[    3.141739] ------------[ cut here ]------------
[    3.141790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/498
[    3.141854] Modules linked in: netdevsim
[    3.141882] CPU: 3 UID: 0 PID: 498 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.141945] Tainted: [W]=WARN
[    3.141966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.142004] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.142034] 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
[    3.142131] RSP: 0018:ff735ed34071fcc8 EFLAGS: 00010286
[    3.142161] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.142201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818bd900
[    3.142245] RBP: 0000000000000000 R08: ff19a45381922710 R09: ff19a45384afe02c
[    3.142293] R10: ff19a45384af9118 R11: fefefefefefefeff R12: 0000000000000000
[    3.142335] R13: 0000000000000010 R14: ff19a45384af9000 R15: ff19a453818bd900
[    3.142384] FS:  00007f5300e2d840(0000) GS:ff19a4541f3da000(0000) knlGS:0000000000000000
[    3.142426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.142455] CR2: 00007f530102ec20 CR3: 0000000004a45002 CR4: 0000000000771ef0
[    3.142506] PKRU: 55555554
[    3.142521] Call Trace:
[    3.142537]  <TASK>
[    3.142554]  rtmsg_ifinfo+0x3c/0xa0
[    3.142578]  register_netdevice+0x8e1/0xa70
[    3.142602]  register_netdev+0x1e/0x30
[    3.142620]  loopback_net_init+0x57/0xb0
[    3.142647]  ? vsock_sysctl_init_net+0xb6/0x140
[    3.142678]  ops_init+0x68/0x140
[    3.142703]  setup_net+0x85/0x150
[    3.142726]  copy_net_ns+0xf5/0x200
[    3.142754]  create_new_namespaces+0x117/0x2f0
[    3.142788]  unshare_nsproxy_namespaces+0x85/0xb0
[    3.142820]  ksys_unshare+0x346/0x5e0
[    3.142845]  __x64_sys_unshare+0x12/0x20
[    3.142866]  do_syscall_64+0x104/0xfc0
[    3.142894]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.142927] RIP: 0033:0x7f53010efbcb
[    3.142949] 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
[    3.143046] RSP: 002b:00007fff03fa8028 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.143095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f53010efbcb
[    3.143142] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.143185] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    3.143228] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff03faa250
[    3.143275] R13: 0000000000000001 R14: 00007f5300e2d6f8 R15: 00007fff03fab86f
[    3.143322]  </TASK>
[    3.143335] ---[ end trace 0000000000000000 ]---
[    3.148003] ------------[ cut here ]------------
[    3.148036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/499
[    3.148096] Modules linked in: netdevsim
[    3.148122] CPU: 3 UID: 0 PID: 499 Comm: echo Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.148183] Tainted: [W]=WARN
[    3.148205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.148244] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.148277] 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
[    3.148356] RSP: 0018:ff735ed3407279d0 EFLAGS: 00010286
[    3.148385] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.148428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818bd900
[    3.148472] RBP: 0000000000000000 R08: ff19a453848185d0 R09: ff19a45384afc030
[    3.148514] R10: ff19a45384ae6118 R11: fefefefefefefeff R12: 0000000000000000
[    3.148556] R13: 0000000000000010 R14: ff19a45384ae6000 R15: ff19a453818bd900
[    3.148601] FS:  00007f1a3bee3740(0000) GS:ff19a4541f3da000(0000) knlGS:0000000000000000
[    3.148646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.148686] CR2: 00005622323aa068 CR3: 000000000695a005 CR4: 0000000000771ef0
[    3.148730] PKRU: 55555554
[    3.148745] Call Trace:
[    3.148761]  <TASK>
[    3.148777]  rtmsg_ifinfo+0x3c/0xa0
[    3.148805]  register_netdevice+0x8e1/0xa70
