[    2.274797] ------------[ cut here ]------------
[    2.274897] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/167
[    2.274991] Modules linked in: netdevsim
[    2.275053] CPU: 2 UID: 0 PID: 167 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.275163] Tainted: [W]=WARN
[    2.275220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.275289] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.275352] 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
[    2.275483] RSP: 0018:ff5ad0c1c02e3cc8 EFLAGS: 00010286
[    2.275547] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.275623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d6e00
[    2.275698] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c6e2e02c
[    2.275773] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000
[    2.275847] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c30d6e00
[    2.275927] FS:  00007fb7c5601840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000
[    2.276007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.276075] CR2: 0000000000479648 CR3: 00000000055fc001 CR4: 0000000000771ef0
[    2.276167] PKRU: 55555554
[    2.276218] Call Trace:
[    2.276268]  <TASK>
[    2.276317]  rtmsg_ifinfo+0x3c/0xa0
[    2.276378]  register_netdevice+0x8e1/0xa70
[    2.276439]  register_netdev+0x1e/0x30
[    2.276498]  loopback_net_init+0x57/0xb0
[    2.276561]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.276630]  ops_init+0x68/0x140
[    2.276692]  setup_net+0x85/0x150
[    2.276753]  copy_net_ns+0xf5/0x200
[    2.276814]  create_new_namespaces+0x117/0x2f0
[    2.276884]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.276951]  ksys_unshare+0x346/0x5e0
[    2.277014]  __x64_sys_unshare+0x12/0x20
[    2.277075]  do_syscall_64+0x104/0xfc0
[    2.277152]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.277222] RIP: 0033:0x7fb7c58c3bcb
[    2.277281] 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
[    2.277420] RSP: 002b:00007fff448f7e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.277502] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb7c58c3bcb
[    2.277583] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.277663] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.277743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff448fa080
[    2.277822] R13: 0000000000000001 R14: 00007fb7c56016f8 R15: 00007fff448fa845
[    2.277902]  </TASK>
[    2.277953] ---[ end trace 0000000000000000 ]---
[    2.281271] ------------[ cut here ]------------
[    2.281305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/168
[    2.281369] Modules linked in: netdevsim
[    2.281394] CPU: 0 UID: 0 PID: 168 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.281453] Tainted: [W]=WARN
[    2.281475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.281507] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.281542] 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
[    2.281648] RSP: 0018:ff5ad0c1c03e7720 EFLAGS: 00010286
[    2.281676] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.281718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c1892b00
[    2.281762] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c19bb02c
[    2.281806] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000
[    2.281852] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c1892b00
[    2.281907] FS:  00007f9ffcae8840(0000) GS:ff369d057ac5a000(0000) knlGS:0000000000000000
[    2.281953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.281992] CR2: 0000000029927988 CR3: 0000000005675001 CR4: 0000000000771ef0
[    2.282038] PKRU: 55555554
[    2.282052] Call Trace:
[    2.282066]  <TASK>
[    2.282092]  rtmsg_ifinfo+0x3c/0xa0
[    2.282115]  __dev_notify_flags+0xb1/0xf0
[    2.282148]  netif_change_flags+0x54/0x70
[    2.282173]  do_setlink.isra.0+0x390/0x1570
[    2.282198]  ? alloc_from_new_slab+0x165/0x210
[    2.282225]  ? refill_objects+0x234/0x300
[    2.282249]  ? __nla_validate_parse+0x76/0xf20
[    2.282282]  ? __pcs_replace_empty_main+0x203/0x450
[    2.282310]  rtnl_newlink+0x9c7/0xe10
[    2.282333]  ? kmalloc_reserve+0xa9/0x170
[    2.282357]  ? do_setlink.isra.0+0x1570/0x1570
[    2.282387]  rtnetlink_rcv_msg+0x39f/0x460
[    2.282409]  ? netlink_unicast+0x306/0x3a0
[    2.282433]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.282463]  netlink_rcv_skb+0xca/0x140
[    2.282485]  netlink_unicast+0x26b/0x3a0
[    2.282506]  netlink_sendmsg+0x1e2/0x430
[    2.282527]  ____sys_sendmsg+0x14c/0x2b0
[    2.282556]  ___sys_sendmsg+0xe1/0x120
[    2.282577]  __sys_sendmsg+0xad/0x100
[    2.282599]  do_syscall_64+0x104/0xfc0
