[    2.241144] ------------[ cut here ]------------
[    2.241183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/165
[    2.241236] Modules linked in: netdevsim
[    2.241268] CPU: 3 UID: 0 PID: 165 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.241341] Tainted: [W]=WARN
[    2.241356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.241390] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.241429] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.241490] RSP: 0018:ff6796b0802e3cc8 EFLAGS: 00010286
[    2.241521] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.241549] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c1d69000
[    2.241588] RBP: 0000000000000000 R08: ff366b48c3562150 R09: ff366b48c4e7d02c
[    2.241619] R10: ff366b48c4e78118 R11: fefefefefefefeff R12: 0000000000000000
[    2.241657] R13: 0000000000000010 R14: ff366b48c4e78000 R15: ff366b48c1d69000
[    2.241689] FS:  00007f2837a33840(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.241736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.241770] CR2: 0000000000479648 CR3: 000000000372d004 CR4: 0000000000771ef0
[    2.241799] PKRU: 55555554
[    2.241811] Call Trace:
[    2.241832]  <TASK>
[    2.241849]  rtmsg_ifinfo+0x3c/0xa0
[    2.241873]  register_netdevice+0x8e1/0xa70
[    2.241906]  register_netdev+0x1e/0x30
[    2.241939]  loopback_net_init+0x57/0xb0
[    2.241956]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.241984]  ops_init+0x68/0x140
[    2.242003]  setup_net+0x85/0x150
[    2.242027]  copy_net_ns+0xf5/0x200
[    2.242052]  create_new_namespaces+0x117/0x2f0
[    2.242084]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.242112]  ksys_unshare+0x346/0x5e0
[    2.242132]  __x64_sys_unshare+0x12/0x20
[    2.242147]  do_syscall_64+0x104/0xfc0
[    2.242170]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.242198] RIP: 0033:0x7f2837cf5bcb
[    2.242214] 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
[    2.242295] RSP: 002b:00007fffe3b2e888 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.242346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2837cf5bcb
[    2.242373] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.242411] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.242434] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe3b30ab0
[    2.242474] R13: 0000000000000001 R14: 00007f2837a336f8 R15: 00007fffe3b31847
[    2.242500]  </TASK>
[    2.242510] ---[ end trace 0000000000000000 ]---
[    2.245376] ------------[ cut here ]------------
[    2.245405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/166
[    2.245452] Modules linked in: netdevsim
[    2.245476] CPU: 0 UID: 0 PID: 166 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.245534] Tainted: [W]=WARN
[    2.245557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.245580] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.245607] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.245676] RSP: 0018:ff6796b0802e3720 EFLAGS: 00010286
[    2.245709] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.245738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c18d3100
[    2.245777] RBP: 0000000000000000 R08: ff366b48c3562150 R09: ff366b48c113802c
[    2.245806] R10: ff366b48c4e78118 R11: fefefefefefefeff R12: 0000000000000000
[    2.245845] R13: 0000000000000010 R14: ff366b48c4e78000 R15: ff366b48c18d3100
[    2.245874] FS:  00007f5c4b6a3840(0000) GS:ff366b494905a000(0000) knlGS:0000000000000000
[    2.245921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.245950] CR2: 000000002953c988 CR3: 0000000004e4f003 CR4: 0000000000771ef0
[    2.245992] PKRU: 55555554
[    2.246004] Call Trace:
[    2.246015]  <TASK>
[    2.246026]  rtmsg_ifinfo+0x3c/0xa0
[    2.246065]  __dev_notify_flags+0xb1/0xf0
[    2.246085]  ? rtnl_getlink+0x456/0x5e0
[    2.246111]  netif_change_flags+0x54/0x70
[    2.246130]  do_setlink.isra.0+0x390/0x1570
[    2.246153]  ? __nla_validate_parse+0x76/0xf20
[    2.246184]  rtnl_newlink+0x9c7/0xe10
[    2.246212]  ? kmalloc_reserve+0xa9/0x170
[    2.246231]  ? do_setlink.isra.0+0x1570/0x1570
[    2.246251]  rtnetlink_rcv_msg+0x39f/0x460
[    2.246279]  ? netlink_unicast+0x306/0x3a0
[    2.246301]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.246334]  netlink_rcv_skb+0xca/0x140
[    2.246356]  netlink_unicast+0x26b/0x3a0
[    2.246383]  netlink_sendmsg+0x1e2/0x430
[    2.246411]  ____sys_sendmsg+0x14c/0x2b0
[    2.246430]  ___sys_sendmsg+0xe1/0x120
[    2.246456]  __sys_sendmsg+0xad/0x100
[    2.246481]  do_syscall_64+0x104/0xfc0