[    3.148827]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    3.148861]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    3.148889]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    3.148920]  really_probe+0xc9/0x290
[    3.148945]  ? driver_probe_device+0xe0/0xe0
[    3.148979]  __driver_probe_device+0x8d/0x160
[    3.149008]  driver_probe_device+0x1f/0xe0
[    3.149033]  __device_attach_driver+0x71/0x100
[    3.149065]  bus_for_each_drv+0x9d/0x100
[    3.149088]  __device_attach+0xb0/0x1b0
[    3.149112]  device_initial_probe+0x4a/0x70
[    3.149133]  bus_probe_device+0x3c/0xb0
[    3.149160]  device_add+0x675/0x8a0
[    3.149184]  new_device_store+0x19b/0x2b0 [netdevsim]
[    3.149213]  kernfs_fop_write_iter+0x151/0x200
[    3.149249]  vfs_write+0x257/0x5c0
[    3.149280]  ksys_write+0x7b/0x110
[    3.149302]  do_syscall_64+0x104/0xfc0
[    3.149322]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.149353] RIP: 0033:0x7f1a3bf5608e
[    3.149376] 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
[    3.149480] RSP: 002b:00007ffc008a53d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.149524] RAX: ffffffffffffffda RBX: 00007f1a3c0d8580 RCX: 00007f1a3bf5608e
[    3.149560] RDX: 0000000000000005 RSI: 00005622323a9060 RDI: 0000000000000001
[    3.149603] RBP: 00007ffc008a53e0 R08: 0000000000000000 R09: 0000000000000000
[    3.149647] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.149689] R13: 0000000000000005 R14: 00005622323a9060 R15: 00007f1a3c0d8668
[    3.149733]  </TASK>
[    3.149747] ---[ end trace 0000000000000000 ]---
[    3.150210] ------------[ cut here ]------------
[    3.150240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/499
[    3.150294] Modules linked in: netdevsim
[    3.150322] CPU: 3 UID: 0 PID: 499 Comm: echo Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.150396] Tainted: [W]=WARN
[    3.150419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.150455] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.150484] 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
[    3.150579] RSP: 0018:ff735ed3407279d0 EFLAGS: 00010286
[    3.150604] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.150647] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818bd900
[    3.150692] RBP: 0000000000000000 R08: ff19a45381907d10 R09: ff19a45387402030
[    3.150732] R10: ff19a45384ad2118 R11: fefefefefefefeff R12: 0000000000000000
[    3.150782] R13: 0000000000000010 R14: ff19a45384ad2000 R15: ff19a453818bd900
[    3.150832] FS:  00007f1a3bee3740(0000) GS:ff19a4541f3da000(0000) knlGS:0000000000000000
[    3.150879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.150921] CR2: 00005622323aa068 CR3: 000000000695a005 CR4: 0000000000771ef0
[    3.150965] PKRU: 55555554
[    3.150979] Call Trace:
[    3.150994]  <TASK>
[    3.151009]  rtmsg_ifinfo+0x3c/0xa0
[    3.151027]  register_netdevice+0x8e1/0xa70
[    3.151053]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    3.151078]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    3.151108]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    3.151161]  really_probe+0xc9/0x290
[    3.151182]  ? driver_probe_device+0xe0/0xe0
[    3.151212]  __driver_probe_device+0x8d/0x160
[    3.151240]  driver_probe_device+0x1f/0xe0
[    3.151270]  __device_attach_driver+0x71/0x100
[    3.151303]  bus_for_each_drv+0x9d/0x100
[    3.151325]  __device_attach+0xb0/0x1b0
[    3.151349]  device_initial_probe+0x4a/0x70
[    3.151371]  bus_probe_device+0x3c/0xb0
[    3.151395]  device_add+0x675/0x8a0
[    3.151418]  new_device_store+0x19b/0x2b0 [netdevsim]
[    3.151451]  kernfs_fop_write_iter+0x151/0x200
[    3.151484]  vfs_write+0x257/0x5c0
[    3.151509]  ksys_write+0x7b/0x110
[    3.151532]  do_syscall_64+0x104/0xfc0
[    3.151555]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.151584] RIP: 0033:0x7f1a3bf5608e
[    3.151605] 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