[    2.282621]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.282650] RIP: 0033:0x7f9ffcd2208e
[    2.282671] 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
[    2.282772] RSP: 002b:00007ffd096c5de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.282820] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ffcd2208e
[    2.282863] RDX: 0000000000000000 RSI: 00007ffd096c5e90 RDI: 0000000000000005
[    2.282905] RBP: 00007ffd096c5df0 R08: 0000000000000000 R09: 0000000000000000
[    2.282951] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a
[    2.282995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd096c6560
[    2.283044]  </TASK>
[    2.283060] ---[ end trace 0000000000000000 ]---
[    2.291994] ------------[ cut here ]------------
[    2.292032] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150
[    2.292093] Modules linked in: netdevsim
[    2.292115] CPU: 3 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.292182] Tainted: [W]=WARN
[    2.292206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.292242] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.292277] 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
[    2.292372] RSP: 0018:ff5ad0c1c03779d0 EFLAGS: 00010286
[    2.292401] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.292443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3300
[    2.292477] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c2060030
[    2.292520] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.292561] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3300
[    2.292604] FS:  00007f9f6ab28b80(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000
[    2.292647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.292681] CR2: 000055eade91a8e0 CR3: 0000000005452002 CR4: 0000000000771ef0
[    2.292724] PKRU: 55555554
[    2.292736] Call Trace:
[    2.292751]  <TASK>
[    2.292767]  rtmsg_ifinfo+0x3c/0xa0
[    2.292790]  register_netdevice+0x8e1/0xa70
[    2.292814]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.292846]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.292876]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.292906]  really_probe+0xc9/0x290
[    2.292933]  ? driver_probe_device+0xe0/0xe0
[    2.292959]  __driver_probe_device+0x8d/0x160
[    2.292988]  driver_probe_device+0x1f/0xe0
[    2.293012]  __device_attach_driver+0x71/0x100
[    2.293041]  bus_for_each_drv+0x9d/0x100
[    2.293063]  __device_attach+0xb0/0x1b0
[    2.293094]  device_initial_probe+0x4a/0x70
[    2.293116]  bus_probe_device+0x3c/0xb0
[    2.293147]  device_add+0x675/0x8a0
[    2.293169]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.293199]  kernfs_fop_write_iter+0x151/0x200
[    2.293231]  vfs_write+0x257/0x5c0
[    2.293256]  ksys_write+0x7b/0x110
[    2.293277]  do_syscall_64+0x104/0xfc0
[    2.293305]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.293335] RIP: 0033:0x7f9f6ab9a08e
[    2.293359] 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
[    2.293457] RSP: 002b:00007ffc62acdb40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.293501] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[    2.293542] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[    2.293583] RBP: 00007ffc62acdb50 R08: 0000000000000000 R09: 0000000000000000
[    2.293624] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.293666] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[    2.293709]  </TASK>
[    2.293724] ---[ end trace 0000000000000000 ]---
[    2.294039] ------------[ cut here ]------------
[    2.294068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150
[    2.294138] Modules linked in: netdevsim
[    2.294164] CPU: 3 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.294222] Tainted: [W]=WARN
[    2.294243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.294280] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.294308] 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
[    2.294406] RSP: 0018:ff5ad0c1c03779d0 EFLAGS: 00010286
[    2.294434] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.294474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800
[    2.294518] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c6e52030
[    2.294553] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000
[    2.294599] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d7800
[    2.294642] FS:  00007f9f6ab28b80(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000
[    2.294685] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.294719] CR2: 000055eade91a8e0 CR3: 0000000005452002 CR4: 0000000000771ef0
[    2.294762] PKRU: 55555554
