[    2.251987] ------------[ cut here ]------------
[    2.252080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/166
[    2.252171] Modules linked in: netdevsim
[    2.252231] CPU: 2 UID: 0 PID: 166 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.252322] Tainted: [W]=WARN
[    2.252377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.252446] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.252510] 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
[    2.252643] RSP: 0018:ff782846c02f3cc8 EFLAGS: 00010286
[    2.252706] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.252804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801934200
[    2.252884] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff49851806a5502c
[    2.252959] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000
[    2.253037] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801934200
[    2.253119] FS:  00007fc673af3840(0000) GS:ff498518a095a000(0000) knlGS:0000000000000000
[    2.253196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.253264] CR2: 0000000000479648 CR3: 000000000195b003 CR4: 0000000000771ef0
[    2.253343] PKRU: 55555554
[    2.253391] Call Trace:
[    2.253440]  <TASK>
[    2.253489]  rtmsg_ifinfo+0x3c/0xa0
[    2.253546]  register_netdevice+0x8e1/0xa70
[    2.253603]  register_netdev+0x1e/0x30
[    2.253659]  loopback_net_init+0x57/0xb0
[    2.253719]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.253802]  ops_init+0x68/0x140
[    2.253862]  setup_net+0x85/0x150
[    2.253919]  copy_net_ns+0xf5/0x200
[    2.253976]  create_new_namespaces+0x117/0x2f0
[    2.254041]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.254105]  ksys_unshare+0x346/0x5e0
[    2.254163]  __x64_sys_unshare+0x12/0x20
[    2.254220]  do_syscall_64+0x104/0xfc0
[    2.254278]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.254343] RIP: 0033:0x7fc673db5bcb
[    2.254399] 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
[    2.254528] RSP: 002b:00007fffd7ce5db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.254605] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc673db5bcb
[    2.254682] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.254764] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.254848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffd7ce7fe0
[    2.254924] R13: 0000000000000001 R14: 00007fc673af36f8 R15: 00007fffd7ce8845
[    2.255001]  </TASK>
[    2.255049] ---[ end trace 0000000000000000 ]---
[    2.258186] ------------[ cut here ]------------
[    2.258222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/167
[    2.258280] Modules linked in: netdevsim
[    2.258306] CPU: 0 UID: 0 PID: 167 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.258364] Tainted: [W]=WARN
[    2.258385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.258420] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.258446] 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
[    2.258544] RSP: 0018:ff782846c0293720 EFLAGS: 00010286
[    2.258574] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.258614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd7000
[    2.258656] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff4985180113802c
[    2.258696] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000
[    2.258748] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801cd7000
[    2.258792] FS:  00007f0fea6f4840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[    2.258844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.258879] CR2: 000000000ed17988 CR3: 0000000004ca2005 CR4: 0000000000771ef0
[    2.258925] PKRU: 55555554
[    2.258938] Call Trace:
[    2.258950]  <TASK>
[    2.258967]  rtmsg_ifinfo+0x3c/0xa0
[    2.258990]  __dev_notify_flags+0xb1/0xf0
[    2.259013]  ? rtnl_getlink+0x456/0x5e0
[    2.259036]  netif_change_flags+0x54/0x70
[    2.259059]  do_setlink.isra.0+0x390/0x1570
[    2.259081]  ? __nla_validate_parse+0x76/0xf20
[    2.259112]  rtnl_newlink+0x9c7/0xe10
[    2.259137]  ? kmalloc_reserve+0xa9/0x170
[    2.259159]  ? do_setlink.isra.0+0x1570/0x1570
[    2.259189]  rtnetlink_rcv_msg+0x39f/0x460
[    2.259213]  ? netlink_unicast+0x306/0x3a0
[    2.259236]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.259265]  netlink_rcv_skb+0xca/0x140
[    2.259288]  netlink_unicast+0x26b/0x3a0
[    2.259311]  netlink_sendmsg+0x1e2/0x430
[    2.259332]  ____sys_sendmsg+0x14c/0x2b0
[    2.259353]  ___sys_sendmsg+0xe1/0x120
[    2.259377]  __sys_sendmsg+0xad/0x100
[    2.259400]  do_syscall_64+0x104/0xfc0
[    2.259422]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.259451] RIP: 0033:0x7f0fea92e08e