[    2.246509]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.246534] RIP: 0033:0x7f5c4b8dd08e
[    2.246559] 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
[    2.246635] RSP: 002b:00007ffce82207b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.246683] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c4b8dd08e
[    2.246714] RDX: 0000000000000000 RSI: 00007ffce8220860 RDI: 0000000000000005
[    2.246753] RBP: 00007ffce82207c0 R08: 0000000000000000 R09: 0000000000000000
[    2.246799] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d0f4
[    2.246829] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8220f30
[    2.246867]  </TASK>
[    2.246875] ---[ end trace 0000000000000000 ]---
[    2.254870] ------------[ cut here ]------------
[    2.254908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.254979] Modules linked in: netdevsim
[    2.255010] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.255069] Tainted: [W]=WARN
[    2.255085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.255124] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.255146] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.255234] RSP: 0018:ff6796b0803bf9d0 EFLAGS: 00010286
[    2.255261] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.255313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c1d68800
[    2.255342] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c4eb3030
[    2.255374] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: 0000000000000000
[    2.255397] R13: 0000000000000010 R14: ff366b48c4eae000 R15: ff366b48c1d68800
[    2.255442] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.255470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.255505] CR2: 0000563e33d648e0 CR3: 0000000004c60005 CR4: 0000000000771ef0
[    2.255532] PKRU: 55555554
[    2.255541] Call Trace:
[    2.255559]  <TASK>
[    2.255575]  rtmsg_ifinfo+0x3c/0xa0
[    2.255591]  register_netdevice+0x8e1/0xa70
[    2.255617]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.255639]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.255666]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.255694]  really_probe+0xc9/0x290
[    2.255723]  ? driver_probe_device+0xe0/0xe0
[    2.255748]  __driver_probe_device+0x8d/0x160
[    2.255776]  driver_probe_device+0x1f/0xe0
[    2.255798]  __device_attach_driver+0x71/0x100
[    2.255820]  bus_for_each_drv+0x9d/0x100
[    2.255844]  __device_attach+0xb0/0x1b0
[    2.255869]  device_initial_probe+0x4a/0x70
[    2.255899]  bus_probe_device+0x3c/0xb0
[    2.255925]  device_add+0x675/0x8a0
[    2.255947]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.255985]  kernfs_fop_write_iter+0x151/0x200
[    2.256019]  vfs_write+0x257/0x5c0
[    2.256041]  ksys_write+0x7b/0x110
[    2.256068]  do_syscall_64+0x104/0xfc0
[    2.256096]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.256121] RIP: 0033:0x7f64c520f08e
[    2.256140] 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
[    2.256215] RSP: 002b:00007ffd7556d5f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.256270] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.256298] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.256344] RBP: 00007ffd7556d600 R08: 0000000000000000 R09: 0000000000000000
[    2.256371] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.256409] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.256442]  </TASK>
[    2.256451] ---[ end trace 0000000000000000 ]---
[    2.256703] ------------[ cut here ]------------
[    2.256750] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.256794] Modules linked in: netdevsim
[    2.256812] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.256869] Tainted: [W]=WARN
[    2.256886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.256927] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.256956] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.257021] RSP: 0018:ff6796b0803bf9d0 EFLAGS: 00010286
[    2.257040] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.257081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c1d68200
[    2.257122] RBP: 0000000000000000 R08: ff366b48c35620d0 R09: ff366b48c4eb1030
[    2.257148] R10: ff366b48c4eaa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.257187] R13: 0000000000000010 R14: ff366b48c4eaa000 R15: ff366b48c1d68200
[    2.257219] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.257263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.257303] CR2: 0000563e33d648e0 CR3: 0000000004c60005 CR4: 0000000000771ef0
[    2.257340] PKRU: 55555554
[    2.257350] Call Trace:
[    2.257367]  <TASK>