[    2.294781] Call Trace:
[    2.294797]  <TASK>
[    2.294813]  rtmsg_ifinfo+0x3c/0xa0
[    2.294833]  register_netdevice+0x8e1/0xa70
[    2.294857]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.294892]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.294924]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.294954]  really_probe+0xc9/0x290
[    2.294979]  ? driver_probe_device+0xe0/0xe0
[    2.295008]  __driver_probe_device+0x8d/0x160
[    2.295039]  driver_probe_device+0x1f/0xe0
[    2.295061]  __device_attach_driver+0x71/0x100
[    2.295092]  bus_for_each_drv+0x9d/0x100
[    2.295113]  __device_attach+0xb0/0x1b0
[    2.295145]  device_initial_probe+0x4a/0x70
[    2.295168]  bus_probe_device+0x3c/0xb0
[    2.295195]  device_add+0x675/0x8a0
[    2.295219]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.295250]  kernfs_fop_write_iter+0x151/0x200
[    2.295279]  vfs_write+0x257/0x5c0
[    2.295301]  ksys_write+0x7b/0x110
[    2.295324]  do_syscall_64+0x104/0xfc0
[    2.295348]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.295377] RIP: 0033:0x7f9f6ab9a08e
[    2.295399] 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
[    2.295492] RSP: 002b:00007ffc62acdb70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.295536] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[    2.295583] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[    2.295627] RBP: 00007ffc62acdb80 R08: 0000000000000000 R09: 0000000000000000
[    2.295670] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.295713] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[    2.295757]  </TASK>
[    2.295773] ---[ end trace 0000000000000000 ]---
[    2.331114] ------------[ cut here ]------------
[    2.331216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/183
[    2.331315] Modules linked in: netdevsim
[    2.331378] CPU: 2 UID: 0 PID: 183 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.331478] Tainted: [W]=WARN
[    2.331536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.331610] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.331678] 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
[    2.331823] RSP: 0018:ff5ad0c1c03376d8 EFLAGS: 00010286
[    2.331890] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.331971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7600
[    2.332054] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c5504830
[    2.332146] R10: ff369d04c31de118 R11: fefefefefefefeff R12: ff5ad0c1c033778c
[    2.332229] R13: 0000000000000011 R14: ff369d04c31de000 R15: ff369d04c30d7600
[    2.332314] FS:  00007f294bdc7840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000
[    2.332398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.332471] CR2: 000000000db7e988 CR3: 0000000005622003 CR4: 0000000000771ef0
[    2.332556] PKRU: 55555554
[    2.332608] Call Trace:
[    2.332661]  <TASK>
[    2.332714]  rtmsg_ifinfo_newnet+0x33/0x70
[    2.332777]  __dev_change_net_namespace+0x407/0xc50
[    2.332847]  ? rtnl_getlink+0x459/0x5e0
[    2.332908]  do_setlink.isra.0+0xd7/0x1570
[    2.332972]  ? __nla_validate_parse+0x76/0xf20
[    2.333042]  rtnl_newlink+0x9c7/0xe10
[    2.333112]  ? kmalloc_reserve+0xa9/0x170
[    2.333184]  ? do_setlink.isra.0+0x1570/0x1570
[    2.333257]  rtnetlink_rcv_msg+0x39f/0x460
[    2.333321]  ? netlink_unicast+0x306/0x3a0
[    2.333383]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.333453]  netlink_rcv_skb+0xca/0x140
[    2.333516]  netlink_unicast+0x26b/0x3a0
[    2.333579]  netlink_sendmsg+0x1e2/0x430
[    2.333640]  ____sys_sendmsg+0x14c/0x2b0
[    2.333704]  ___sys_sendmsg+0xe1/0x120
[    2.333767]  __sys_sendmsg+0xad/0x100
[    2.333829]  do_syscall_64+0x104/0xfc0
[    2.333892]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.333960] RIP: 0033:0x7f294c00108e
[    2.334021] 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
[    2.334167] RSP: 002b:00007fff28533bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.334247] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f294c00108e
[    2.334329] RDX: 0000000000000000 RSI: 00007fff28533c80 RDI: 0000000000000005
[    2.334409] RBP: 00007fff28533be0 R08: 0000000000000000 R09: 0000000000000000
[    2.334489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a
[    2.334572] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff28534340
[    2.334653]  </TASK>
[    2.334704] ---[ end trace 0000000000000000 ]---
[    2.334847] ------------[ cut here ]------------
[    2.334912] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/183
[    2.335001] Modules linked in: netdevsim
