[ 8.055908] ------------[ cut here ]------------
[ 8.055960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/634
[ 8.056018] Modules linked in: netconsole netdevsim
[ 8.056050] CPU: 0 UID: 0 PID: 634 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 8.056110] Tainted: [W]=WARN
[ 8.056130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.056163] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 8.056192] 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
[ 8.056294] RSP: 0018:ff56fe98c07e3cc8 EFLAGS: 00010286
[ 8.056328] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 8.056369] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018f3800
[ 8.056408] RBP: 0000000000000000 R08: ff355f76048bb990 R09: ff355f760c14402c
[ 8.056449] R10: ff355f760c147118 R11: fefefefefefefeff R12: 0000000000000000
[ 8.056494] R13: 0000000000000010 R14: ff355f760c147000 R15: ff355f76018f3800
[ 8.056538] FS: 00007f2eef02b840(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000
[ 8.056580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.056616] CR2: 00007f2eef22cc20 CR3: 000000000c0cb004 CR4: 0000000000771ef0
[ 8.056665] PKRU: 55555554
[ 8.056678] Call Trace:
[ 8.056698]
[ 8.056714] rtmsg_ifinfo+0x3c/0xa0
[ 8.056734] register_netdevice+0x8e1/0xa70
[ 8.056756] register_netdev+0x1e/0x30
[ 8.056776] loopback_net_init+0x57/0xb0
[ 8.056798] ? vsock_sysctl_init_net+0xb6/0x140
[ 8.056829] ops_init+0x68/0x140
[ 8.056851] setup_net+0x85/0x150
[ 8.056872] copy_net_ns+0xf5/0x200
[ 8.056890] create_new_namespaces+0x117/0x2f0
[ 8.056924] unshare_nsproxy_namespaces+0x85/0xb0
[ 8.056954] ksys_unshare+0x346/0x5e0
[ 8.056978] __x64_sys_unshare+0x12/0x20
[ 8.056999] do_syscall_64+0x104/0xfc0
[ 8.057021] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.057053] RIP: 0033:0x7f2eef2edbcb
[ 8.057073] 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
[ 8.057174] RSP: 002b:00007ffe80dfec98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 8.057218] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2eef2edbcb
[ 8.057262] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 8.057304] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[ 8.057344] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe80e00ec0
[ 8.057388] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe80e0189b
[ 8.057430]
[ 8.057445] ---[ end trace 0000000000000000 ]---
[ 8.057897] ------------[ cut here ]------------
[ 8.057935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: python3/633
[ 8.057990] Modules linked in: netconsole netdevsim
[ 8.058016] CPU: 3 UID: 0 PID: 633 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 8.058071] Tainted: [W]=WARN
[ 8.058094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.058129] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 8.058159] 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
[ 8.058259] RSP: 0018:ff56fe98c07b39d0 EFLAGS: 00010286
[ 8.058288] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 8.058331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018b5e00
[ 8.058371] RBP: 0000000000000000 R08: ff355f7602fd7210 R09: ff355f760c142030
[ 8.058409] R10: ff355f760c138118 R11: fefefefefefefeff R12: 0000000000000000
[ 8.058447] R13: 0000000000000010 R14: ff355f760c138000 R15: ff355f76018b5e00
[ 8.058489] FS: 00007f9ad8a58400(0000) GS:ff355f76b49d5000(0000) knlGS:0000000000000000
[ 8.058534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.058568] CR2: 0000562734e61cd8 CR3: 0000000003317004 CR4: 0000000000771ef0
[ 8.058610] PKRU: 55555554
[ 8.058625] Call Trace:
[ 8.058640]
[ 8.058657] rtmsg_ifinfo+0x3c/0xa0
[ 8.058679] register_netdevice+0x8e1/0xa70
[ 8.058704] nsim_create+0x319/0x410 [netdevsim]
[ 8.058735] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 8.058766] nsim_drv_probe+0x655/0x750 [netdevsim]
[ 8.058795] really_probe+0xc9/0x290
[ 8.058820] ? driver_probe_device+0xe0/0xe0
[ 8.058844] __driver_probe_device+0x8d/0x160
[ 8.058873] driver_probe_device+0x1f/0xe0
[ 8.058896] __device_attach_driver+0x71/0x100
[ 8.058931] bus_for_each_drv+0x9d/0x100
[ 8.058950] __device_attach+0xb0/0x1b0
[ 8.058973] device_initial_probe+0x4a/0x70
[ 8.058998] bus_probe_device+0x3c/0xb0
[ 8.059018] device_add+0x675/0x8a0
[ 8.059040] new_device_store+0x19b/0x2b0 [netdevsim]
[ 8.059073] kernfs_fop_write_iter+0x151/0x200
[ 8.059104] vfs_write+0x257/0x5c0
[ 8.059129] ksys_write+0x7b/0x110
[ 8.059150] do_syscall_64+0x104/0xfc0
[ 8.059172] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 8.059203] RIP: 0033:0x7f9ad8be008e
[ 8.059228] 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
[ 8.059322] RSP: 002b:00007ffe4499d0e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 8.059369] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ad8be008e
[ 8.059407] RDX: 0000000000000009 RSI: 0000562734e19470 RDI: 0000000000000006
[ 8.059445] RBP: 00007ffe4499d0f0 R08: 0000000000000000 R09: 0000000000000000
[ 8.059485] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9ad8a58390
[ 8.059525] R13: 0000562734e19470 R14: 0000000000000006 R15: 00007f9ad89e50d0
[ 8.059569]
[ 8.059582] ---[ end trace 0000000000000000 ]---
[ 8.123151] ------------[ cut here ]------------
[ 8.123240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[ 8.123357] Modules linked in: netconsole netdevsim
[ 8.123429] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 8.123539] Tainted: [W]=WARN
[ 8.123598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 8.123677] Workqueue: netns cleanup_net
[ 8.123741] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 8.123803] 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
[ 8.123971] RSP: 0018:ff56fe98c023fc78 EFLAGS: 00010286
[ 8.124042] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 8.124117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f7601890b00
[ 8.124213] RBP: 0000000000000000 R08: ff355f76048bb990 R09: ff355f760603e02c
[ 8.124297] R10: ff355f760c147118 R11: fefefefefefefeff R12: 0000000000000000
[ 8.124379] R13: 0000000000000011 R14: ff355f760c147000 R15: ff355f7601890b00
[ 8.124459] FS: 0000000000000000(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000
[ 8.124552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.124632] CR2: 00007f573b15b2a0 CR3: 0000000024642006 CR4: 0000000000771ef0
[ 8.124732] PKRU: 55555554
[ 8.124777] Call Trace:
[ 8.124826]
[ 8.124884] unregister_netdevice_many_notify+0x595/0xa40
[ 8.124968] default_device_exit_batch+0x328/0x3a0
[ 8.125038] ops_undo_list+0x10b/0x240
[ 8.125103] cleanup_net+0x1d7/0x2e0
[ 8.125165] process_one_work+0x162/0x360
[ 8.125243] worker_thread+0x16e/0x2d0
[ 8.125314] ? rescuer_thread+0x510/0x510
[ 8.125377] kthread+0xe1/0x120
[ 8.125441] ? kthread_park+0xa0/0xa0
[ 8.125514] ret_from_fork+0x16d/0x250
[ 8.125588] ? kthread_park+0xa0/0xa0
[ 8.125650] ret_from_fork_asm+0x11/0x20
[ 8.125713]
[ 8.125768] ---[ end trace 0000000000000000 ]---
[ 8.176937] clocksource: Watchdog remote CPU 3 read timed out