[    2.259471] 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
[    2.259569] RSP: 002b:00007ffe309d63f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.259610] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0fea92e08e
[    2.259653] RDX: 0000000000000000 RSI: 00007ffe309d64a0 RDI: 0000000000000005
[    2.259695] RBP: 00007ffe309d6400 R08: 0000000000000000 R09: 0000000000000000
[    2.259740] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218
[    2.259778] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe309d6b70
[    2.259823]  </TASK>
[    2.259837] ---[ end trace 0000000000000000 ]---
[    2.268230] ------------[ cut here ]------------
[    2.268267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149
[    2.268321] Modules linked in: netdevsim
[    2.268344] CPU: 3 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.268402] Tainted: [W]=WARN
[    2.268427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.268468] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.268498] 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
[    2.268598] RSP: 0018:ff782846c02eb9d0 EFLAGS: 00010286
[    2.268627] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.268666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923f00
[    2.268708] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851802061030
[    2.268754] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000
[    2.268799] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801923f00
[    2.268845] FS:  00007f8a6c091b80(0000) GS:ff498518a09da000(0000) knlGS:0000000000000000
[    2.268890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.268920] CR2: 0000559d4d57d8e0 CR3: 0000000001cdd002 CR4: 0000000000771ef0
[    2.268957] PKRU: 55555554
[    2.268972] Call Trace:
[    2.268985]  <TASK>
[    2.269001]  rtmsg_ifinfo+0x3c/0xa0
[    2.269022]  register_netdevice+0x8e1/0xa70
[    2.269042]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.269075]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.269101]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.269131]  really_probe+0xc9/0x290
[    2.269157]  ? driver_probe_device+0xe0/0xe0
[    2.269185]  __driver_probe_device+0x8d/0x160
[    2.269214]  driver_probe_device+0x1f/0xe0
[    2.269236]  __device_attach_driver+0x71/0x100
[    2.269265]  bus_for_each_drv+0x9d/0x100
[    2.269289]  __device_attach+0xb0/0x1b0
[    2.269311]  device_initial_probe+0x4a/0x70
[    2.269335]  bus_probe_device+0x3c/0xb0
[    2.269360]  device_add+0x675/0x8a0
[    2.269381]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.269409]  kernfs_fop_write_iter+0x151/0x200
[    2.269438]  vfs_write+0x257/0x5c0
[    2.269463]  ksys_write+0x7b/0x110
[    2.269487]  do_syscall_64+0x104/0xfc0
[    2.269510]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.269540] RIP: 0033:0x7f8a6c10308e
[    2.269565] 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
[    2.269657] RSP: 002b:00007fff461910c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.269698] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[    2.269745] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[    2.269786] RBP: 00007fff461910d0 R08: 0000000000000000 R09: 0000000000000000
[    2.269834] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.269876] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[    2.269917]  </TASK>
[    2.269930] ---[ end trace 0000000000000000 ]---
[    2.270197] ------------[ cut here ]------------
[    2.270226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/149
[    2.270279] Modules linked in: netdevsim
[    2.270300] CPU: 3 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.270357] Tainted: [W]=WARN
[    2.270377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.270411] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.270439] 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
[    2.270535] RSP: 0018:ff782846c02eb9d0 EFLAGS: 00010286
[    2.270565] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.270603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2100
[    2.270643] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a2b030
[    2.270683] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000
[    2.270729] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801df2100
[    2.270773] FS:  00007f8a6c091b80(0000) GS:ff498518a09da000(0000) knlGS:0000000000000000
[    2.270824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.270854] CR2: 0000559d4d57d8e0 CR3: 0000000001cdd002 CR4: 0000000000771ef0
[    2.270898] PKRU: 55555554
[    2.270913] Call Trace:
[    2.270928]  <TASK>
[    2.270942]  rtmsg_ifinfo+0x3c/0xa0