[    2.335062] CPU: 2 UID: 0 PID: 183 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.335179] Tainted: [W]=WARN
[    2.335238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.335312] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.335380] 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
[    2.335523] RSP: 0018:ff5ad0c1c03376c8 EFLAGS: 00010286
[    2.335592] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.335673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d4c00
[    2.335755] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c6e2e030
[    2.335838] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.335919] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d4c00
[    2.336003] FS:  00007f294bdc7840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000
[    2.336094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.336177] CR2: 000000000db7e988 CR3: 0000000005622003 CR4: 0000000000771ef0
[    2.336259] PKRU: 55555554
[    2.336311] Call Trace:
[    2.336363]  <TASK>
[    2.336414]  rtmsg_ifinfo+0x3c/0xa0
[    2.336475]  __dev_change_net_namespace+0x22e/0xc50
[    2.336545]  ? rtnl_getlink+0x459/0x5e0
[    2.336607]  do_setlink.isra.0+0xd7/0x1570
[    2.336669]  ? __nla_validate_parse+0x76/0xf20
[    2.336738]  rtnl_newlink+0x9c7/0xe10
[    2.336800]  ? kmalloc_reserve+0xa9/0x170
[    2.336862]  ? do_setlink.isra.0+0x1570/0x1570
[    2.336935]  rtnetlink_rcv_msg+0x39f/0x460
[    2.336996]  ? netlink_unicast+0x306/0x3a0
[    2.337058]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.337139]  netlink_rcv_skb+0xca/0x140
[    2.337201]  netlink_unicast+0x26b/0x3a0
[    2.337262]  netlink_sendmsg+0x1e2/0x430
[    2.337324]  ____sys_sendmsg+0x14c/0x2b0
[    2.337385]  ___sys_sendmsg+0xe1/0x120
[    2.337448]  __sys_sendmsg+0xad/0x100
[    2.337509]  do_syscall_64+0x104/0xfc0
[    2.337571]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.337639] RIP: 0033:0x7f294c00108e
[    2.337699] 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
[    2.337834] RSP: 002b:00007fff28533bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.337916] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f294c00108e
[    2.337997] RDX: 0000000000000000 RSI: 00007fff28533c80 RDI: 0000000000000005
[    2.338077] RBP: 00007fff28533be0 R08: 0000000000000000 R09: 0000000000000000
[    2.338167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a
[    2.338247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff28534340
[    2.338328]  </TASK>
[    2.338379] ---[ end trace 0000000000000000 ]---
[    2.349786] ------------[ cut here ]------------
[    2.349854] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/185
[    2.349945] Modules linked in: netdevsim
[    2.350006] CPU: 2 UID: 0 PID: 185 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.350112] Tainted: [W]=WARN
[    2.350172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.350244] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.350311] 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
[    2.350452] RSP: 0018:ff5ad0c1c034f720 EFLAGS: 00010286
[    2.350519] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.350601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3200
[    2.350681] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c6e2e030
[    2.350763] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000
[    2.350844] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3200
[    2.350927] FS:  00007f750256f840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000
[    2.351009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.351081] CR2: 0000000028ac1988 CR3: 0000000005540001 CR4: 0000000000771ef0
[    2.351177] PKRU: 55555554
[    2.351229] Call Trace:
[    2.351281]  <TASK>
[    2.351333]  rtmsg_ifinfo+0x3c/0xa0
[    2.351393]  __dev_notify_flags+0xb1/0xf0
[    2.351455]  ? rtnl_getlink+0x456/0x5e0
[    2.351516]  netif_change_flags+0x54/0x70
[    2.351578]  do_setlink.isra.0+0x390/0x1570
[    2.351640]  ? __nla_validate_parse+0x76/0xf20
[    2.351709]  rtnl_newlink+0x9c7/0xe10
[    2.351771]  ? kmalloc_reserve+0xa9/0x170
[    2.351840]  ? do_setlink.isra.0+0x1570/0x1570
[    2.351907]  rtnetlink_rcv_msg+0x39f/0x460
[    2.351968]  ? netlink_unicast+0x306/0x3a0
[    2.352029]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.352109]  netlink_rcv_skb+0xca/0x140
[    2.352172]  netlink_unicast+0x26b/0x3a0
[    2.352234]  netlink_sendmsg+0x1e2/0x430
[    2.352295]  ____sys_sendmsg+0x14c/0x2b0
[    2.352356]  ___sys_sendmsg+0xe1/0x120
[    2.352418]  __sys_sendmsg+0xad/0x100
[    2.352480]  do_syscall_64+0x104/0xfc0
[    2.352541]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.352610] RIP: 0033:0x7f75027a908e