[    2.257387]  rtmsg_ifinfo+0x3c/0xa0
[    2.257412]  register_netdevice+0x8e1/0xa70
[    2.257428]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.257460]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.257479]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.257516]  really_probe+0xc9/0x290
[    2.257534]  ? driver_probe_device+0xe0/0xe0
[    2.257560]  __driver_probe_device+0x8d/0x160
[    2.257601]  driver_probe_device+0x1f/0xe0
[    2.257620]  __device_attach_driver+0x71/0x100
[    2.257649]  bus_for_each_drv+0x9d/0x100
[    2.257668]  __device_attach+0xb0/0x1b0
[    2.257688]  device_initial_probe+0x4a/0x70
[    2.257716]  bus_probe_device+0x3c/0xb0
[    2.257731]  device_add+0x675/0x8a0
[    2.257751]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.257776]  kernfs_fop_write_iter+0x151/0x200
[    2.257818]  vfs_write+0x257/0x5c0
[    2.257845]  ksys_write+0x7b/0x110
[    2.257887]  do_syscall_64+0x104/0xfc0
[    2.257900]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.257931] RIP: 0033:0x7f64c520f08e
[    2.257944] 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
[    2.258025] RSP: 002b:00007ffd7556d620 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.258057] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.258085] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.258123] RBP: 00007ffd7556d630 R08: 0000000000000000 R09: 0000000000000000
[    2.258154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.258192] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.258219]  </TASK>
[    2.258228] ---[ end trace 0000000000000000 ]---
[    2.292893] ------------[ cut here ]------------
[    2.292925] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
[    2.292984] Modules linked in: netdevsim
[    2.293010] CPU: 0 UID: 0 PID: 182 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.293058] Tainted: [W]=WARN
[    2.293074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.293107] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.293145] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.293208] RSP: 0018:ff6796b0803476d8 EFLAGS: 00010286
[    2.293234] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.293288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c18d4700
[    2.293323] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c4ea5830
[    2.293355] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: ff6796b08034778c
[    2.293385] R13: 0000000000000011 R14: ff366b48c4eae000 R15: ff366b48c18d4700
[    2.293426] FS:  00007f88f8523840(0000) GS:ff366b494905a000(0000) knlGS:0000000000000000
[    2.293456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.293495] CR2: 0000000026b8c988 CR3: 0000000004e89006 CR4: 0000000000771ef0
[    2.293523] PKRU: 55555554
[    2.293540] Call Trace:
[    2.293561]  <TASK>
[    2.293573]  rtmsg_ifinfo_newnet+0x33/0x70
[    2.293586]  __dev_change_net_namespace+0x407/0xc50
[    2.293619]  ? rtnl_getlink+0x459/0x5e0
[    2.293637]  do_setlink.isra.0+0xd7/0x1570
[    2.293657]  ? __nla_validate_parse+0x76/0xf20
[    2.293690]  rtnl_newlink+0x9c7/0xe10
[    2.293713]  ? kmalloc_reserve+0xa9/0x170
[    2.293740]  ? do_setlink.isra.0+0x1570/0x1570
[    2.293773]  rtnetlink_rcv_msg+0x39f/0x460
[    2.293789]  ? netlink_unicast+0x306/0x3a0
[    2.293812]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.293843]  netlink_rcv_skb+0xca/0x140
[    2.293872]  netlink_unicast+0x26b/0x3a0
[    2.293895]  netlink_sendmsg+0x1e2/0x430
[    2.293931]  ____sys_sendmsg+0x14c/0x2b0
[    2.293961]  ___sys_sendmsg+0xe1/0x120
[    2.293982]  __sys_sendmsg+0xad/0x100
[    2.294010]  do_syscall_64+0x104/0xfc0
[    2.294033]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.294053] RIP: 0033:0x7f88f875d08e
[    2.294080] 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
[    2.294143] RSP: 002b:00007ffe7dc88bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.294186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88f875d08e
[    2.294216] RDX: 0000000000000000 RSI: 00007ffe7dc88c70 RDI: 0000000000000005
[    2.294250] RBP: 00007ffe7dc88bd0 R08: 0000000000000000 R09: 0000000000000000
[    2.294281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d0f4
[    2.294327] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7dc89330
[    2.294357]  </TASK>
[    2.294368] ---[ end trace 0000000000000000 ]---
[    2.294442] ------------[ cut here ]------------
[    2.294490] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
[    2.294533] Modules linked in: netdevsim
[    2.294554] CPU: 0 UID: 0 PID: 182 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.294602] Tainted: [W]=WARN
