[ 16.302789] ------------[ cut here ]------------
[ 16.302837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/1324
[ 16.302888] Modules linked in: netconsole netdevsim
[ 16.302925] CPU: 3 UID: 0 PID: 1324 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 16.302978] Tainted: [W]=WARN
[ 16.303002] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.303036] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 16.303066] 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 76 a5 fb ff b9 a6 ff ff
[ 16.303159] RSP: 0018:ff56fe98c0febcc8 EFLAGS: 00010286
[ 16.303187] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 16.303226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f7601906f00
[ 16.303266] RBP: 0000000000000000 R08: ff355f76048db650 R09: ff355f760c06902c
[ 16.303309] R10: ff355f7602eac118 R11: fefefefefefefeff R12: 0000000000000000
[ 16.303346] R13: 0000000000000010 R14: ff355f7602eac000 R15: ff355f7601906f00
[ 16.303388] FS: 00007f994ca9a840(0000) GS:ff355f76b49d5000(0000) knlGS:0000000000000000
[ 16.303436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.303467] CR2: 00007f994cc9bc20 CR3: 000000000c0c7005 CR4: 0000000000771ef0
[ 16.303505] PKRU: 55555554
[ 16.303519] Call Trace:
[ 16.303535]
[ 16.303549] rtmsg_ifinfo+0x3c/0xa0
[ 16.303571] register_netdevice+0x8e1/0xa70
[ 16.303593] register_netdev+0x1e/0x30
[ 16.303615] loopback_net_init+0x57/0xb0
[ 16.303638] ? vsock_sysctl_init_net+0xb6/0x140
[ 16.303666] ops_init+0x68/0x140
[ 16.303687] setup_net+0x85/0x150
[ 16.303707] copy_net_ns+0xf5/0x200
[ 16.303728] create_new_namespaces+0x117/0x2f0
[ 16.303756] unshare_nsproxy_namespaces+0x85/0xb0
[ 16.303781] ksys_unshare+0x346/0x5e0
[ 16.303803] __x64_sys_unshare+0x12/0x20
[ 16.303824] do_syscall_64+0x104/0xfc0
[ 16.303847] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.303875] RIP: 0033:0x7f994cd5cbcb
[ 16.303898] 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
[ 16.303986] RSP: 002b:00007fffbedd57c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 16.304024] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f994cd5cbcb
[ 16.304063] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 16.304099] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[ 16.304138] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffbedd79f0
[ 16.304176] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbedd889d
[ 16.304214]
[ 16.304233] ---[ end trace 0000000000000000 ]---
[ 16.304798] ------------[ cut here ]------------
[ 16.304867] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: python3/1323
[ 16.304970] Modules linked in: netconsole netdevsim
[ 16.305032] CPU: 2 UID: 0 PID: 1323 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 16.305131] Tainted: [W]=WARN
[ 16.305191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.305259] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 16.305330] 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 76 a5 fb ff b9 a6 ff ff
[ 16.305454] RSP: 0018:ff56fe98c0fab9d0 EFLAGS: 00010286
[ 16.305519] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 16.305597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018e4600
[ 16.305675] RBP: 0000000000000000 R08: ff355f76048b6410 R09: ff355f76032a8030
[ 16.305754] R10: ff355f7606196118 R11: fefefefefefefeff R12: 0000000000000000
[ 16.305831] R13: 0000000000000010 R14: ff355f7606196000 R15: ff355f76018e4600
[ 16.305907] FS: 00007f89b3eb3400(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000
[ 16.305986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.306057] CR2: 000055cf4fc3f628 CR3: 000000000c2d1001 CR4: 0000000000771ef0