[    2.270962]  register_netdevice+0x8e1/0xa70
[    2.270983]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.271011]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.271042]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.271073]  really_probe+0xc9/0x290
[    2.271095]  ? driver_probe_device+0xe0/0xe0
[    2.271123]  __driver_probe_device+0x8d/0x160
[    2.271154]  driver_probe_device+0x1f/0xe0
[    2.271176]  __device_attach_driver+0x71/0x100
[    2.271205]  bus_for_each_drv+0x9d/0x100
[    2.271224]  __device_attach+0xb0/0x1b0
[    2.271246]  device_initial_probe+0x4a/0x70
[    2.271269]  bus_probe_device+0x3c/0xb0
[    2.271292]  device_add+0x675/0x8a0
[    2.271313]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.271344]  kernfs_fop_write_iter+0x151/0x200
[    2.271373]  vfs_write+0x257/0x5c0
[    2.271398]  ksys_write+0x7b/0x110
[    2.271418]  do_syscall_64+0x104/0xfc0
[    2.271436]  ? __sysvec_call_function_single+0x20/0xd0
[    2.271468]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.271495] RIP: 0033:0x7f8a6c10308e
[    2.271516] 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
[    2.271606] RSP: 002b:00007fff461910f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.271645] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[    2.271686] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[    2.271723] RBP: 00007fff46191100 R08: 0000000000000000 R09: 0000000000000000
[    2.271765] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.271806] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[    2.271849]  </TASK>
[    2.271862] ---[ end trace 0000000000000000 ]---
[    2.302746] ------------[ cut here ]------------
[    2.302788] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
[    2.302837] Modules linked in: netdevsim
[    2.302859] CPU: 0 UID: 0 PID: 182 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.302919] Tainted: [W]=WARN
[    2.302941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.302976] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.303005] 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
[    2.303102] RSP: 0018:ff782846c03876d8 EFLAGS: 00010286
[    2.303130] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.303170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801933700
[    2.303210] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851806a5c830
[    2.303252] R10: ff49851806a26118 R11: fefefefefefefeff R12: ff782846c038778c
[    2.303294] R13: 0000000000000011 R14: ff49851806a26000 R15: ff49851801933700
[    2.303339] FS:  00007fef9a0ae840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[    2.303383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.303416] CR2: 000000001866f988 CR3: 0000000004deb002 CR4: 0000000000771ef0
[    2.303464] PKRU: 55555554
[    2.303477] Call Trace:
[    2.303492]  <TASK>
[    2.303507]  rtmsg_ifinfo_newnet+0x33/0x70
[    2.303529]  __dev_change_net_namespace+0x407/0xc50
[    2.303557]  ? rtnl_getlink+0x459/0x5e0
[    2.303578]  do_setlink.isra.0+0xd7/0x1570
[    2.303601]  ? __nla_validate_parse+0x76/0xf20
[    2.303630]  rtnl_newlink+0x9c7/0xe10
[    2.303654]  ? kmalloc_reserve+0xa9/0x170
[    2.303678]  ? do_setlink.isra.0+0x1570/0x1570
[    2.303707]  rtnetlink_rcv_msg+0x39f/0x460
[    2.303729]  ? netlink_unicast+0x306/0x3a0
[    2.303754]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.303787]  netlink_rcv_skb+0xca/0x140
[    2.303815]  netlink_unicast+0x26b/0x3a0
[    2.303834]  netlink_sendmsg+0x1e2/0x430
[    2.303857]  ____sys_sendmsg+0x14c/0x2b0
[    2.303881]  ___sys_sendmsg+0xe1/0x120
[    2.303903]  __sys_sendmsg+0xad/0x100
[    2.303923]  do_syscall_64+0x104/0xfc0
[    2.303946]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.303975] RIP: 0033:0x7fef9a2e808e
[    2.303997] 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
[    2.304086] RSP: 002b:00007ffe172cbbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.304128] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef9a2e808e
[    2.304165] RDX: 0000000000000000 RSI: 00007ffe172cbc70 RDI: 0000000000000005
[    2.304203] RBP: 00007ffe172cbbd0 R08: 0000000000000000 R09: 0000000000000000
[    2.304246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218
[    2.304287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe172cc330
[    2.304328]  </TASK>
[    2.304343] ---[ end trace 0000000000000000 ]---
[    2.304411] ------------[ cut here ]------------
[    2.304437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
[    2.304487] Modules linked in: netdevsim
[    2.304509] CPU: 0 UID: 0 PID: 182 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.304566] Tainted: [W]=WARN