[    2.352671] 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
[    2.352815] RSP: 002b:00007ffd5e5a0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.352898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f75027a908e
[    2.352979] RDX: 0000000000000000 RSI: 00007ffd5e5a0c10 RDI: 0000000000000005
[    2.353061] RBP: 00007ffd5e5a0b70 R08: 0000000000000000 R09: 0000000000000000
[    2.353153] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a
[    2.353235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e5a12d0
[    2.353317]  </TASK>
[    2.353369] ---[ end trace 0000000000000000 ]---
[    2.359251] ------------[ cut here ]------------
[    2.359322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/188
[    2.359415] Modules linked in: netdevsim
[    2.359476] CPU: 2 UID: 0 PID: 188 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.359573] Tainted: [W]=WARN
[    2.359632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.359705] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.359772] 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
[    2.359912] RSP: 0018:ff5ad0c1c0367720 EFLAGS: 00010286
[    2.359980] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.360061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d5d00
[    2.360157] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c6e2e030
[    2.360238] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000
[    2.360319] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d5d00
[    2.360403] FS:  00007f92a2437840(0000) GS:ff369d057ad5a000(0000) knlGS:0000000000000000
[    2.360486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.360558] CR2: 000000003acaa988 CR3: 00000000033b5003 CR4: 0000000000771ef0
[    2.360642] PKRU: 55555554
[    2.360693] Call Trace:
[    2.360744]  <TASK>
[    2.360796]  rtmsg_ifinfo+0x3c/0xa0
[    2.360857]  __dev_notify_flags+0xb1/0xf0
[    2.360918]  ? rtnl_getlink+0x456/0x5e0
[    2.360979]  netif_change_flags+0x54/0x70
[    2.361040]  do_setlink.isra.0+0x390/0x1570
[    2.361110]  ? __nla_validate_parse+0x76/0xf20
[    2.361187]  rtnl_newlink+0x9c7/0xe10
[    2.361257]  ? kmalloc_reserve+0xa9/0x170
[    2.361318]  ? do_setlink.isra.0+0x1570/0x1570
[    2.361388]  rtnetlink_rcv_msg+0x39f/0x460
[    2.361449]  ? netlink_unicast+0x306/0x3a0
[    2.361510]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.361579]  netlink_rcv_skb+0xca/0x140
[    2.361641]  netlink_unicast+0x26b/0x3a0
[    2.361702]  netlink_sendmsg+0x1e2/0x430
[    2.361763]  ____sys_sendmsg+0x14c/0x2b0
[    2.361824]  ___sys_sendmsg+0xe1/0x120
[    2.361886]  __sys_sendmsg+0xad/0x100
[    2.361947]  do_syscall_64+0x104/0xfc0
[    2.362007]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.362075] RIP: 0033:0x7f92a267108e
[    2.362149] 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
[    2.362290] RSP: 002b:00007fffd53fbbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.362371] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f92a267108e
[    2.362452] RDX: 0000000000000000 RSI: 00007fffd53fbc60 RDI: 0000000000000005
[    2.362533] RBP: 00007fffd53fbbc0 R08: 0000000000000000 R09: 0000000000000000
[    2.362614] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc9a
[    2.362695] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd53fc320
[    2.362777]  </TASK>
[    2.362828] ---[ end trace 0000000000000000 ]---
[    2.505039] netconsole selftest: netcons_wDXEq
[    2.573082] netpoll: netconsole: eth0 doesn't exist, aborting
[    2.573133] netconsole: Not enabling netconsole for cmdline0. Netpoll setup failed
[    2.582185] netconsole selftest: netcons_wDXEq
[   22.584894] ------------[ cut here ]------------
[   22.584956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
[   22.585017] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.585069] CPU: 1 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.585135] Tainted: [W]=WARN
[   22.585156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.585201] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.585234] 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
[   22.585328] RSP: 0018:ff5ad0c1c0377b18 EFLAGS: 00010286
[   22.585357] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.585399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500
[   22.585441] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c29dd030
[   22.585489] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000
[   22.585529] R13: 0000000000000010 R14: ff369d04c31de000 R15: ff369d04c30d3500
[   22.585572] FS:  00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000
