ? file_ns_capable+0x19/0x30
[    7.437569]  ? netlink_net_capable+0x48/0x70
[    7.437599]  ? ns_capable+0x2e/0x50
[    7.437621]  ? rtnetlink_rcv_msg+0x2dd/0x3f0
[    7.437649]  ? netlink_unicast+0x306/0x3a0
[    7.437673]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.437704]  netlink_rcv_skb+0xca/0x140
[    7.437727]  netlink_unicast+0x26b/0x3a0
[    7.437752]  netlink_sendmsg+0x1e2/0x430
[    7.437776]  __sys_sendto+0x194/0x220
[    7.437797]  __x64_sys_sendto+0x24/0x30
[    7.437821]  do_syscall_64+0x104/0xfc0
[    7.437847]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.437879] RIP: 0033:0x7f562f7f5e32
[    7.437902] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
[    7.437994] RSP: 002b:00007ffec80fc8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    7.438038] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f562f7f5e32
[    7.438078] RDX: 0000000000000020 RSI: 00007ffec80fc920 RDI: 0000000000000009
[    7.438125] RBP: 00007ffec80fc8d0 R08: 0000000000000000 R09: 0000000000000000
[    7.438167] R10: 0000000000000000 R11: 0000000000000246 R12: 000000006742c5a0
[    7.438207] R13: 0100000000000000 R14: 00005402b80d0120 R15: 0100000000000000
[    7.438248]  </TASK>
[    7.438263] ---[ end trace 0000000000000000 ]---
[    7.438350] ------------[ cut here ]------------
[    7.438378] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: seq-ext_ipv6/439
[    7.438428] CPU: 0 UID: 0 PID: 439 Comm: seq-ext_ipv6 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.438485] Tainted: [W]=WARN
[    7.438504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.438540] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.438572] 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 ac fb ff b9 a6 ff ff
[    7.438667] RSP: 0018:ff423041006ff8e0 EFLAGS: 00010286
[    7.438693] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    7.438732] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df1900
[    7.438772] RBP: 0000000000000000 R08: ff1e72ef018ac750 R09: ff1e72ef06fb0034
[    7.438814] R10: ff1e72ef07696120 R11: fefefefefefefeff R12: 0000000000000000
[    7.438860] R13: 0000000000000010 R14: ff1e72ef07696000 R15: ff1e72ef01df1900
[    7.438902] FS:  00007f562f777780(0000) GS:ff1e72ef9f049000(0000) knlGS:0000000000000000
[    7.438943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.438976] CR2: 00007f562ef73cd4 CR3: 0000000006fef004 CR4: 0000000000771ef0
[    7.439018] PKRU: 55555554
[    7.439033] Call Trace:
[    7.439046]  <TASK>
[    7.439062]  rtmsg_ifinfo+0x3c/0xa0
[    7.439086]  __dev_notify_flags+0xb1/0xf0
[    7.439108]  netif_change_flags+0x54/0x70
[    7.439133]  do_setlink.isra.0+0x3a2/0x1500
[    7.439157]  ? alloc_pages_mpol+0x48/0xf0
[    7.439182]  ? __pte_offset_map+0x1b/0x90
[    7.439207]  ? walk_pte_range_inner+0x48/0xd0
[    7.439236]  ? __nla_validate_parse+0x76/0xf20
[    7.439266]  ? __alloc_frozen_pages_noprof+0x1c8/0x1570
[    7.439296]  ? guard_install_pmd_entry+0x10/0x10
[    7.439324]  rtnl_newlink+0xa02/0xd10
[    7.439345]  ? idr_replace+0x9f/0xb0
[    7.439368]  ? cpu_util.constprop.0+0x75/0xe0
[    7.439399]  ? sched_balance_find_dst_group+0x269/0x810
[    7.439427]  ? file_ns_capable+0x19/0x30
[    7.439450]  ? netlink_net_capable+0x48/0x70
[    7.439485]  ? ns_capable+0x2e/0x50
[    7.439507]  ? rtnetlink_rcv_msg+0x2dd/0x3f0
[    7.439536]  ? rtnl_calcit.isra.0+0x160/0x160
[    7.439563]  netlink_rcv_skb+0xca/0x140
[    7.439588]  netlink_unicast+0x26b/0x3a0
[    7.439610]  netlink_sendmsg+0x1e2/0x430
[    7.439633]  __sys_sendto+0x194/0x220
[    7.439656]  __x64_sys_sendto+0x24/0x30
[    7.439683]  do_syscall_64+0x104/0xfc0
[    7.439706]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.439734] RIP: 0033:0x7f562f7f5e32
[    7.439756] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
[    7.439854] RSP: 002b:00007ffec80fc8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    7.439896] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f562f7f5e32
[    7.439941] RDX: 0000000000000020 RSI: 00007ffec80fc920 RDI: 0000000000000009
[    7.439983] RBP: 00007ffec80fc8d0 R08: 0000000000000000 R09: 0000000000000000