[    2.304589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.304623] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.304651] 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
[    2.304752] RSP: 0018:ff782846c03876c8 EFLAGS: 00010286
[    2.304778] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.304820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2300
[    2.304861] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851801138030
[    2.304901] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000
[    2.304941] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801df2300
[    2.304987] FS:  00007fef9a0ae840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[    2.305030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.305068] CR2: 000000001866f988 CR3: 0000000004deb002 CR4: 0000000000771ef0
[    2.305112] PKRU: 55555554
[    2.305128] Call Trace:
[    2.305141]  <TASK>
[    2.305157]  rtmsg_ifinfo+0x3c/0xa0
[    2.305180]  __dev_change_net_namespace+0x22e/0xc50
[    2.305208]  ? rtnl_getlink+0x459/0x5e0
[    2.305227]  do_setlink.isra.0+0xd7/0x1570
[    2.305250]  ? __nla_validate_parse+0x76/0xf20
[    2.305281]  rtnl_newlink+0x9c7/0xe10
[    2.305302]  ? kmalloc_reserve+0xa9/0x170
[    2.305321]  ? do_setlink.isra.0+0x1570/0x1570
[    2.305349]  rtnetlink_rcv_msg+0x39f/0x460
[    2.305370]  ? netlink_unicast+0x306/0x3a0
[    2.305390]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.305420]  netlink_rcv_skb+0xca/0x140
[    2.305447]  netlink_unicast+0x26b/0x3a0
[    2.305468]  netlink_sendmsg+0x1e2/0x430
[    2.305489]  ____sys_sendmsg+0x14c/0x2b0
[    2.305510]  ___sys_sendmsg+0xe1/0x120
[    2.305535]  __sys_sendmsg+0xad/0x100
[    2.305558]  do_syscall_64+0x104/0xfc0
[    2.305581]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.305607] RIP: 0033:0x7fef9a2e808e
[    2.305627] 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
[    2.305720] RSP: 002b:00007ffe172cbbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.305764] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef9a2e808e
[    2.305809] RDX: 0000000000000000 RSI: 00007ffe172cbc70 RDI: 0000000000000005
[    2.305856] RBP: 00007ffe172cbbd0 R08: 0000000000000000 R09: 0000000000000000
[    2.305897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218
[    2.305935] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe172cc330
[    2.305974]  </TASK>
[    2.305986] ---[ end trace 0000000000000000 ]---
[    2.316763] ------------[ cut here ]------------
[    2.316792] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/184
[    2.316852] Modules linked in: netdevsim
[    2.316872] CPU: 0 UID: 0 PID: 184 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.316931] Tainted: [W]=WARN
[    2.316953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.316990] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.317019] 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
[    2.317117] RSP: 0018:ff782846c040f720 EFLAGS: 00010286
[    2.317147] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.317194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd5400
[    2.317237] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851801138030
[    2.317280] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000
[    2.317323] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801cd5400
[    2.317360] FS:  00007f8ceedea840(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[    2.317405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.317441] CR2: 000000003123c988 CR3: 0000000004ef5005 CR4: 0000000000771ef0
[    2.317476] PKRU: 55555554
[    2.317491] Call Trace:
[    2.317506]  <TASK>
[    2.317520]  rtmsg_ifinfo+0x3c/0xa0
[    2.317538]  __dev_notify_flags+0xb1/0xf0
[    2.317562]  ? rtnl_getlink+0x456/0x5e0
[    2.317582]  netif_change_flags+0x54/0x70
[    2.317602]  do_setlink.isra.0+0x390/0x1570
[    2.317625]  ? __nla_validate_parse+0x76/0xf20
[    2.317655]  rtnl_newlink+0x9c7/0xe10
[    2.317678]  ? kmalloc_reserve+0xa9/0x170
[    2.317700]  ? do_setlink.isra.0+0x1570/0x1570
[    2.317729]  rtnetlink_rcv_msg+0x39f/0x460
[    2.317753]  ? netlink_unicast+0x306/0x3a0
[    2.317776]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.317807]  netlink_rcv_skb+0xca/0x140
[    2.317828]  netlink_unicast+0x26b/0x3a0
[    2.317851]  netlink_sendmsg+0x1e2/0x430
[    2.317871]  ____sys_sendmsg+0x14c/0x2b0
[    2.317893]  ___sys_sendmsg+0xe1/0x120
[    2.317915]  __sys_sendmsg+0xad/0x100
[    2.317938]  do_syscall_64+0x104/0xfc0
[    2.317958]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.317988] RIP: 0033:0x7f8cef02408e