[   22.585617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.585651] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0
[   22.585693] PKRU: 55555554
[   22.585706] Call Trace:
[   22.585720]  <TASK>
[   22.585736]  rtmsg_ifinfo+0x3c/0xa0
[   22.585760]  netif_close_many+0xed/0x190
[   22.585786]  unregister_netdevice_many_notify+0x118/0xa40
[   22.585816]  ? __destroy_inode+0x1a/0xc0
[   22.585838]  unregister_netdevice_queue+0x9e/0xd0
[   22.585870]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.585899]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.585928]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.585958]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.585987]  device_release_driver_internal+0x19a/0x200
[   22.586021]  bus_remove_device+0xed/0x1b0
[   22.586047]  ? device_remove_attrs+0xb3/0x100
[   22.586081]  device_del+0x158/0x450
[   22.586105]  device_unregister+0x12/0x30
[   22.586127]  del_device_store+0x122/0x190 [netdevsim]
[   22.586158]  kernfs_fop_write_iter+0x151/0x200
[   22.586194]  vfs_write+0x257/0x5c0
[   22.586220]  ksys_write+0x7b/0x110
[   22.586243]  do_syscall_64+0x104/0xfc0
[   22.586269]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.586299] RIP: 0033:0x7f9f6ab9a08e
[   22.586320] 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
[   22.586416] RSP: 002b:00007ffc62ace4e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.586457] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[   22.586496] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[   22.586542] RBP: 00007ffc62ace4f0 R08: 0000000000000000 R09: 0000000000000000
[   22.586585] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.586629] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[   22.586678]  </TASK>
[   22.586693] ---[ end trace 0000000000000000 ]---
[   22.586797] ------------[ cut here ]------------
[   22.586833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
[   22.586882] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.586932] CPU: 1 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.586988] Tainted: [W]=WARN
[   22.587010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.587044] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.587078] 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
[   22.587190] RSP: 0018:ff5ad0c1c0377b88 EFLAGS: 00010286
[   22.587227] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.587270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500
[   22.587313] RBP: 0000000000000000 R08: ff369d04c337b810 R09: ff369d04c31b5030
[   22.587353] R10: ff369d04c31de118 R11: fefefefefefefeff R12: 0000000000000000
[   22.587393] R13: 0000000000000011 R14: ff369d04c31de000 R15: ff369d04c30d3500
[   22.587436] FS:  00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000
[   22.587481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.587514] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0
[   22.587561] PKRU: 55555554
[   22.587574] Call Trace:
[   22.587585]  <TASK>
[   22.587600]  unregister_netdevice_many_notify+0x595/0xa40
[   22.587630]  unregister_netdevice_queue+0x9e/0xd0
[   22.587660]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.587690]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.587717]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.587749]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.587780]  device_release_driver_internal+0x19a/0x200
[   22.587812]  bus_remove_device+0xed/0x1b0
[   22.587833]  ? device_remove_attrs+0xb3/0x100
[   22.587865]  device_del+0x158/0x450
[   22.587888]  device_unregister+0x12/0x30
[   22.587911]  del_device_store+0x122/0x190 [netdevsim]
[   22.587943]  kernfs_fop_write_iter+0x151/0x200
[   22.587974]  vfs_write+0x257/0x5c0
[   22.587999]  ksys_write+0x7b/0x110
[   22.588022]  do_syscall_64+0x104/0xfc0
[   22.588047]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.588074] RIP: 0033:0x7f9f6ab9a08e
[   22.588100] 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
[   22.588205] RSP: 002b:00007ffc62ace4e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.588250] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[   22.588294] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[   22.588339] RBP: 00007ffc62ace4f0 R08: 0000000000000000 R09: 0000000000000000
[   22.588384] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.588434] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[   22.588476]  </TASK>
[   22.588492] ---[ end trace 0000000000000000 ]---
[   22.632234] ------------[ cut here ]------------
[   22.632277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