[    7.440027] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000036d97274
[    7.440065] R13: 0100000000000000 R14: 00000100b80d0120 R15: 0100000000000000
[    7.440105]  </TASK>
[    7.440117] ---[ end trace 0000000000000000 ]---
[    7.440169] ------------[ cut here ]------------
[    7.440199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u17:0/36
[    7.440259] CPU: 3 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.440316] Tainted: [W]=WARN
[    7.440340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.440377] Workqueue: events_unbound linkwatch_event
[    7.440408] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.440436] 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 ac fb ff b9 a6 ff ff
[    7.440535] RSP: 0018:ff4230410014bd50 EFLAGS: 00010286
[    7.440562] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    7.440601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.440647] RBP: 0000000000000000 R08: ff1e72ef018ac650 R09: ff1e72ef04b45034
[    7.440688] R10: ff1e72ef07695120 R11: fefefefefefefeff R12: 0000000000000000
[    7.440728] R13: 0000000000000010 R14: ff1e72ef07695000 R15: ff1e72ef01df0200
[    7.440773] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.440815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.440851] CR2: 00007f5628001908 CR3: 0000000006fef003 CR4: 0000000000771ef0
[    7.440892] PKRU: 55555554
[    7.440910] Call Trace:
[    7.440927]  <TASK>
[    7.440943]  rtmsg_ifinfo+0x3c/0xa0
[    7.440971]  netif_state_change+0x99/0xf0
[    7.440994]  ? linkwatch_do_dev+0x4c/0x60
[    7.441017]  __linkwatch_run_queue+0x133/0x270
[    7.441045]  linkwatch_event+0x31/0x40
[    7.441067]  process_one_work+0x162/0x360
[    7.441090]  worker_thread+0x16e/0x2d0
[    7.441113]  ? rescuer_thread+0x510/0x510
[    7.441133]  kthread+0xe1/0x120
[    7.441153]  ? kthread_park+0xa0/0xa0
[    7.441178]  ret_from_fork+0x16d/0x250
[    7.441201]  ? kthread_park+0xa0/0xa0
[    7.441224]  ret_from_fork_asm+0x11/0x20
[    7.441251]  </TASK>
[    7.441266] ---[ end trace 0000000000000000 ]---
[    7.457891] ------------[ cut here ]------------
[    7.457983] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.458079] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.458176] Tainted: [W]=WARN
[    7.458236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.458312] Workqueue: netns cleanup_net
[    7.458374] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.458443] 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 ac fb ff b9 a6 ff ff
[    7.458583] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[    7.458651] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.458730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.458812] RBP: 0000000000000000 R08: ff1e72ef05d48e50 R09: ff1e72ef06fae830
[    7.458896] R10: ff1e72ef04b1b120 R11: fefefefefefefeff R12: 0000000000000000
[    7.458992] R13: 0000000000000011 R14: ff1e72ef04b1b000 R15: ff1e72ef01df0300
[    7.459080] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.459158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.459228] CR2: 00007efc9ea86000 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.459308] PKRU: 55555554
[    7.459356] Call Trace:
[    7.459405]  <TASK>
[    7.459454]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.459528]  ops_undo_list+0x20a/0x240
[    7.459587]  cleanup_net+0x1d7/0x2e0
[    7.459645]  process_one_work+0x162/0x360
[    7.459712]  worker_thread+0x16e/0x2d0
[    7.459776]  ? rescuer_thread+0x510/0x510
[    7.459839]  kthread+0xe1/0x120
[    7.459912]  ? kthread_park+0xa0/0xa0
[    7.459980]  ret_from_fork+0x16d/0x250
[    7.460042]  ? kthread_park+0xa0/0xa0
[    7.460105]  ret_from_fork_asm+0x11/0x20
[    7.460168]  </TASK>
[    7.460219] ---[ end trace 0000000000000000 ]---
[    7.466901] ------------[ cut here ]------------
[    7.466979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[    7.467074] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.467171] Tainted: [W]=WARN
[    7.467233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.467306] Workqueue: netns cleanup_net