[    2.294623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.294653] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.294680] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.294751] RSP: 0018:ff6796b0803476c8 EFLAGS: 00010286
[    2.294769] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.294809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c18ded00
[    2.294851] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c35bb030
[    2.294877] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: 0000000000000000
[    2.294922] R13: 0000000000000010 R14: ff366b48c4eae000 R15: ff366b48c18ded00
[    2.294966] FS:  00007f88f8523840(0000) GS:ff366b494905a000(0000) knlGS:0000000000000000
[    2.295002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.295041] CR2: 0000000026b8c988 CR3: 0000000004e89006 CR4: 0000000000771ef0
[    2.295073] PKRU: 55555554
[    2.295088] Call Trace:
[    2.295104]  <TASK>
[    2.295116]  rtmsg_ifinfo+0x3c/0xa0
[    2.295139]  __dev_change_net_namespace+0x22e/0xc50
[    2.295170]  ? rtnl_getlink+0x459/0x5e0
[    2.295194]  do_setlink.isra.0+0xd7/0x1570
[    2.295221]  ? __nla_validate_parse+0x76/0xf20
[    2.295255]  rtnl_newlink+0x9c7/0xe10
[    2.295271]  ? kmalloc_reserve+0xa9/0x170
[    2.295287]  ? do_setlink.isra.0+0x1570/0x1570
[    2.295330]  rtnetlink_rcv_msg+0x39f/0x460
[    2.295349]  ? netlink_unicast+0x306/0x3a0
[    2.295371]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.295393]  netlink_rcv_skb+0xca/0x140
[    2.295421]  netlink_unicast+0x26b/0x3a0
[    2.295440]  netlink_sendmsg+0x1e2/0x430
[    2.295461]  ____sys_sendmsg+0x14c/0x2b0
[    2.295473]  ___sys_sendmsg+0xe1/0x120
[    2.295502]  __sys_sendmsg+0xad/0x100
[    2.295524]  do_syscall_64+0x104/0xfc0
[    2.295543]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.295569] RIP: 0033:0x7f88f875d08e
[    2.295592] 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
[    2.295666] RSP: 002b:00007ffe7dc88bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.295698] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88f875d08e
[    2.295725] RDX: 0000000000000000 RSI: 00007ffe7dc88c70 RDI: 0000000000000005
[    2.295766] RBP: 00007ffe7dc88bd0 R08: 0000000000000000 R09: 0000000000000000
[    2.295796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d0f4
[    2.295852] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7dc89330
[    2.295889]  </TASK>
[    2.295913] ---[ end trace 0000000000000000 ]---
[    2.306145] ------------[ cut here ]------------
[    2.306201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/184
[    2.306284] Modules linked in: netdevsim
[    2.306329] CPU: 2 UID: 0 PID: 184 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.306391] Tainted: [W]=WARN
[    2.306427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.306480] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.306522] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.306605] RSP: 0018:ff6796b080357720 EFLAGS: 00010286
[    2.306675] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.306751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416100
[    2.306828] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c2ea5030
[    2.306914] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: 0000000000000000
[    2.306962] R13: 0000000000000010 R14: ff366b48c4eae000 R15: ff366b48c3416100
[    2.307038] FS:  00007f12df414840(0000) GS:ff366b494915a000(0000) knlGS:0000000000000000
[    2.307067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.307116] CR2: 000000003ff2a988 CR3: 0000000004e8b003 CR4: 0000000000771ef0
[    2.307164] PKRU: 55555554
[    2.307206] Call Trace:
[    2.307238]  <TASK>
[    2.307254]  rtmsg_ifinfo+0x3c/0xa0
[    2.307269]  __dev_notify_flags+0xb1/0xf0
[    2.307284]  ? rtnl_getlink+0x456/0x5e0
[    2.307355]  netif_change_flags+0x54/0x70
[    2.307401]  do_setlink.isra.0+0x390/0x1570
[    2.307440]  ? __nla_validate_parse+0x76/0xf20
[    2.307489]  rtnl_newlink+0x9c7/0xe10
[    2.307528]  ? kmalloc_reserve+0xa9/0x170
[    2.307593]  ? do_setlink.isra.0+0x1570/0x1570
[    2.307641]  rtnetlink_rcv_msg+0x39f/0x460
[    2.307680]  ? netlink_unicast+0x306/0x3a0
[    2.307745]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.307793]  netlink_rcv_skb+0xca/0x140
[    2.307832]  netlink_unicast+0x26b/0x3a0
[    2.307930]  netlink_sendmsg+0x1e2/0x430
[    2.307969]  ____sys_sendmsg+0x14c/0x2b0
[    2.308016]  ___sys_sendmsg+0xe1/0x120
[    2.308083]  __sys_sendmsg+0xad/0x100
[    2.308122]  do_syscall_64+0x104/0xfc0