[    2.318011] 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
[    2.318102] RSP: 002b:00007fffc57c30e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.318143] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8cef02408e
[    2.318183] RDX: 0000000000000000 RSI: 00007fffc57c3190 RDI: 0000000000000005
[    2.318221] RBP: 00007fffc57c30f0 R08: 0000000000000000 R09: 0000000000000000
[    2.318261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218
[    2.318300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc57c3850
[    2.318342]  </TASK>
[    2.318356] ---[ end trace 0000000000000000 ]---
[    2.323892] ------------[ cut here ]------------
[    2.323957] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/186
[    2.324045] Modules linked in: netdevsim
[    2.324103] CPU: 2 UID: 0 PID: 186 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.324192] Tainted: [W]=WARN
[    2.324246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.324314] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.324377] 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
[    2.324503] RSP: 0018:ff782846c041f720 EFLAGS: 00010286
[    2.324566] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.324640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df1f00
[    2.324714] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a55030
[    2.324804] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000
[    2.324880] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801df1f00
[    2.324956] FS:  00007f4af04ea840(0000) GS:ff498518a095a000(0000) knlGS:0000000000000000
[    2.325031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.325099] CR2: 0000000004000988 CR3: 0000000004edb002 CR4: 0000000000771ef0
[    2.325174] PKRU: 55555554
[    2.325220] Call Trace:
[    2.325267]  <TASK>
[    2.325314]  rtmsg_ifinfo+0x3c/0xa0
[    2.325369]  __dev_notify_flags+0xb1/0xf0
[    2.325424]  ? rtnl_getlink+0x456/0x5e0
[    2.325479]  netif_change_flags+0x54/0x70
[    2.325534]  do_setlink.isra.0+0x390/0x1570
[    2.325590]  ? __nla_validate_parse+0x76/0xf20
[    2.325653]  rtnl_newlink+0x9c7/0xe10
[    2.325708]  ? kmalloc_reserve+0xa9/0x170
[    2.325767]  ? do_setlink.isra.0+0x1570/0x1570
[    2.325833]  rtnetlink_rcv_msg+0x39f/0x460
[    2.325889]  ? netlink_unicast+0x306/0x3a0
[    2.325949]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.326011]  netlink_rcv_skb+0xca/0x140
[    2.326066]  netlink_unicast+0x26b/0x3a0
[    2.326121]  netlink_sendmsg+0x1e2/0x430
[    2.326177]  ____sys_sendmsg+0x14c/0x2b0
[    2.326233]  ___sys_sendmsg+0xe1/0x120
[    2.326289]  __sys_sendmsg+0xad/0x100
[    2.326344]  do_syscall_64+0x104/0xfc0
[    2.326400]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.326461] RIP: 0033:0x7f4af072408e
[    2.326516] 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
[    2.326644] RSP: 002b:00007ffe0f8fd9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.326722] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4af072408e
[    2.326808] RDX: 0000000000000000 RSI: 00007ffe0f8fda70 RDI: 0000000000000005
[    2.326883] RBP: 00007ffe0f8fd9d0 R08: 0000000000000000 R09: 0000000000000000
[    2.326957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d218
[    2.327031] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0f8fe130
[    2.327106]  </TASK>
[    2.327153] ---[ end trace 0000000000000000 ]---
[    2.466614] netconsole selftest: netcons_umA3O
[    2.525334] netpoll: netconsole: eth0 doesn't exist, aborting
[    2.525374] netconsole: Not enabling netconsole for cmdline0. Netpoll setup failed
[    2.534667] netconsole selftest: netcons_umA3O
[   22.537078] ------------[ cut here ]------------
[   22.537142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149
[   22.537203] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.537248] CPU: 1 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.537307] Tainted: [W]=WARN
[   22.537331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.537366] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.537397] 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
[   22.537490] RSP: 0018:ff782846c02ebb18 EFLAGS: 00010286
[   22.537518] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.537556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923d00
[   22.537594] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff498518029dc030
[   22.537635] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000
[   22.537678] R13: 0000000000000010 R14: ff49851806a26000 R15: ff49851801923d00
[   22.537726] FS:  00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000