[    7.467370] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.467439] 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 ac fb ff b9 a6 ff ff
[    7.467566] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.467634] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.467876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0300
[    7.467956] RBP: 0000000000000000 R08: ff1e72ef05d48610 R09: ff1e72ef0325a02c
[    7.468037] R10: ff1e72ef04b19120 R11: fefefefefefefeff R12: 0000000000000000
[    7.468116] R13: 0000000000000011 R14: ff1e72ef04b19000 R15: ff1e72ef01df0300
[    7.468199] FS:  0000000000000000(0000) GS:ff1e72ef9f149000(0000) knlGS:0000000000000000
[    7.468278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.468354] CR2: 00007efc9ea86000 CR3: 0000000004ada005 CR4: 0000000000771ef0
[    7.468436] PKRU: 55555554
[    7.468497] Call Trace:
[    7.468585]  <TASK>
[    7.468657]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.468727]  default_device_exit_batch+0x318/0x390
[    7.468801]  ops_undo_list+0x10b/0x240
[    7.468873]  cleanup_net+0x1d7/0x2e0
[    7.468937]  process_one_work+0x162/0x360
[    7.469001]  worker_thread+0x16e/0x2d0
[    7.469063]  ? rescuer_thread+0x510/0x510
[    7.469125]  kthread+0xe1/0x120
[    7.469189]  ? kthread_park+0xa0/0xa0
[    7.469253]  ret_from_fork+0x16d/0x250
[    7.469316]  ? kthread_park+0xa0/0xa0
[    7.469378]  ret_from_fork_asm+0x11/0x20
[    7.469443]  </TASK>
[    7.469500] ---[ end trace 0000000000000000 ]---
[    7.511858] ------------[ cut here ]------------
[    7.511908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.511981] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.512046] Tainted: [W]=WARN
[    7.512066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.512095] Workqueue: netns cleanup_net
[    7.512122] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.512148] 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 ac fb ff b9 a6 ff ff
[    7.512250] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[    7.512276] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.512320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.512355] RBP: 0000000000000000 R08: ff1e72ef0725bc10 R09: ff1e72ef0496b830
[    7.512405] R10: ff1e72ef04966120 R11: fefefefefefefeff R12: 0000000000000000
[    7.512451] R13: 0000000000000011 R14: ff1e72ef04966000 R15: ff1e72ef01df0200
[    7.512501] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.512547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.512583] CR2: 00007f562f894720 CR3: 0000000017443005 CR4: 0000000000771ef0
[    7.512624] PKRU: 55555554
[    7.512639] Call Trace:
[    7.512652]  <TASK>
[    7.512667]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.512692]  ops_undo_list+0x20a/0x240
[    7.512716]  cleanup_net+0x1d7/0x2e0
[    7.512738]  process_one_work+0x162/0x360
[    7.512757]  worker_thread+0x16e/0x2d0
[    7.512780]  ? rescuer_thread+0x510/0x510
[    7.512802]  kthread+0xe1/0x120
[    7.512822]  ? kthread_park+0xa0/0xa0
[    7.512851]  ret_from_fork+0x16d/0x250
[    7.512873]  ? kthread_park+0xa0/0xa0
[    7.512895]  ret_from_fork_asm+0x11/0x20
[    7.512917]  </TASK>
[    7.512933] ---[ end trace 0000000000000000 ]---
[    7.522883] ------------[ cut here ]------------
[    7.522923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.522984] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.523045] Tainted: [W]=WARN
[    7.523065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.523103] Workqueue: netns cleanup_net
[    7.523127] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.523155] 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 ac fb ff b9 a6 ff ff
[    7.523251] RSP: 0018:ff4230410023fc08 EFLAGS: 00010286
[    7.523282] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    7.523324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.523370] RBP: 0000000000000000 R08: ff1e72ef018ac750 R09: ff1e72ef04966034
[    7.523405] R10: ff1e72ef07696120 R11: fefefefefefefeff R12: 0000000000000000
[    7.523446] R13: 0000000000000010 R14: ff1e72ef07696000 R15: ff1e72ef01df0200