[    3.151698] RSP: 002b:00007ffc008a53d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.151741] RAX: ffffffffffffffda RBX: 00007f1a3c0d8580 RCX: 00007f1a3bf5608e
[    3.151783] RDX: 0000000000000005 RSI: 00005622323a9060 RDI: 0000000000000001
[    3.151825] RBP: 00007ffc008a53e0 R08: 0000000000000000 R09: 0000000000000000
[    3.151868] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.151905] R13: 0000000000000005 R14: 00005622323a9060 R15: 00007f1a3c0d8668
[    3.151956]  </TASK>
[    3.151969] ---[ end trace 0000000000000000 ]---
[    3.152111] ------------[ cut here ]------------
[    3.152141] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/499
[    3.152187] Modules linked in: netdevsim
[    3.152210] CPU: 3 UID: 0 PID: 499 Comm: echo Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.152274] Tainted: [W]=WARN
[    3.152305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.152349] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.152379] 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
[    3.152485] RSP: 0018:ff735ed3407279d0 EFLAGS: 00010286
[    3.152516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.152566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818bd900
[    3.152608] RBP: 0000000000000000 R08: ff19a45381907e10 R09: ff19a45387400030
[    3.152659] R10: ff19a45384ae0118 R11: fefefefefefefeff R12: 0000000000000000
[    3.152701] R13: 0000000000000010 R14: ff19a45384ae0000 R15: ff19a453818bd900
[    3.152747] FS:  00007f1a3bee3740(0000) GS:ff19a4541f3da000(0000) knlGS:0000000000000000
[    3.152795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.152838] CR2: 00005622323aa068 CR3: 000000000695a005 CR4: 0000000000771ef0
[    3.152885] PKRU: 55555554
[    3.152901] Call Trace:
[    3.152915]  <TASK>
[    3.152931]  rtmsg_ifinfo+0x3c/0xa0
[    3.152952]  register_netdevice+0x8e1/0xa70
[    3.152973]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    3.153004]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    3.153029]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    3.153061]  really_probe+0xc9/0x290
[    3.153084]  ? driver_probe_device+0xe0/0xe0
[    3.153115]  __driver_probe_device+0x8d/0x160
[    3.153147]  driver_probe_device+0x1f/0xe0
[    3.153172]  __device_attach_driver+0x71/0x100
[    3.153203]  bus_for_each_drv+0x9d/0x100
[    3.153226]  __device_attach+0xb0/0x1b0
[    3.153248]  device_initial_probe+0x4a/0x70
[    3.153274]  bus_probe_device+0x3c/0xb0
[    3.153297]  device_add+0x675/0x8a0
[    3.153318]  new_device_store+0x19b/0x2b0 [netdevsim]
[    3.153343]  kernfs_fop_write_iter+0x151/0x200
[    3.153372]  vfs_write+0x257/0x5c0
[    3.153395]  ksys_write+0x7b/0x110
[    3.153418]  do_syscall_64+0x104/0xfc0
[    3.153440]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.153471] RIP: 0033:0x7f1a3bf5608e
[    3.153494] 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
[    3.153593] RSP: 002b:00007ffc008a53d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.153634] RAX: ffffffffffffffda RBX: 00007f1a3c0d8580 RCX: 00007f1a3bf5608e
[    3.153679] RDX: 0000000000000005 RSI: 00005622323a9060 RDI: 0000000000000001
[    3.153718] RBP: 00007ffc008a53e0 R08: 0000000000000000 R09: 0000000000000000
[    3.153761] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.153806] R13: 0000000000000005 R14: 00005622323a9060 R15: 00007f1a3c0d8668
[    3.153853]  </TASK>
[    3.153869] ---[ end trace 0000000000000000 ]---
[    3.154014] ------------[ cut here ]------------
[    3.154041] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/499
[    3.154091] Modules linked in: netdevsim
[    3.154114] CPU: 3 UID: 0 PID: 499 Comm: echo Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.154169] Tainted: [W]=WARN
[    3.154192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.154229] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.154260] 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