[    2.308140]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.308192] RIP: 0033:0x7f12df64e08e
[    2.308259] 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
[    2.308369] RSP: 002b:00007ffe5fb74850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.308447] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f12df64e08e
[    2.308524] RDX: 0000000000000000 RSI: 00007ffe5fb74900 RDI: 0000000000000005
[    2.308600] RBP: 00007ffe5fb74860 R08: 0000000000000000 R09: 0000000000000000
[    2.308678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d0f4
[    2.308755] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5fb74fc0
[    2.308832]  </TASK>
[    2.308864] ---[ end trace 0000000000000000 ]---
[    2.314154] ------------[ cut here ]------------
[    2.314183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/187
[    2.314242] Modules linked in: netdevsim
[    2.314280] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.314351] Tainted: [W]=WARN
[    2.314388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.314435] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.314477] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.314559] RSP: 0018:ff6796b0803ff720 EFLAGS: 00010286
[    2.314631] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.314706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416b00
[    2.314783] RBP: 0000000000000000 R08: ff366b48c35620d0 R09: ff366b48c2ea5030
[    2.314859] R10: ff366b48c4eaa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.314940] R13: 0000000000000010 R14: ff366b48c4eaa000 R15: ff366b48c3416b00
[    2.315020] FS:  00007f345a86a840(0000) GS:ff366b494915a000(0000) knlGS:0000000000000000
[    2.315069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.315120] CR2: 000000000f064988 CR3: 0000000004db2006 CR4: 0000000000771ef0
[    2.315198] PKRU: 55555554
[    2.315230] Call Trace:
[    2.315240]  <TASK>
[    2.315277]  rtmsg_ifinfo+0x3c/0xa0
[    2.315320]  __dev_notify_flags+0xb1/0xf0
[    2.315338]  ? rtnl_getlink+0x456/0x5e0
[    2.315351]  netif_change_flags+0x54/0x70
[    2.315366]  do_setlink.isra.0+0x390/0x1570
[    2.315409]  ? __nla_validate_parse+0x76/0xf20
[    2.315481]  rtnl_newlink+0x9c7/0xe10
[    2.315520]  ? kmalloc_reserve+0xa9/0x170
[    2.315566]  ? do_setlink.isra.0+0x1570/0x1570
[    2.315608]  rtnetlink_rcv_msg+0x39f/0x460
[    2.315700]  ? netlink_unicast+0x306/0x3a0
[    2.315739]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.315836]  netlink_rcv_skb+0xca/0x140
[    2.315874]  netlink_unicast+0x26b/0x3a0
[    2.315898]  netlink_sendmsg+0x1e2/0x430
[    2.315942]  ____sys_sendmsg+0x14c/0x2b0
[    2.315981]  ___sys_sendmsg+0xe1/0x120
[    2.316046]  __sys_sendmsg+0xad/0x100
[    2.316098]  do_syscall_64+0x104/0xfc0
[    2.316136]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.316232] RIP: 0033:0x7f345aaa408e
[    2.316269] 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
[    2.316404] RSP: 002b:00007ffcfd7b7750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.316452] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f345aaa408e
[    2.316554] RDX: 0000000000000000 RSI: 00007ffcfd7b7800 RDI: 0000000000000005
[    2.316629] RBP: 00007ffcfd7b7760 R08: 0000000000000000 R09: 0000000000000000
[    2.316705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d0f4
[    2.316753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfd7b7ec0
[    2.316810]  </TASK>
[    2.316841] ---[ end trace 0000000000000000 ]---
[    2.363820] ------------[ cut here ]------------
[    2.363848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.363906] Modules linked in: netconsole netdevsim
[    2.363941] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.364002] Tainted: [W]=WARN
[    2.364023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.364054] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.364082] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.364148] RSP: 0018:ff6796b0803bfb18 EFLAGS: 00010286
[    2.364180] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.364229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416100
[    2.364263] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c2ea5030
[    2.364293] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: 0000000000000000
[    2.364340] R13: 0000000000000010 R14: ff366b48c4eae000 R15: ff366b48c3416100
[    2.364375] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.364423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.364465] CR2: 0000563e6d56e3ec CR3: 0000000004c60002 CR4: 0000000000771ef0