[ 16.306135] PKRU: 55555554
[ 16.306184] Call Trace:
[ 16.306235]
[ 16.306291] rtmsg_ifinfo+0x3c/0xa0
[ 16.306351] register_netdevice+0x8e1/0xa70
[ 16.306411] nsim_create+0x319/0x410 [netdevsim]
[ 16.306484] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 16.306556] nsim_drv_probe+0x655/0x750 [netdevsim]
[ 16.306623] really_probe+0xc9/0x290
[ 16.306687] ? driver_probe_device+0xe0/0xe0
[ 16.306754] __driver_probe_device+0x8d/0x160
[ 16.306818] driver_probe_device+0x1f/0xe0
[ 16.306877] __device_attach_driver+0x71/0x100
[ 16.306949] bus_for_each_drv+0x9d/0x100
[ 16.307010] __device_attach+0xb0/0x1b0
[ 16.307073] device_initial_probe+0x4a/0x70
[ 16.307136] bus_probe_device+0x3c/0xb0
[ 16.307199] device_add+0x675/0x8a0
[ 16.307261] new_device_store+0x19b/0x2b0 [netdevsim]
[ 16.307336] kernfs_fop_write_iter+0x151/0x200
[ 16.307407] vfs_write+0x257/0x5c0
[ 16.307472] ksys_write+0x7b/0x110
[ 16.307535] do_syscall_64+0x104/0xfc0
[ 16.307598] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 16.307666] RIP: 0033:0x7f89b403b08e
[ 16.307728] 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 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 16.307857] RSP: 002b:00007fffa5f838d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 16.307938] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f89b403b08e
[ 16.308017] RDX: 0000000000000009 RSI: 000055cf4fbf6dc0 RDI: 0000000000000006
[ 16.308096] RBP: 00007fffa5f838e0 R08: 0000000000000000 R09: 0000000000000000
[ 16.308174] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f89b3eb3390
[ 16.308247] R13: 000055cf4fbf6dc0 R14: 0000000000000006 R15: 00007f89b3e410d0
[ 16.308328]
[ 16.308376] ---[ end trace 0000000000000000 ]---
[ 16.354953] ------------[ cut here ]------------
[ 16.355036] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[ 16.355147] Modules linked in: netconsole netdevsim
[ 16.355224] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 16.355319] Tainted: [W]=WARN
[ 16.355370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.355438] Workqueue: netns cleanup_net
[ 16.355499] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 16.355563] 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 76 a5 fb ff b9 a6 ff ff
[ 16.355707] RSP: 0018:ff56fe98c023fc78 EFLAGS: 00010286
[ 16.355767] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 16.355846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018e4600
[ 16.355930] RBP: 0000000000000000 R08: ff355f76048db650 R09: ff355f7604b2b02c
[ 16.356023] R10: ff355f7602eac118 R11: fefefefefefefeff R12: 0000000000000000
[ 16.356114] R13: 0000000000000011 R14: ff355f7602eac000 R15: ff355f76018e4600
[ 16.356205] FS: 0000000000000000(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000
[ 16.356294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 16.356367] CR2: 000055cf4fcb66b8 CR3: 000000000c2d1001 CR4: 0000000000771ef0
[ 16.356447] PKRU: 55555554
[ 16.356493] Call Trace:
[ 16.356551]
[ 16.356609] unregister_netdevice_many_notify+0x595/0xa40
[ 16.356688] default_device_exit_batch+0x328/0x3a0
[ 16.356767] ops_undo_list+0x10b/0x240
[ 16.356843] cleanup_net+0x1d7/0x2e0
[ 16.356918] process_one_work+0x162/0x360
[ 16.357002] worker_thread+0x16e/0x2d0
[ 16.357084] ? rescuer_thread+0x510/0x510
[ 16.357154] kthread+0xe1/0x120
[ 16.357212] ? kthread_park+0xa0/0xa0
[ 16.357293] ret_from_fork+0x16d/0x250
[ 16.357365] ? kthread_park+0xa0/0xa0
[ 16.357428] ret_from_fork_asm+0x11/0x20
[ 16.357500]
[ 16.357559] ---[ end trace 0000000000000000 ]---