[    7.523494] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.523537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.523573] CR2: 000055676191d2b8 CR3: 0000000002eba001 CR4: 0000000000771ef0
[    7.523609] PKRU: 55555554
[    7.523623] Call Trace:
[    7.523637]  <TASK>
[    7.523654]  rtmsg_ifinfo+0x3c/0xa0
[    7.523677]  netif_close_many+0xed/0x190
[    7.523698]  unregister_netdevice_many_notify+0x267/0x9d0
[    7.523727]  ? unregister_netdevice_queue+0x27/0xd0
[    7.523755]  ? xas_load+0x9/0xa0
[    7.523778]  default_device_exit_batch+0x318/0x390
[    7.523807]  ops_undo_list+0x10b/0x240
[    7.523833]  cleanup_net+0x1d7/0x2e0
[    7.523860]  process_one_work+0x162/0x360
[    7.523882]  worker_thread+0x16e/0x2d0
[    7.523905]  ? rescuer_thread+0x510/0x510
[    7.523930]  kthread+0xe1/0x120
[    7.523949]  ? kthread_park+0xa0/0xa0
[    7.523970]  ret_from_fork+0x16d/0x250
[    7.523993]  ? kthread_park+0xa0/0xa0
[    7.524016]  ret_from_fork_asm+0x11/0x20
[    7.524038]  </TASK>
[    7.524050] ---[ end trace 0000000000000000 ]---
[    7.524096] ------------[ cut here ]------------
[    7.524123] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.524177] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.524235] Tainted: [W]=WARN
[    7.524256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.524285] Workqueue: netns cleanup_net
[    7.524308] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.524339] 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 ac fb ff b9 a6 ff ff
[    7.524438] RSP: 0018:ff4230410023fc08 EFLAGS: 00010286
[    7.524462] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    7.524510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.524552] RBP: 0000000000000000 R08: ff1e72ef018ac650 R09: ff1e72ef04966034
[    7.524595] R10: ff1e72ef07695120 R11: fefefefefefefeff R12: 0000000000000000
[    7.524635] R13: 0000000000000010 R14: ff1e72ef07695000 R15: ff1e72ef01df0200
[    7.524679] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.524724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.524753] CR2: 000055676191d2b8 CR3: 0000000002eba001 CR4: 0000000000771ef0
[    7.524804] PKRU: 55555554
[    7.524816] Call Trace:
[    7.524830]  <TASK>
[    7.524844]  rtmsg_ifinfo+0x3c/0xa0
[    7.524868]  netif_close_many+0xed/0x190
[    7.524891]  unregister_netdevice_many_notify+0x267/0x9d0
[    7.524921]  ? unregister_netdevice_queue+0x27/0xd0
[    7.524949]  ? xas_load+0x9/0xa0
[    7.524975]  default_device_exit_batch+0x318/0x390
[    7.525006]  ops_undo_list+0x10b/0x240
[    7.525030]  cleanup_net+0x1d7/0x2e0
[    7.525051]  process_one_work+0x162/0x360
[    7.525075]  worker_thread+0x16e/0x2d0
[    7.525097]  ? rescuer_thread+0x510/0x510
[    7.525117]  kthread+0xe1/0x120
[    7.525136]  ? kthread_park+0xa0/0xa0
[    7.525157]  ret_from_fork+0x16d/0x250
[    7.525180]  ? kthread_park+0xa0/0xa0
[    7.525202]  ret_from_fork_asm+0x11/0x20
[    7.525222]  </TASK>
[    7.525238] ---[ end trace 0000000000000000 ]---
[    7.525309] ------------[ cut here ]------------
[    7.525337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.525392] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.525436] Tainted: [W]=WARN
[    7.525455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.525497] Workqueue: netns cleanup_net
[    7.525520] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.525549] 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 ac fb ff b9 a6 ff ff
[    7.525649] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.525677] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.525718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.525761] RBP: 0000000000000000 R08: ff1e72ef018ac750 R09: ff1e72ef076a3834
[    7.525803] R10: ff1e72ef07696120 R11: fefefefefefefeff R12: 0000000000000000
[    7.525845] R13: 0000000000000011 R14: ff1e72ef07696000 R15: ff1e72ef01df0200
[    7.525896] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.525939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.525975] CR2: 000055676191d2b8 CR3: 0000000002eba001 CR4: 0000000000771ef0
[    7.526016] PKRU: 55555554
[    7.526030] Call Trace:
[    7.526044]  <TASK>