[    3.154365] RSP: 0018:ff735ed3407279d0 EFLAGS: 00010286
[    3.154390] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.154439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818bd900
[    3.154480] RBP: 0000000000000000 R08: ff19a45381928b10 R09: ff19a45387406030
[    3.154525] R10: ff19a45384a1e118 R11: fefefefefefefeff R12: 0000000000000000
[    3.154569] R13: 0000000000000010 R14: ff19a45384a1e000 R15: ff19a453818bd900
[    3.154616] FS:  00007f1a3bee3740(0000) GS:ff19a4541f3da000(0000) knlGS:0000000000000000
[    3.154663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.154701] CR2: 00005622323aa068 CR3: 000000000695a005 CR4: 0000000000771ef0
[    3.154746] PKRU: 55555554
[    3.154766] Call Trace:
[    3.154781]  <TASK>
[    3.154796]  rtmsg_ifinfo+0x3c/0xa0
[    3.154819]  register_netdevice+0x8e1/0xa70
[    3.154838]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    3.154869]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    3.154899]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    3.154930]  really_probe+0xc9/0x290
[    3.154950]  ? driver_probe_device+0xe0/0xe0
[    3.154979]  __driver_probe_device+0x8d/0x160
[    3.155008]  driver_probe_device+0x1f/0xe0
[    3.155029]  __device_attach_driver+0x71/0x100
[    3.155058]  bus_for_each_drv+0x9d/0x100
[    3.155080]  __device_attach+0xb0/0x1b0
[    3.155107]  device_initial_probe+0x4a/0x70
[    3.155130]  bus_probe_device+0x3c/0xb0
[    3.155152]  device_add+0x675/0x8a0
[    3.155175]  new_device_store+0x19b/0x2b0 [netdevsim]
[    3.155206]  kernfs_fop_write_iter+0x151/0x200
[    3.155235]  vfs_write+0x257/0x5c0
[    3.155257]  ksys_write+0x7b/0x110
[    3.155283]  do_syscall_64+0x104/0xfc0
[    3.155304]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.155333] RIP: 0033:0x7f1a3bf5608e
[    3.155355] 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
[    3.155453] RSP: 002b:00007ffc008a53d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.155495] RAX: ffffffffffffffda RBX: 00007f1a3c0d8580 RCX: 00007f1a3bf5608e
[    3.155538] RDX: 0000000000000005 RSI: 00005622323a9060 RDI: 0000000000000001
[    3.155580] RBP: 00007ffc008a53e0 R08: 0000000000000000 R09: 0000000000000000
[    3.155621] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.155672] R13: 0000000000000005 R14: 00005622323a9060 R15: 00007f1a3c0d8668
[    3.155716]  </TASK>
[    3.155731] ---[ end trace 0000000000000000 ]---
[    3.207132] ------------[ cut here ]------------
[    3.207208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink_in_netn/485
[    3.207316] Modules linked in: netdevsim
[    3.207376] CPU: 2 UID: 0 PID: 485 Comm: devlink_in_netn Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.207478] Tainted: [W]=WARN
[    3.207546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.207641] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.207711] 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
[    3.207865] RSP: 0018:ff735ed3406efb88 EFLAGS: 00010286
[    3.207946] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.208030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a4538302e700
[    3.208113] RBP: 0000000000000000 R08: ff19a45381928b10 R09: ff19a45387c15030
[    3.208217] R10: ff19a45384a1e118 R11: fefefefefefefeff R12: 0000000000000000
[    3.208312] R13: 0000000000000011 R14: ff19a45384a1e000 R15: ff19a4538302e700
[    3.208410] FS:  00007f122dbe7b80(0000) GS:ff19a4541f35a000(0000) knlGS:0000000000000000
[    3.208498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.208582] CR2: 0000557df70d7040 CR3: 000000000743d003 CR4: 0000000000771ef0
[    3.208662] PKRU: 55555554
[    3.208720] Call Trace:
[    3.208786]  <TASK>
[    3.208844]  unregister_netdevice_many_notify+0x595/0xa40
[    3.208917]  unregister_netdevice_queue+0x9e/0xd0
[    3.208992]  nsim_destroy+0x91/0x200 [netdevsim]
