[ 2.377402] ------------[ cut here ]------------
[ 2.377493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/167
[ 2.377582] Modules linked in:
[ 2.377638] CPU: 2 UID: 0 PID: 167 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.377728] Tainted: [W]=WARN
[ 2.377781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.377855] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.377917] 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
[ 2.378053] RSP: 0018:ff911e308030bcc8 EFLAGS: 00010286
[ 2.378114] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.378189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff487fd742fa3400
[ 2.378269] RBP: 0000000000000000 R08: ff487fd74311b1d0 R09: ff487fd7445ca02c
[ 2.378342] R10: ff487fd7430b5118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.378415] R13: 0000000000000010 R14: ff487fd7430b5000 R15: ff487fd742fa3400
[ 2.378493] FS: 00007fe2f26d4840(0000) GS:ff487fd7e5b55000(0000) knlGS:0000000000000000
[ 2.378569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.378635] CR2: 0000000000479648 CR3: 0000000004789006 CR4: 0000000000771ef0
[ 2.378711] PKRU: 55555554
[ 2.378757] Call Trace:
[ 2.378810]
[ 2.378858] rtmsg_ifinfo+0x3c/0xa0
[ 2.378913] register_netdevice+0x8e1/0xa70
[ 2.378970] register_netdev+0x1e/0x30
[ 2.379025] loopback_net_init+0x57/0xb0
[ 2.379082] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.379145] ops_init+0x68/0x140
[ 2.379206] setup_net+0x85/0x150
[ 2.379267] copy_net_ns+0xf5/0x200
[ 2.379322] create_new_namespaces+0x117/0x2f0
[ 2.379386] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.379447] ksys_unshare+0x346/0x5e0
[ 2.379504] __x64_sys_unshare+0x12/0x20
[ 2.379559] do_syscall_64+0x104/0xfc0
[ 2.379615] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.379677] RIP: 0033:0x7fe2f2996bcb
[ 2.379731] 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
[ 2.379864] RSP: 002b:00007ffeeef37d08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 2.379937] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe2f2996bcb
[ 2.380010] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 2.380083] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 2.380155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeeef39f30
[ 2.380229] R13: 0000000000000001 R14: 00007fe2f26d46f8 R15: 00007ffeeef3a88f
[ 2.380306]
[ 2.380353] ---[ end trace 0000000000000000 ]---
[ 2.396467] ------------[ cut here ]------------
[ 2.396504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: python3/166
[ 2.396560] Modules linked in: netdevsim
[ 2.396582] CPU: 0 UID: 0 PID: 166 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.396646] Tainted: [W]=WARN
[ 2.396666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.396701] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.396725] 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
[ 2.396825] RSP: 0018:ff911e30803e79d0 EFLAGS: 00010286
[ 2.396858] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.396901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff487fd7426ca700
[ 2.396948] RBP: 0000000000000000 R08: ff487fd743309250 R09: ff487fd7430a6030
[ 2.396992] R10: ff487fd74198a118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.397035] R13: 0000000000000010 R14: ff487fd74198a000 R15: ff487fd7426ca700
[ 2.397078] FS: 00007f8c1c23c400(0000) GS:ff487fd7e5a55000(0000) knlGS:0000000000000000
[ 2.397117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.397144] CR2: 00007f8c1c63d0a1 CR3: 0000000004622004 CR4: 0000000000771ef0
[ 2.397189] PKRU: 55555554
[ 2.397202] Call Trace:
[ 2.397216]
[ 2.397229] rtmsg_ifinfo+0x3c/0xa0
[ 2.397254] register_netdevice+0x8e1/0xa70
[ 2.397277] nsim_create+0x319/0x410 [netdevsim]
[ 2.397310] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 2.397339] nsim_drv_probe+0x655/0x750 [netdevsim]
[ 2.397368] really_probe+0xc9/0x290
[ 2.397393] ? driver_probe_device+0xe0/0xe0
[ 2.397422] __driver_probe_device+0x8d/0x160
[ 2.397452] driver_probe_device+0x1f/0xe0
[ 2.397475] __device_attach_driver+0x71/0x100
[ 2.397506] bus_for_each_drv+0x9d/0x100
[ 2.397528] __device_attach+0xb0/0x1b0
[ 2.397552] device_initial_probe+0x4a/0x70
[ 2.397574] bus_probe_device+0x3c/0xb0
[ 2.397600] device_add+0x675/0x8a0
[ 2.397622] new_device_store+0x19b/0x2b0 [netdevsim]
[ 2.397652] kernfs_fop_write_iter+0x151/0x200
[ 2.397681] vfs_write+0x257/0x5c0
[ 2.397706] ksys_write+0x7b/0x110
[ 2.397728] do_syscall_64+0x104/0xfc0
[ 2.397750] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.397779] RIP: 0033:0x7f8c1c3c408e
[ 2.397803] 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
[ 2.397901] RSP: 002b:00007ffc6189c7f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 2.397942] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8c1c3c408e
[ 2.397985] RDX: 0000000000000009 RSI: 000055efd6dab8e0 RDI: 0000000000000006
[ 2.398026] RBP: 00007ffc6189c800 R08: 0000000000000000 R09: 0000000000000000
[ 2.398066] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8c1c23c390
[ 2.398109] R13: 000055efd6dab8e0 R14: 0000000000000006 R15: 00007f8c1c1c90d0
[ 2.398152]
[ 2.398170] ---[ end trace 0000000000000000 ]---
[ 2.519589] ------------[ cut here ]------------
[ 2.519637] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 2.519697] Modules linked in: netdevsim
[ 2.519723] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.519779] Tainted: [W]=WARN
[ 2.519799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.519835] Workqueue: netns cleanup_net
[ 2.519859] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.519887] 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
[ 2.519965] RSP: 0018:ff911e3080237c78 EFLAGS: 00010286
[ 2.519993] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.520034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff487fd74332ab00
[ 2.520075] RBP: 0000000000000000 R08: ff487fd74311b1d0 R09: ff487fd7445c482c
[ 2.520113] R10: ff487fd7430b5118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.520152] R13: 0000000000000011 R14: ff487fd7430b5000 R15: ff487fd74332ab00
[ 2.520194] FS: 0000000000000000(0000) GS:ff487fd7e5a55000(0000) knlGS:0000000000000000
[ 2.520236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.520279] CR2: 00007fa8a2d71690 CR3: 0000000004442002 CR4: 0000000000771ef0
[ 2.520322] PKRU: 55555554
[ 2.520335] Call Trace:
[ 2.520348]
[ 2.520364] unregister_netdevice_many_notify+0x595/0xa40
[ 2.520393] default_device_exit_batch+0x328/0x3a0
[ 2.520423] ops_undo_list+0x10b/0x240
[ 2.520447] cleanup_net+0x1d7/0x2e0
[ 2.520468] process_one_work+0x162/0x360
[ 2.520492] worker_thread+0x16e/0x2d0
[ 2.520512] ? rescuer_thread+0x510/0x510
[ 2.520536] kthread+0xe1/0x120
[ 2.520555] ? kthread_park+0xa0/0xa0
[ 2.520575] ret_from_fork+0x16d/0x250
[ 2.520598] ? kthread_park+0xa0/0xa0
[ 2.520616] ret_from_fork_asm+0x11/0x20
[ 2.520638]
[ 2.520651] ---[ end trace 0000000000000000 ]---