[ 2.292185] ------------[ cut here ]------------
[ 2.292237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/168
[ 2.292293] Modules linked in:
[ 2.292315] CPU: 3 UID: 0 PID: 168 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.292372] Tainted: [W]=WARN
[ 2.292394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.292430] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.292462] 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
[ 2.292560] RSP: 0018:ff56fe98c0427cc8 EFLAGS: 00010286
[ 2.292588] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.292622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018b5500
[ 2.292664] RBP: 0000000000000000 R08: ff355f76018ba410 R09: ff355f760604b02c
[ 2.292709] R10: ff355f76032ae118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.292751] R13: 0000000000000010 R14: ff355f76032ae000 R15: ff355f76018b5500
[ 2.292794] FS: 00007fc749bc4840(0000) GS:ff355f76b49d5000(0000) knlGS:0000000000000000
[ 2.292839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.292875] CR2: 0000000000479648 CR3: 00000000048e4004 CR4: 0000000000771ef0
[ 2.292917] PKRU: 55555554
[ 2.292933] Call Trace:
[ 2.292950]
[ 2.292965] rtmsg_ifinfo+0x3c/0xa0
[ 2.292988] register_netdevice+0x8e1/0xa70
[ 2.293010] register_netdev+0x1e/0x30
[ 2.293031] loopback_net_init+0x57/0xb0
[ 2.293056] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.293080] ops_init+0x68/0x140
[ 2.293104] setup_net+0x85/0x150
[ 2.293125] copy_net_ns+0xf5/0x200
[ 2.293146] create_new_namespaces+0x117/0x2f0
[ 2.293181] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.293208] ksys_unshare+0x346/0x5e0
[ 2.293233] __x64_sys_unshare+0x12/0x20
[ 2.293251] do_syscall_64+0x104/0xfc0
[ 2.293275] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.293306] RIP: 0033:0x7fc749e86bcb
[ 2.293330] 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
[ 2.293422] RSP: 002b:00007ffd471d6078 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 2.293461] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc749e86bcb
[ 2.293504] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 2.293544] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 2.293583] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd471d82a0
[ 2.293626] R13: 0000000000000001 R14: 00007fc749bc46f8 R15: 00007ffd471d88a3
[ 2.293668]
[ 2.293684] ---[ end trace 0000000000000000 ]---
[ 2.309490] ------------[ cut here ]------------
[ 2.309530] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: python3/167
[ 2.309591] Modules linked in: netdevsim
[ 2.309616] CPU: 0 UID: 0 PID: 167 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.309672] Tainted: [W]=WARN
[ 2.309692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.309728] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.309758] 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
[ 2.309851] RSP: 0018:ff56fe98c03979d0 EFLAGS: 00010286
[ 2.309879] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.309932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76032d9d00
[ 2.309973] RBP: 0000000000000000 R08: ff355f760301ac10 R09: ff355f7602ace030
[ 2.310016] R10: ff355f7601988118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.310058] R13: 0000000000000010 R14: ff355f7601988000 R15: ff355f76032d9d00
[ 2.310106] FS: 00007fe265da0400(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000
[ 2.310148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.310186] CR2: 00007fe2661a10a1 CR3: 00000000018e6003 CR4: 0000000000771ef0
[ 2.310230] PKRU: 55555554
[ 2.310244] Call Trace:
[ 2.310261]
[ 2.310277] rtmsg_ifinfo+0x3c/0xa0
[ 2.310304] register_netdevice+0x8e1/0xa70
[ 2.310332] nsim_create+0x319/0x410 [netdevsim]
[ 2.310363] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 2.310395] nsim_drv_probe+0x655/0x750 [netdevsim]
[ 2.310423] really_probe+0xc9/0x290
[ 2.310448] ? driver_probe_device+0xe0/0xe0
[ 2.310473] __driver_probe_device+0x8d/0x160
[ 2.310501] driver_probe_device+0x1f/0xe0
[ 2.310523] __device_attach_driver+0x71/0x100
[ 2.310554] bus_for_each_drv+0x9d/0x100
[ 2.310573] __device_attach+0xb0/0x1b0
[ 2.310593] device_initial_probe+0x4a/0x70
[ 2.310613] bus_probe_device+0x3c/0xb0
[ 2.310640] device_add+0x675/0x8a0
[ 2.310663] new_device_store+0x19b/0x2b0 [netdevsim]
[ 2.310693] kernfs_fop_write_iter+0x151/0x200
[ 2.310719] vfs_write+0x257/0x5c0
[ 2.310743] ksys_write+0x7b/0x110
[ 2.310763] do_syscall_64+0x104/0xfc0
[ 2.310782] ? __sysvec_call_function_single+0x20/0xd0
[ 2.310814] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.310843] RIP: 0033:0x7fe265f2808e
[ 2.310864] 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
[ 2.310963] RSP: 002b:00007ffdba32e6e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 2.311004] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe265f2808e
[ 2.311043] RDX: 0000000000000009 RSI: 000055df242fc620 RDI: 0000000000000006
[ 2.311085] RBP: 00007ffdba32e6f0 R08: 0000000000000000 R09: 0000000000000000
[ 2.311126] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe265da0390
[ 2.311171] R13: 000055df242fc620 R14: 0000000000000006 R15: 00007fe265d2d0d0
[ 2.311212]
[ 2.311225] ---[ end trace 0000000000000000 ]---
[ 2.501079] ------------[ cut here ]------------
[ 2.501127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65
[ 2.501195] Modules linked in: netdevsim
[ 2.501221] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.501277] Tainted: [W]=WARN
[ 2.501299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.501335] Workqueue: netns cleanup_net
[ 2.501360] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.501388] 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
[ 2.501482] RSP: 0018:ff56fe98c023fc78 EFLAGS: 00010286
[ 2.501515] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.501556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76032d9d00
[ 2.501597] RBP: 0000000000000000 R08: ff355f76018ba410 R09: ff355f760603902c
[ 2.501636] R10: ff355f76032ae118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.501679] R13: 0000000000000011 R14: ff355f76032ae000 R15: ff355f76032d9d00
[ 2.501731] FS: 0000000000000000(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000
[ 2.501778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.501812] CR2: 00007fe264bf8a10 CR3: 00000000018e6003 CR4: 0000000000771ef0
[ 2.501856] PKRU: 55555554
[ 2.501870] Call Trace:
[ 2.501886]
[ 2.501902] unregister_netdevice_many_notify+0x595/0xa40
[ 2.501939] default_device_exit_batch+0x328/0x3a0
[ 2.501967] ops_undo_list+0x10b/0x240
[ 2.501989] cleanup_net+0x1d7/0x2e0
[ 2.502012] process_one_work+0x162/0x360
[ 2.502036] worker_thread+0x16e/0x2d0
[ 2.502059] ? rescuer_thread+0x510/0x510
[ 2.502081] kthread+0xe1/0x120
[ 2.502106] ? kthread_park+0xa0/0xa0
[ 2.502127] ret_from_fork+0x16d/0x250
[ 2.502150] ? kthread_park+0xa0/0xa0
[ 2.502172] ret_from_fork_asm+0x11/0x20
[ 2.502196]
[ 2.502209] ---[ end trace 0000000000000000 ]---