[    2.364494] PKRU: 55555554
[    2.364503] Call Trace:
[    2.364521]  <TASK>
[    2.364538]  rtmsg_ifinfo+0x3c/0xa0
[    2.364554]  netif_close_many+0xed/0x190
[    2.364574]  unregister_netdevice_many_notify+0x118/0xa40
[    2.364604]  ? __destroy_inode+0x1a/0xc0
[    2.364625]  unregister_netdevice_queue+0x9e/0xd0
[    2.364659]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.364692]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.364723]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.364751]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.364779]  device_release_driver_internal+0x19a/0x200
[    2.364803]  bus_remove_device+0xed/0x1b0
[    2.364825]  ? device_remove_attrs+0xb3/0x100
[    2.364857]  device_del+0x158/0x450
[    2.364890]  device_unregister+0x12/0x30
[    2.364928]  del_device_store+0x122/0x190 [netdevsim]
[    2.364950]  kernfs_fop_write_iter+0x151/0x200
[    2.364987]  vfs_write+0x257/0x5c0
[    2.365007]  ksys_write+0x7b/0x110
[    2.365033]  do_syscall_64+0x104/0xfc0
[    2.365053]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.365075] RIP: 0033:0x7f64c520f08e
[    2.365102] 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
[    2.365200] RSP: 002b:00007ffd7556ea80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.365247] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.365288] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.365331] RBP: 00007ffd7556ea90 R08: 0000000000000000 R09: 0000000000000000
[    2.365355] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.365394] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.365427]  </TASK>
[    2.365436] ---[ end trace 0000000000000000 ]---
[    2.365537] ------------[ cut here ]------------
[    2.365574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.365622] Modules linked in: netconsole netdevsim
[    2.365643] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.365687] Tainted: [W]=WARN
[    2.365706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.365746] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.365779] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.365859] RSP: 0018:ff6796b0803bfb88 EFLAGS: 00010286
[    2.365875] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.365914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416100
[    2.365955] RBP: 0000000000000000 R08: ff366b48c18f8410 R09: ff366b48c4df7830
[    2.365993] R10: ff366b48c4eae118 R11: fefefefefefefeff R12: 0000000000000000
[    2.366034] R13: 0000000000000011 R14: ff366b48c4eae000 R15: ff366b48c3416100
[    2.366067] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.366109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.366136] CR2: 0000563e6d56e3ec CR3: 0000000004c60002 CR4: 0000000000771ef0
[    2.366174] PKRU: 55555554
[    2.366184] Call Trace:
[    2.366202]  <TASK>
[    2.366218]  unregister_netdevice_many_notify+0x595/0xa40
[    2.366236]  unregister_netdevice_queue+0x9e/0xd0
[    2.366262]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.366291]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.366326]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.366349]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.366377]  device_release_driver_internal+0x19a/0x200
[    2.366406]  bus_remove_device+0xed/0x1b0
[    2.366437]  ? device_remove_attrs+0xb3/0x100
[    2.366475]  device_del+0x158/0x450
[    2.366494]  device_unregister+0x12/0x30
[    2.366524]  del_device_store+0x122/0x190 [netdevsim]
[    2.366565]  kernfs_fop_write_iter+0x151/0x200
[    2.366590]  vfs_write+0x257/0x5c0
[    2.366610]  ksys_write+0x7b/0x110
[    2.366629]  do_syscall_64+0x104/0xfc0
[    2.366651]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.366684] RIP: 0033:0x7f64c520f08e
[    2.366698] 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
[    2.366769] RSP: 002b:00007ffd7556ea80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.366810] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.366841] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.366880] RBP: 00007ffd7556ea90 R08: 0000000000000000 R09: 0000000000000000
[    2.366932] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.366960] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.367000]  </TASK>
[    2.367010] ---[ end trace 0000000000000000 ]---
[    2.400957] ------------[ cut here ]------------
[    2.400998] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.401040] Modules linked in: netconsole netdevsim
[    2.401068] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.401107] Tainted: [W]=WARN