[   22.632333] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.632388] CPU: 1 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.632448] Tainted: [W]=WARN
[   22.632472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.632507] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.632536] 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
[   22.632631] RSP: 0018:ff5ad0c1c0377b18 EFLAGS: 00010286
[   22.632659] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.632700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500
[   22.632742] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c2062030
[   22.632783] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000
[   22.632822] R13: 0000000000000010 R14: ff369d04c31da000 R15: ff369d04c30d3500
[   22.632865] FS:  00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000
[   22.632909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.632938] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0
[   22.632987] PKRU: 55555554
[   22.633000] Call Trace:
[   22.633015]  <TASK>
[   22.633031]  rtmsg_ifinfo+0x3c/0xa0
[   22.633052]  netif_close_many+0xed/0x190
[   22.633076]  unregister_netdevice_many_notify+0x118/0xa40
[   22.633112]  ? __destroy_inode+0x1a/0xc0
[   22.633133]  unregister_netdevice_queue+0x9e/0xd0
[   22.633162]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.633200]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.633229]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.633254]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.633284]  device_release_driver_internal+0x19a/0x200
[   22.633313]  bus_remove_device+0xed/0x1b0
[   22.633335]  ? device_remove_attrs+0xb3/0x100
[   22.633368]  device_del+0x158/0x450
[   22.633394]  device_unregister+0x12/0x30
[   22.633415]  del_device_store+0x122/0x190 [netdevsim]
[   22.633446]  kernfs_fop_write_iter+0x151/0x200
[   22.633475]  vfs_write+0x257/0x5c0
[   22.633500]  ksys_write+0x7b/0x110
[   22.633526]  do_syscall_64+0x104/0xfc0
[   22.633550]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.633577] RIP: 0033:0x7f9f6ab9a08e
[   22.633602] 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
[   22.633693] RSP: 002b:00007ffc62ace5e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.633733] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[   22.633773] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[   22.633815] RBP: 00007ffc62ace5f0 R08: 0000000000000000 R09: 0000000000000000
[   22.633857] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.633897] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[   22.633940]  </TASK>
[   22.633954] ---[ end trace 0000000000000000 ]---
[   22.634060] ------------[ cut here ]------------
[   22.634092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: bash/150
[   22.634144] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.634198] CPU: 1 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.634252] Tainted: [W]=WARN
[   22.634272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.634307] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.634336] 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
[   22.634430] RSP: 0018:ff5ad0c1c0377b88 EFLAGS: 00010286
[   22.634457] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.634499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d3500
[   22.634539] RBP: 0000000000000000 R08: ff369d04c2aeacd0 R09: ff369d04c5507030
[   22.634590] R10: ff369d04c31da118 R11: fefefefefefefeff R12: 0000000000000000
[   22.634633] R13: 0000000000000011 R14: ff369d04c31da000 R15: ff369d04c30d3500
[   22.634676] FS:  00007f9f6ab28b80(0000) GS:ff369d057acda000(0000) knlGS:0000000000000000
[   22.634712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.634749] CR2: 000055eaeda83f8c CR3: 0000000005452003 CR4: 0000000000771ef0
[   22.634789] PKRU: 55555554
[   22.634802] Call Trace:
[   22.634817]  <TASK>
[   22.634832]  unregister_netdevice_many_notify+0x595/0xa40
[   22.634860]  unregister_netdevice_queue+0x9e/0xd0
[   22.634888]  nsim_destroy+0x91/0x200 [netdevsim]
[   22.634917]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   22.634946]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   22.634977]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   22.635004]  device_release_driver_internal+0x19a/0x200
[   22.635030]  bus_remove_device+0xed/0x1b0
[   22.635053]  ? device_remove_attrs+0xb3/0x100
[   22.635081]  device_del+0x158/0x450
[   22.635104]  device_unregister+0x12/0x30
[   22.635124]  del_device_store+0x122/0x190 [netdevsim]
[   22.635154]  kernfs_fop_write_iter+0x151/0x200
[   22.635188]  vfs_write+0x257/0x5c0