[   22.537777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.537809] CR2: 0000559d83c90f8c CR3: 0000000001cdd003 CR4: 0000000000771ef0
[   22.537859] PKRU: 55555554
[   22.537874] Call Trace:
[   22.537891]  <TASK>
[   22.537907]  rtmsg_ifinfo+0x3c/0xa0
[   22.537929]  netif_close_many+0xed/0x190
[   22.537952]  unregister_netdevice_many_notify+0x118/0xa40
[   22.537979]  ? __destroy_inode+0x1a/0xc0
[   22.537998]  unregister_netdevice_queue+0x9e/0xd0
[   22.538025]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.538057]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.538087]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.538116]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.538145]  device_release_driver_internal+0x19a/0x200
[   22.538176]  bus_remove_device+0xed/0x1b0
[   22.538200]  ? device_remove_attrs+0xb3/0x100
[   22.538231]  device_del+0x158/0x450
[   22.538253]  device_unregister+0x12/0x30
[   22.538274]  del_device_store+0x122/0x190 [netdevsim]
[   22.538299]  kernfs_fop_write_iter+0x151/0x200
[   22.538334]  vfs_write+0x257/0x5c0
[   22.538354]  ksys_write+0x7b/0x110
[   22.538376]  do_syscall_64+0x104/0xfc0
[   22.538395]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.538423] RIP: 0033:0x7f8a6c10308e
[   22.538447] 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
[   22.538546] RSP: 002b:00007fff46191a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.538585] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[   22.538622] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[   22.538665] RBP: 00007fff46191a70 R08: 0000000000000000 R09: 0000000000000000
[   22.538704] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.538751] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[   22.538782]  </TASK>
[   22.538797] ---[ end trace 0000000000000000 ]---
[   22.538919] ------------[ cut here ]------------
[   22.538947] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149
[   22.538994] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.539035] CPU: 1 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.539090] Tainted: [W]=WARN
[   22.539111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.539149] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.539180] 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
[   22.539270] RSP: 0018:ff782846c02ebb88 EFLAGS: 00010286
[   22.539294] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.539334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801923d00
[   22.539377] RBP: 0000000000000000 R08: ff49851804cd8510 R09: ff49851804efa830
[   22.539418] R10: ff49851806a26118 R11: fefefefefefefeff R12: 0000000000000000
[   22.539458] R13: 0000000000000011 R14: ff49851806a26000 R15: ff49851801923d00
[   22.539499] FS:  00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000
[   22.539542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.539576] CR2: 0000559d83c90f8c CR3: 0000000001cdd003 CR4: 0000000000771ef0
[   22.539612] PKRU: 55555554
[   22.539626] Call Trace:
[   22.539638]  <TASK>
[   22.539650]  unregister_netdevice_many_notify+0x595/0xa40
[   22.539679]  unregister_netdevice_queue+0x9e/0xd0
[   22.539706]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.539740]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.539769]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.539794]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.539818]  device_release_driver_internal+0x19a/0x200
[   22.539848]  bus_remove_device+0xed/0x1b0
[   22.539870]  ? device_remove_attrs+0xb3/0x100
[   22.539900]  device_del+0x158/0x450
[   22.539919]  device_unregister+0x12/0x30
[   22.539940]  del_device_store+0x122/0x190 [netdevsim]
[   22.539969]  kernfs_fop_write_iter+0x151/0x200
[   22.540000]  vfs_write+0x257/0x5c0
[   22.540021]  ksys_write+0x7b/0x110
[   22.540041]  do_syscall_64+0x104/0xfc0
[   22.540060]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.540087] RIP: 0033:0x7f8a6c10308e
[   22.540108] 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
[   22.540200] RSP: 002b:00007fff46191a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.540242] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[   22.540280] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[   22.540319] RBP: 00007fff46191a70 R08: 0000000000000000 R09: 0000000000000000
[   22.540361] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.540399] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[   22.540437]  </TASK>
[   22.540450] ---[ end trace 0000000000000000 ]---
[   22.562928] ------------[ cut here ]------------
[   22.562973] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149