[    3.209056]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    3.209141]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    3.209220]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    3.209289]  device_release_driver_internal+0x19a/0x200
[    3.209377]  bus_remove_device+0xed/0x1b0
[    3.209448]  ? device_remove_attrs+0xb3/0x100
[    3.209523]  device_del+0x158/0x450
[    3.209579]  device_unregister+0x12/0x30
[    3.209635]  del_device_store+0x122/0x190 [netdevsim]
[    3.209722]  kernfs_fop_write_iter+0x151/0x200
[    3.209802]  vfs_write+0x257/0x5c0
[    3.209870]  ksys_write+0x7b/0x110
[    3.209928]  do_syscall_64+0x104/0xfc0
[    3.209987]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.210051] RIP: 0033:0x7f122dc5908e
[    3.210106] 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
[    3.210283] RSP: 002b:00007ffd6be433f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.210368] RAX: ffffffffffffffda RBX: 00007f122dddb580 RCX: 00007f122dc5908e
[    3.210453] RDX: 0000000000000003 RSI: 0000557e24f9f590 RDI: 0000000000000001
[    3.210540] RBP: 00007ffd6be43400 R08: 0000000000000000 R09: 0000000000000000
[    3.210629] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[    3.210714] R13: 0000000000000003 R14: 0000557e24f9f590 R15: 0000000000000000
[    3.210818]  </TASK>
[    3.210876] ---[ end trace 0000000000000000 ]---
[    3.219123] ------------[ cut here ]------------
[    3.219199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink_in_netn/485
[    3.219299] Modules linked in: netdevsim
[    3.219360] CPU: 2 UID: 0 PID: 485 Comm: devlink_in_netn Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.219454] Tainted: [W]=WARN
[    3.219508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.219578] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.219642] 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
[    3.219783] RSP: 0018:ff735ed3406efb88 EFLAGS: 00010286
[    3.219848] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.219926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818f3a00
[    3.220003] RBP: 0000000000000000 R08: ff19a45381907e10 R09: ff19a45384a7a030
[    3.220080] R10: ff19a45384ae0118 R11: fefefefefefefeff R12: 0000000000000000
[    3.220157] R13: 0000000000000011 R14: ff19a45384ae0000 R15: ff19a453818f3a00
[    3.220238] FS:  00007f122dbe7b80(0000) GS:ff19a4541f35a000(0000) knlGS:0000000000000000
[    3.220322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.220391] CR2: 0000557df70d7040 CR3: 000000000743d004 CR4: 0000000000771ef0
[    3.220469] PKRU: 55555554
[    3.220517] Call Trace:
[    3.220566]  <TASK>
[    3.220615]  unregister_netdevice_many_notify+0x595/0xa40
[    3.220679]  unregister_netdevice_queue+0x9e/0xd0
[    3.220743]  nsim_destroy+0x91/0x200 [netdevsim]
[    3.220817]  ? devl_port_unregister+0x4d/0x80
[    3.220882]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    3.220948]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    3.221013]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    3.221079]  device_release_driver_internal+0x19a/0x200
[    3.221144]  bus_remove_device+0xed/0x1b0
[    3.221207]  ? device_remove_attrs+0xb3/0x100
[    3.221276]  device_del+0x158/0x450
[    3.221335]  device_unregister+0x12/0x30
[    3.221392]  del_device_store+0x122/0x190 [netdevsim]
[    3.221457]  kernfs_fop_write_iter+0x151/0x200
[    3.221522]  vfs_write+0x257/0x5c0
[    3.221580]  ksys_write+0x7b/0x110
[    3.221637]  do_syscall_64+0x104/0xfc0
[    3.221694]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.221763] RIP: 0033:0x7f122dc5908e
[    3.221820] 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
[    3.221953] RSP: 002b:00007ffd6be433f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.222035] RAX: ffffffffffffffda RBX: 00007f122dddb580 RCX: 00007f122dc5908e
[    3.222111] RDX: 0000000000000003 RSI: 0000557e24f9f590 RDI: 0000000000000001
[    3.222186] RBP: 00007ffd6be43400 R08: 0000000000000000 R09: 0000000000000000