[    2.401123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.401161] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.401181] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.401259] RSP: 0018:ff6796b0803bfb18 EFLAGS: 00010286
[    2.401275] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.401321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416100
[    2.401364] RBP: 0000000000000000 R08: ff366b48c35620d0 R09: ff366b48c4e7d030
[    2.401402] R10: ff366b48c4eaa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.401425] R13: 0000000000000010 R14: ff366b48c4eaa000 R15: ff366b48c3416100
[    2.401465] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.401495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.401531] CR2: 0000563e6d56e3ec CR3: 0000000004c60002 CR4: 0000000000771ef0
[    2.401559] PKRU: 55555554
[    2.401568] Call Trace:
[    2.401585]  <TASK>
[    2.401602]  rtmsg_ifinfo+0x3c/0xa0
[    2.401618]  netif_close_many+0xed/0x190
[    2.401644]  unregister_netdevice_many_notify+0x118/0xa40
[    2.401664]  ? __destroy_inode+0x1a/0xc0
[    2.401684]  unregister_netdevice_queue+0x9e/0xd0
[    2.401713]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.401729]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.401782]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.401807]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.401836]  device_release_driver_internal+0x19a/0x200
[    2.401856]  bus_remove_device+0xed/0x1b0
[    2.401879]  ? device_remove_attrs+0xb3/0x100
[    2.401921]  device_del+0x158/0x450
[    2.401937]  device_unregister+0x12/0x30
[    2.401958]  del_device_store+0x122/0x190 [netdevsim]
[    2.401995]  kernfs_fop_write_iter+0x151/0x200
[    2.402015]  vfs_write+0x257/0x5c0
[    2.402040]  ksys_write+0x7b/0x110
[    2.402065]  do_syscall_64+0x104/0xfc0
[    2.402085]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.402109] RIP: 0033:0x7f64c520f08e
[    2.402122] 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
[    2.402198] RSP: 002b:00007ffd7556eb80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.402235] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.402261] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.402300] RBP: 00007ffd7556eb90 R08: 0000000000000000 R09: 0000000000000000
[    2.402335] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.402373] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.402396]  </TASK>
[    2.402404] ---[ end trace 0000000000000000 ]---
[    2.402492] ------------[ cut here ]------------
[    2.402540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/148
[    2.402581] Modules linked in: netconsole netdevsim
[    2.402608] CPU: 3 UID: 0 PID: 148 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.402654] Tainted: [W]=WARN
[    2.402671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.402702] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.402728] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.402797] RSP: 0018:ff6796b0803bfb88 EFLAGS: 00010286
[    2.402815] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.402849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c3416100
[    2.402892] RBP: 0000000000000000 R08: ff366b48c35620d0 R09: ff366b48c4ea7830
[    2.402921] R10: ff366b48c4eaa118 R11: fefefefefefefeff R12: 0000000000000000
[    2.402960] R13: 0000000000000011 R14: ff366b48c4eaa000 R15: ff366b48c3416100
[    2.402987] FS:  00007f64c519db80(0000) GS:ff366b49491da000(0000) knlGS:0000000000000000
[    2.403040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.403075] CR2: 0000563e6d56e3ec CR3: 0000000004c60002 CR4: 0000000000771ef0
[    2.403104] PKRU: 55555554
[    2.403113] Call Trace:
[    2.403128]  <TASK>
[    2.403147]  unregister_netdevice_many_notify+0x595/0xa40
[    2.403169]  unregister_netdevice_queue+0x9e/0xd0
[    2.403189]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.403216]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.403244]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.403272]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.403300]  device_release_driver_internal+0x19a/0x200
[    2.403330]  bus_remove_device+0xed/0x1b0
[    2.403349]  ? device_remove_attrs+0xb3/0x100
[    2.403382]  device_del+0x158/0x450
[    2.403396]  device_unregister+0x12/0x30
[    2.403415]  del_device_store+0x122/0x190 [netdevsim]
[    2.403441]  kernfs_fop_write_iter+0x151/0x200
[    2.403468]  vfs_write+0x257/0x5c0
[    2.403492]  ksys_write+0x7b/0x110
[    2.403512]  do_syscall_64+0x104/0xfc0
[    2.403536]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.403561] RIP: 0033:0x7f64c520f08e