[   22.563034] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.563078] CPU: 1 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.563136] Tainted: [W]=WARN
[   22.563156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.563190] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.563219] 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
[   22.563310] RSP: 0018:ff782846c02ebb18 EFLAGS: 00010286
[   22.563338] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.563380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd6f00
[   22.563417] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851802063030
[   22.563460] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000
[   22.563498] R13: 0000000000000010 R14: ff49851806a22000 R15: ff49851801cd6f00
[   22.563538] FS:  00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000
[   22.563580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.563613] CR2: 000055893ed5bf80 CR3: 0000000001cdd003 CR4: 0000000000771ef0
[   22.563654] PKRU: 55555554
[   22.563671] Call Trace:
[   22.563693]  <TASK>
[   22.563706]  rtmsg_ifinfo+0x3c/0xa0
[   22.563725]  netif_close_many+0xed/0x190
[   22.563751]  unregister_netdevice_many_notify+0x118/0xa40
[   22.563776]  ? __destroy_inode+0x1a/0xc0
[   22.563800]  unregister_netdevice_queue+0x9e/0xd0
[   22.563824]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.563859]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.563886]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.563915]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.563944]  device_release_driver_internal+0x19a/0x200
[   22.563974]  bus_remove_device+0xed/0x1b0
[   22.563996]  ? device_remove_attrs+0xb3/0x100
[   22.564021]  device_del+0x158/0x450
[   22.564041]  device_unregister+0x12/0x30
[   22.564060]  del_device_store+0x122/0x190 [netdevsim]
[   22.564089]  kernfs_fop_write_iter+0x151/0x200
[   22.564120]  vfs_write+0x257/0x5c0
[   22.564142]  ksys_write+0x7b/0x110
[   22.564163]  do_syscall_64+0x104/0xfc0
[   22.564184]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.564211] RIP: 0033:0x7f8a6c10308e
[   22.564235] 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
[   22.564330] RSP: 002b:00007fff46191b60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.564372] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[   22.564410] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[   22.564450] RBP: 00007fff46191b70 R08: 0000000000000000 R09: 0000000000000000
[   22.564491] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.564531] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[   22.564570]  </TASK>
[   22.564585] ---[ end trace 0000000000000000 ]---
[   22.564712] ------------[ cut here ]------------
[   22.564747] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/149
[   22.564796] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.564836] CPU: 1 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.564894] Tainted: [W]=WARN
[   22.564914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.564947] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.564977] 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
[   22.565070] RSP: 0018:ff782846c02ebb88 EFLAGS: 00010286
[   22.565102] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.565142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801cd6f00
[   22.565183] RBP: 0000000000000000 R08: ff49851801974f50 R09: ff49851806a5e830
[   22.565219] R10: ff49851806a22118 R11: fefefefefefefeff R12: 0000000000000000
[   22.565258] R13: 0000000000000011 R14: ff49851806a22000 R15: ff49851801cd6f00
[   22.565297] FS:  00007f8a6c091b80(0000) GS:ff498518a08da000(0000) knlGS:0000000000000000
[   22.565336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.565369] CR2: 000055893ed5c0c8 CR3: 0000000001cdd003 CR4: 0000000000771ef0
[   22.565405] PKRU: 55555554
[   22.565419] Call Trace:
[   22.565432]  <TASK>
[   22.565448]  unregister_netdevice_many_notify+0x595/0xa40
[   22.565477]  unregister_netdevice_queue+0x9e/0xd0
[   22.565505]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.565534]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.565560]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.565587]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.565617]  device_release_driver_internal+0x19a/0x200
[   22.565641]  bus_remove_device+0xed/0x1b0
[   22.565669]  ? device_remove_attrs+0xb3/0x100
[   22.565698]  device_del+0x158/0x450
[   22.565722]  device_unregister+0x12/0x30
[   22.565743]  del_device_store+0x122/0x190 [netdevsim]
[   22.565771]  kernfs_fop_write_iter+0x151/0x200