[   22.635213]  ksys_write+0x7b/0x110
[   22.635233]  do_syscall_64+0x104/0xfc0
[   22.635253]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.635281] RIP: 0033:0x7f9f6ab9a08e
[   22.635300] 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
[   22.635394] RSP: 002b:00007ffc62ace5e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.635436] RAX: ffffffffffffffda RBX: 00007f9f6ad1c580 RCX: 00007f9f6ab9a08e
[   22.635477] RDX: 0000000000000004 RSI: 000055eaeda3d1f0 RDI: 0000000000000001
[   22.635521] RBP: 00007ffc62ace5f0 R08: 0000000000000000 R09: 0000000000000000
[   22.635561] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.635601] R13: 0000000000000004 R14: 000055eaeda3d1f0 R15: 0000000000000000
[   22.635639]  </TASK>
[   22.635652] ---[ end trace 0000000000000000 ]---
[   22.690903] ------------[ cut here ]------------
[   22.690942] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:0/12
[   22.691007] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.691058] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.691127] Tainted: [W]=WARN
[   22.691150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.691191] Workqueue: netns cleanup_net
[   22.691219] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.691250] 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
[   22.691351] RSP: 0018:ff5ad0c1c0067c08 EFLAGS: 00010286
[   22.691381] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   22.691430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800
[   22.691475] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c19bb02c
[   22.691520] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000
[   22.691555] R13: 0000000000000010 R14: ff369d04c6e29000 R15: ff369d04c30d7800
[   22.691602] FS:  0000000000000000(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000
[   22.691651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.691691] CR2: 00007f0a63e5b620 CR3: 0000000037642003 CR4: 0000000000771ef0
[   22.691735] PKRU: 55555554
[   22.691750] Call Trace:
[   22.691766]  <TASK>
[   22.691781]  rtmsg_ifinfo+0x3c/0xa0
[   22.691806]  netif_close_many+0xed/0x190
[   22.691831]  unregister_netdevice_many_notify+0x215/0xa40
[   22.691863]  default_device_exit_batch+0x328/0x3a0
[   22.691891]  ops_undo_list+0x10b/0x240
[   22.691919]  cleanup_net+0x1d7/0x2e0
[   22.691942]  process_one_work+0x162/0x360
[   22.691967]  worker_thread+0x16e/0x2d0
[   22.691991]  ? rescuer_thread+0x510/0x510
[   22.692015]  kthread+0xe1/0x120
[   22.692037]  ? kthread_park+0xa0/0xa0
[   22.692059]  ret_from_fork+0x16d/0x250
[   22.692084]  ? kthread_park+0xa0/0xa0
[   22.692110]  ret_from_fork_asm+0x11/0x20
[   22.692136]  </TASK>
[   22.692152] ---[ end trace 0000000000000000 ]---
[   22.692344] ------------[ cut here ]------------
[   22.692381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:0/12
[   22.692456] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[   22.692501] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   22.692556] Tainted: [W]=WARN
[   22.692577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.692610] Workqueue: netns cleanup_net
[   22.692633] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   22.692664] 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
[   22.692763] RSP: 0018:ff5ad0c1c0067c78 EFLAGS: 00010286
[   22.692789] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.692832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff369d04c30d7800
[   22.692873] RBP: 0000000000000000 R08: ff369d04c335ac10 R09: ff369d04c6e3502c
[   22.692917] R10: ff369d04c6e29118 R11: fefefefefefefeff R12: 0000000000000000
[   22.692960] R13: 0000000000000011 R14: ff369d04c6e29000 R15: ff369d04c30d7800
[   22.693003] FS:  0000000000000000(0000) GS:ff369d057adda000(0000) knlGS:0000000000000000
[   22.693044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.693078] CR2: 00007f0a63e5b620 CR3: 0000000037642003 CR4: 0000000000771ef0
[   22.693123] PKRU: 55555554
[   22.693137] Call Trace:
[   22.693151]  <TASK>
[   22.693166]  unregister_netdevice_many_notify+0x595/0xa40
[   22.693203]  default_device_exit_batch+0x328/0x3a0
[   22.693230]  ops_undo_list+0x10b/0x240
[   22.693251]  cleanup_net+0x1d7/0x2e0
[   22.693273]  process_one_work+0x162/0x360
[   22.693296]  worker_thread+0x16e/0x2d0
[   22.693320]  ? rescuer_thread+0x510/0x510
[   22.693342]  kthread+0xe1/0x120
[   22.693363]  ? kthread_park+0xa0/0xa0
[   22.693386]  ret_from_fork+0x16d/0x250
[   22.693405]  ? kthread_park+0xa0/0xa0
[   22.693426]  ret_from_fork_asm+0x11/0x20
[   22.693450]  </TASK>
[   22.693464] ---[ end trace 0000000000000000 ]---