[    3.222262] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[    3.222346] R13: 0000000000000003 R14: 0000557e24f9f590 R15: 0000000000000000
[    3.222424]  </TASK>
[    3.222471] ---[ end trace 0000000000000000 ]---
[    3.231896] ------------[ cut here ]------------
[    3.231965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink_in_netn/485
[    3.232063] Modules linked in: netdevsim
[    3.232120] CPU: 2 UID: 0 PID: 485 Comm: devlink_in_netn Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.232212] Tainted: [W]=WARN
[    3.232274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.232345] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.232409] 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
[    3.232543] RSP: 0018:ff735ed3406efb88 EFLAGS: 00010286
[    3.232607] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.232686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818f3a00
[    3.232770] RBP: 0000000000000000 R08: ff19a45381907d10 R09: ff19a45384a7d030
[    3.232846] R10: ff19a45384ad2118 R11: fefefefefefefeff R12: 0000000000000000
[    3.232924] R13: 0000000000000011 R14: ff19a45384ad2000 R15: ff19a453818f3a00
[    3.233004] FS:  00007f122dbe7b80(0000) GS:ff19a4541f35a000(0000) knlGS:0000000000000000
[    3.233081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.233151] CR2: 0000557df70d7040 CR3: 000000000743d004 CR4: 0000000000771ef0
[    3.233229] PKRU: 55555554
[    3.233284] Call Trace:
[    3.233333]  <TASK>
[    3.233382]  unregister_netdevice_many_notify+0x595/0xa40
[    3.233447]  unregister_netdevice_queue+0x9e/0xd0
[    3.233510]  nsim_destroy+0x91/0x200 [netdevsim]
[    3.233576]  ? devl_port_unregister+0x4d/0x80
[    3.233641]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    3.233706]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    3.233778]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    3.233843]  device_release_driver_internal+0x19a/0x200
[    3.233909]  bus_remove_device+0xed/0x1b0
[    3.233972]  ? device_remove_attrs+0xb3/0x100
[    3.234037]  device_del+0x158/0x450
[    3.234094]  device_unregister+0x12/0x30
[    3.234151]  del_device_store+0x122/0x190 [netdevsim]
[    3.234215]  kernfs_fop_write_iter+0x151/0x200
[    3.234285]  vfs_write+0x257/0x5c0
[    3.234344]  ksys_write+0x7b/0x110
[    3.234401]  do_syscall_64+0x104/0xfc0
[    3.234459]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.234524] RIP: 0033:0x7f122dc5908e
[    3.234580] 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
[    3.234718] RSP: 002b:00007ffd6be433f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.234806] RAX: ffffffffffffffda RBX: 00007f122dddb580 RCX: 00007f122dc5908e
[    3.234883] RDX: 0000000000000003 RSI: 0000557e24f9f590 RDI: 0000000000000001
[    3.234959] RBP: 00007ffd6be43400 R08: 0000000000000000 R09: 0000000000000000
[    3.235036] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[    3.235114] R13: 0000000000000003 R14: 0000557e24f9f590 R15: 0000000000000000
[    3.235192]  </TASK>
[    3.235240] ---[ end trace 0000000000000000 ]---
[    3.244977] ------------[ cut here ]------------
[    3.245046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink_in_netn/485
[    3.245141] Modules linked in: netdevsim
[    3.245198] CPU: 2 UID: 0 PID: 485 Comm: devlink_in_netn Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.245295] Tainted: [W]=WARN
[    3.245351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.245420] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.245483] 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
[    3.245616] RSP: 0018:ff735ed3406efb88 EFLAGS: 00010286
[    3.245680] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.245763] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818f6f00
[    3.245840] RBP: 0000000000000000 R08: ff19a453848185d0 R09: ff19a45384ade830