[    7.526059]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.526086]  default_device_exit_batch+0x318/0x390
[    7.526114]  ops_undo_list+0x10b/0x240
[    7.526135]  cleanup_net+0x1d7/0x2e0
[    7.526158]  process_one_work+0x162/0x360
[    7.526177]  worker_thread+0x16e/0x2d0
[    7.526197]  ? rescuer_thread+0x510/0x510
[    7.526218]  kthread+0xe1/0x120
[    7.526238]  ? kthread_park+0xa0/0xa0
[    7.526258]  ret_from_fork+0x16d/0x250
[    7.526280]  ? kthread_park+0xa0/0xa0
[    7.526302]  ret_from_fork_asm+0x11/0x20
[    7.526325]  </TASK>
[    7.526338] ---[ end trace 0000000000000000 ]---
[    7.526409] ------------[ cut here ]------------
[    7.526435] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.526493] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.526548] Tainted: [W]=WARN
[    7.526571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.526609] Workqueue: netns cleanup_net
[    7.526634] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.526666] 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 ac fb ff b9 a6 ff ff
[    7.526765] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.526796] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.526840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.526881] RBP: 0000000000000000 R08: ff1e72ef018ac650 R09: ff1e72ef07459834
[    7.526923] R10: ff1e72ef07695120 R11: fefefefefefefeff R12: 0000000000000000
[    7.526965] R13: 0000000000000011 R14: ff1e72ef07695000 R15: ff1e72ef01df0200
[    7.527008] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.527052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.527086] CR2: 000055676191d2b8 CR3: 0000000002eba001 CR4: 0000000000771ef0
[    7.527127] PKRU: 55555554
[    7.527142] Call Trace:
[    7.527155]  <TASK>
[    7.527168]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.527196]  default_device_exit_batch+0x318/0x390
[    7.527224]  ops_undo_list+0x10b/0x240
[    7.527246]  cleanup_net+0x1d7/0x2e0
[    7.527269]  process_one_work+0x162/0x360
[    7.527289]  worker_thread+0x16e/0x2d0
[    7.527309]  ? rescuer_thread+0x510/0x510
[    7.527328]  kthread+0xe1/0x120
[    7.527348]  ? kthread_park+0xa0/0xa0
[    7.527369]  ret_from_fork+0x16d/0x250
[    7.527393]  ? kthread_park+0xa0/0xa0
[    7.527415]  ret_from_fork_asm+0x11/0x20
[    7.527438]  </TASK>
[    7.527450] ---[ end trace 0000000000000000 ]---
[    7.527522] ------------[ cut here ]------------
[    7.527550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    7.527608] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.527666] Tainted: [W]=WARN
[    7.527689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.527727] Workqueue: netns cleanup_net
[    7.527747] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.527779] 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 ac fb ff b9 a6 ff ff
[    7.527877] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[    7.527906] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.527953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef01df0200
[    7.527991] RBP: 0000000000000000 R08: ff1e72ef0725ba50 R09: ff1e72ef019b282c
[    7.528033] R10: ff1e72ef07002120 R11: fefefefefefefeff R12: 0000000000000000
[    7.528072] R13: 0000000000000011 R14: ff1e72ef07002000 R15: ff1e72ef01df0200
[    7.528116] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[    7.528162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.528195] CR2: 000055676191d2b8 CR3: 0000000002eba001 CR4: 0000000000771ef0
[    7.528236] PKRU: 55555554
[    7.528251] Call Trace:
[    7.528265]  <TASK>
[    7.528280]  unregister_netdevice_many_notify+0x877/0x9d0
[    7.528308]  default_device_exit_batch+0x318/0x390
[    7.528337]  ops_undo_list+0x10b/0x240
[    7.528359]  cleanup_net+0x1d7/0x2e0
[    7.528380]  process_one_work+0x162/0x360
[    7.528402]  worker_thread+0x16e/0x2d0
[    7.528422]  ? rescuer_thread+0x510/0x510
[    7.528447]  kthread+0xe1/0x120
[    7.528467]  ? kthread_park+0xa0/0xa0
[    7.528494]  ret_from_fork+0x16d/0x250
[    7.528515]  ? kthread_park+0xa0/0xa0
[    7.528538]  ret_from_fork_asm+0x11/0x20
[    7.528558]  </TASK>
[    7.528575] ---[ end trace 0000000000000000 ]---