[    2.403586] 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
[    2.403642] RSP: 002b:00007ffd7556eb80 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.403677] RAX: ffffffffffffffda RBX: 00007f64c5391580 RCX: 00007f64c520f08e
[    2.403705] RDX: 0000000000000004 RSI: 0000563e6d5c1250 RDI: 0000000000000001
[    2.403744] RBP: 00007ffd7556eb90 R08: 0000000000000000 R09: 0000000000000000
[    2.403774] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.403806] R13: 0000000000000004 R14: 0000563e6d5c1250 R15: 0000000000000000
[    2.403836]  </TASK>
[    2.403845] ---[ end trace 0000000000000000 ]---
[    2.468246] ------------[ cut here ]------------
[    2.468278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/63
[    2.468343] Modules linked in: netdevsim [last unloaded: netconsole]
[    2.468390] CPU: 1 UID: 0 PID: 63 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.468438] Tainted: [W]=WARN
[    2.468449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.468486] Workqueue: netns cleanup_net
[    2.468514] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.468542] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.468617] RSP: 0018:ff6796b08022fc08 EFLAGS: 00010286
[    2.468645] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.468683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c18d4500
[    2.468723] RBP: 0000000000000000 R08: ff366b48c3562150 R09: ff366b48c1f8702c
[    2.468749] R10: ff366b48c4e78118 R11: fefefefefefefeff R12: 0000000000000000
[    2.468788] R13: 0000000000000010 R14: ff366b48c4e78000 R15: ff366b48c18d4500
[    2.468823] FS:  0000000000000000(0000) GS:ff366b49490da000(0000) knlGS:0000000000000000
[    2.468889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.468925] CR2: 0000563e33d63d5c CR3: 0000000039242004 CR4: 0000000000771ef0
[    2.468953] PKRU: 55555554
[    2.468969] Call Trace:
[    2.468988]  <TASK>
[    2.469007]  rtmsg_ifinfo+0x3c/0xa0
[    2.469031]  netif_close_many+0xed/0x190
[    2.469059]  unregister_netdevice_many_notify+0x215/0xa40
[    2.469090]  default_device_exit_batch+0x328/0x3a0
[    2.469111]  ops_undo_list+0x10b/0x240
[    2.469132]  cleanup_net+0x1d7/0x2e0
[    2.469146]  process_one_work+0x162/0x360
[    2.469173]  worker_thread+0x16e/0x2d0
[    2.469197]  ? rescuer_thread+0x510/0x510
[    2.469221]  kthread+0xe1/0x120
[    2.469262]  ? kthread_park+0xa0/0xa0
[    2.469281]  ret_from_fork+0x16d/0x250
[    2.469302]  ? kthread_park+0xa0/0xa0
[    2.469334]  ret_from_fork_asm+0x11/0x20
[    2.469356]  </TASK>
[    2.469374] ---[ end trace 0000000000000000 ]---
[    2.469468] ------------[ cut here ]------------
[    2.469510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/63
[    2.469563] Modules linked in: netdevsim [last unloaded: netconsole]
[    2.469607] CPU: 1 UID: 0 PID: 63 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.469644] Tainted: [W]=WARN
[    2.469671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.469699] Workqueue: netns cleanup_net
[    2.469724] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.469758] Code: 80 00 00 00 e8 09 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 56 a6 fb ff b9 a6 ff ff
[    2.469859] RSP: 0018:ff6796b08022fc78 EFLAGS: 00010286
[    2.469889] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.469918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff366b48c18d4500
[    2.469952] RBP: 0000000000000000 R08: ff366b48c3562150 R09: ff366b48c4ea182c
[    2.469993] R10: ff366b48c4e78118 R11: fefefefefefefeff R12: 0000000000000000
[    2.470036] R13: 0000000000000011 R14: ff366b48c4e78000 R15: ff366b48c18d4500
[    2.470078] FS:  0000000000000000(0000) GS:ff366b49490da000(0000) knlGS:0000000000000000
[    2.470110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.470150] CR2: 00007fbd88846680 CR3: 0000000004d75005 CR4: 0000000000771ef0
[    2.470177] PKRU: 55555554
[    2.470195] Call Trace:
[    2.470216]  <TASK>
[    2.470226]  unregister_netdevice_many_notify+0x595/0xa40
[    2.470246]  default_device_exit_batch+0x328/0x3a0
[    2.470279]  ops_undo_list+0x10b/0x240
[    2.470297]  cleanup_net+0x1d7/0x2e0
[    2.470328]  process_one_work+0x162/0x360
[    2.470354]  worker_thread+0x16e/0x2d0
[    2.470378]  ? rescuer_thread+0x510/0x510
[    2.470402]  kthread+0xe1/0x120
[    2.470430]  ? kthread_park+0xa0/0xa0
[    2.470454]  ret_from_fork+0x16d/0x250
[    2.470480]  ? kthread_park+0xa0/0xa0
[    2.470514]  ret_from_fork_asm+0x11/0x20
[    2.470532]  </TASK>
[    2.470541] ---[ end trace 0000000000000000 ]---