[    3.245920] R10: ff19a45384ae6118 R11: fefefefefefefeff R12: 0000000000000000
[    3.245996] R13: 0000000000000011 R14: ff19a45384ae6000 R15: ff19a453818f6f00
[    3.246076] FS:  00007f122dbe7b80(0000) GS:ff19a4541f35a000(0000) knlGS:0000000000000000
[    3.246155] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.246224] CR2: 0000557df70d7040 CR3: 000000000743d004 CR4: 0000000000771ef0
[    3.246307] PKRU: 55555554
[    3.246355] Call Trace:
[    3.246403]  <TASK>
[    3.246451]  unregister_netdevice_many_notify+0x595/0xa40
[    3.246516]  unregister_netdevice_queue+0x9e/0xd0
[    3.246579]  nsim_destroy+0x91/0x200 [netdevsim]
[    3.246643]  ? devl_port_unregister+0x4d/0x80
[    3.246707]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    3.246778]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    3.246844]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    3.246909]  device_release_driver_internal+0x19a/0x200
[    3.246973]  bus_remove_device+0xed/0x1b0
[    3.247030]  ? device_remove_attrs+0xb3/0x100
[    3.247096]  device_del+0x158/0x450
[    3.247153]  device_unregister+0x12/0x30
[    3.247209]  del_device_store+0x122/0x190 [netdevsim]
[    3.247278]  kernfs_fop_write_iter+0x151/0x200
[    3.247345]  vfs_write+0x257/0x5c0
[    3.247402]  ksys_write+0x7b/0x110
[    3.247460]  do_syscall_64+0x104/0xfc0
[    3.247516]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.247581] RIP: 0033:0x7f122dc5908e
[    3.247637] 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
[    3.247779] RSP: 002b:00007ffd6be433f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    3.247857] RAX: ffffffffffffffda RBX: 00007f122dddb580 RCX: 00007f122dc5908e
[    3.247937] RDX: 0000000000000003 RSI: 0000557e24f9f590 RDI: 0000000000000001
[    3.248014] RBP: 00007ffd6be43400 R08: 0000000000000000 R09: 0000000000000000
[    3.248092] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[    3.248168] R13: 0000000000000003 R14: 0000557e24f9f590 R15: 0000000000000000
[    3.248246]  </TASK>
[    3.248299] ---[ end trace 0000000000000000 ]---
[    3.269778] ------------[ cut here ]------------
[    3.269827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[    3.269899] Modules linked in: netdevsim
[    3.269921] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    3.269978] Tainted: [W]=WARN
[    3.269999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.270038] Workqueue: netns cleanup_net
[    3.270063] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    3.270087] 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
[    3.270183] RSP: 0018:ff735ed340067c78 EFLAGS: 00010286
[    3.270206] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.270248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818f3f00
[    3.270292] RBP: 0000000000000000 R08: ff19a45381922710 R09: ff19a45384a7802c
[    3.270336] R10: ff19a45384af9118 R11: fefefefefefefeff R12: 0000000000000000
[    3.270370] R13: 0000000000000011 R14: ff19a45384af9000 R15: ff19a453818f3f00
[    3.270418] FS:  0000000000000000(0000) GS:ff19a4541f25a000(0000) knlGS:0000000000000000
[    3.270466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.270501] CR2: 00007f25515de574 CR3: 0000000006867005 CR4: 0000000000771ef0
[    3.270547] PKRU: 55555554
[    3.270566] Call Trace:
[    3.270583]  <TASK>
[    3.270597]  unregister_netdevice_many_notify+0x595/0xa40
[    3.270627]  default_device_exit_batch+0x328/0x3a0
[    3.270655]  ops_undo_list+0x10b/0x240
[    3.270677]  cleanup_net+0x1d7/0x2e0
[    3.270699]  process_one_work+0x162/0x360
[    3.270723]  worker_thread+0x16e/0x2d0
[    3.270748]  ? rescuer_thread+0x510/0x510
[    3.270776]  kthread+0xe1/0x120
[    3.270802]  ? kthread_park+0xa0/0xa0
[    3.270824]  ret_from_fork+0x16d/0x250
[    3.270848]  ? kthread_park+0xa0/0xa0
[    3.270871]  ret_from_fork_asm+0x11/0x20
[    3.270894]  </TASK>
[    3.270913] ---[ end trace 0000000000000000 ]---