[   22.565800]  vfs_write+0x257/0x5c0
[   22.565824]  ksys_write+0x7b/0x110
[   22.565847]  do_syscall_64+0x104/0xfc0
[   22.565866]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.565895] RIP: 0033:0x7f8a6c10308e
[   22.565912] 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
[   22.565999] RSP: 002b:00007fff46191b60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.566041] RAX: ffffffffffffffda RBX: 00007f8a6c285580 RCX: 00007f8a6c10308e
[   22.566077] RDX: 0000000000000004 RSI: 0000559d83c4a1f0 RDI: 0000000000000001
[   22.566113] RBP: 00007fff46191b70 R08: 0000000000000000 R09: 0000000000000000
[   22.566154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.566193] R13: 0000000000000004 R14: 0000559d83c4a1f0 R15: 0000000000000000
[   22.566234]  </TASK>
[   22.566249] ---[ end trace 0000000000000000 ]---
[   22.599444] ------------[ cut here ]------------
[   22.599479] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[   22.599542] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.599592] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.599651] Tainted: [W]=WARN
[   22.599674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.599708] Workqueue: netns cleanup_net
[   22.599732] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.599764] 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
[   22.599867] RSP: 0018:ff782846c0067c08 EFLAGS: 00010286
[   22.599898] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.599944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2500
[   22.599986] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff4985180113802c
[   22.600030] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000
[   22.600076] R13: 0000000000000010 R14: ff49851806a50000 R15: ff49851801df2500
[   22.600135] FS:  0000000000000000(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[   22.600179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.600208] CR2: 00007f690adc7620 CR3: 000000003aa42003 CR4: 0000000000771ef0
[   22.600251] PKRU: 55555554
[   22.600266] Call Trace:
[   22.600280]  <TASK>
[   22.600296]  rtmsg_ifinfo+0x3c/0xa0
[   22.600319]  netif_close_many+0xed/0x190
[   22.600338]  unregister_netdevice_many_notify+0x215/0xa40
[   22.600365]  default_device_exit_batch+0x328/0x3a0
[   22.600395]  ops_undo_list+0x10b/0x240
[   22.600418]  cleanup_net+0x1d7/0x2e0
[   22.600440]  process_one_work+0x162/0x360
[   22.600465]  worker_thread+0x16e/0x2d0
[   22.600491]  ? rescuer_thread+0x510/0x510
[   22.600511]  kthread+0xe1/0x120
[   22.600533]  ? kthread_park+0xa0/0xa0
[   22.600554]  ret_from_fork+0x16d/0x250
[   22.600580]  ? kthread_park+0xa0/0xa0
[   22.600605]  ret_from_fork_asm+0x11/0x20
[   22.600627]  </TASK>
[   22.600641] ---[ end trace 0000000000000000 ]---
[   22.600748] ------------[ cut here ]------------
[   22.600782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[   22.600842] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.600887] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.600931] Tainted: [W]=WARN
[   22.600955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.600994] Workqueue: netns cleanup_net
[   22.601016] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.601048] 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
[   22.601141] RSP: 0018:ff782846c0067c78 EFLAGS: 00010286
[   22.601172] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.601214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff49851801df2500
[   22.601255] RBP: 0000000000000000 R08: ff49851804c85210 R09: ff49851806a5902c
[   22.601293] R10: ff49851806a50118 R11: fefefefefefefeff R12: 0000000000000000
[   22.601333] R13: 0000000000000011 R14: ff49851806a50000 R15: ff49851801df2500
[   22.601383] FS:  0000000000000000(0000) GS:ff498518a085a000(0000) knlGS:0000000000000000
[   22.601426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.601464] CR2: 00007f690adc7620 CR3: 000000003aa42003 CR4: 0000000000771ef0
[   22.601504] PKRU: 55555554
[   22.601517] Call Trace:
[   22.601530]  <TASK>
[   22.601544]  unregister_netdevice_many_notify+0x595/0xa40
[   22.601570]  default_device_exit_batch+0x328/0x3a0
[   22.601593]  ops_undo_list+0x10b/0x240
[   22.601613]  cleanup_net+0x1d7/0x2e0
[   22.601633]  process_one_work+0x162/0x360
[   22.601655]  worker_thread+0x16e/0x2d0
[   22.601676]  ? rescuer_thread+0x510/0x510
[   22.601696]  kthread+0xe1/0x120
[   22.601716]  ? kthread_park+0xa0/0xa0
[   22.601738]  ret_from_fork+0x16d/0x250
[   22.601758]  ? kthread_park+0xa0/0xa0
[   22.601779]  ret_from_fork_asm+0x11/0x20
[   22.601802]  </TASK>
[   22.601815] ---[ end trace 0000000000000000 ]---