[ 4.594197] netconsole: network logging started
[ 4.597855] ------------[ cut here ]------------
[ 4.597892] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/344
[ 4.597959] Modules linked in: netconsole netdevsim
[ 4.597991] CPU: 0 UID: 0 PID: 344 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 4.598049] Tainted: [W]=WARN
[ 4.598070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4.598106] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 4.598140] 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
[ 4.598241] RSP: 0018:ff56fe98c046fcc8 EFLAGS: 00010286
[ 4.598264] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 4.598310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018b5400
[ 4.598352] RBP: 0000000000000000 R08: ff355f76048bbc50 R09: ff355f760604d02c
[ 4.598392] R10: ff355f7602acd118 R11: fefefefefefefeff R12: 0000000000000000
[ 4.598434] R13: 0000000000000010 R14: ff355f7602acd000 R15: ff355f76018b5400
[ 4.598478] FS: 00007f1ded1be840(0000) GS:ff355f76b4855000(0000) knlGS:0000000000000000
[ 4.598519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.598553] CR2: 00007f1ded3bfc20 CR3: 0000000004b56006 CR4: 0000000000771ef0
[ 4.598595] PKRU: 55555554
[ 4.598609] Call Trace:
[ 4.598625]
[ 4.598640] rtmsg_ifinfo+0x3c/0xa0
[ 4.598662] register_netdevice+0x8e1/0xa70
[ 4.598686] register_netdev+0x1e/0x30
[ 4.598709] loopback_net_init+0x57/0xb0
[ 4.598733] ? vsock_sysctl_init_net+0xb6/0x140
[ 4.598761] ops_init+0x68/0x140
[ 4.598779] setup_net+0x85/0x150
[ 4.598801] copy_net_ns+0xf5/0x200
[ 4.598822] create_new_namespaces+0x117/0x2f0
[ 4.598854] unshare_nsproxy_namespaces+0x85/0xb0
[ 4.598880] ksys_unshare+0x346/0x5e0
[ 4.598900] __x64_sys_unshare+0x12/0x20
[ 4.598924] do_syscall_64+0x104/0xfc0
[ 4.598947] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 4.598981] RIP: 0033:0x7f1ded480bcb
[ 4.599013] 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
[ 4.599108] RSP: 002b:00007ffdf030ce58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 4.599150] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ded480bcb
[ 4.599194] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 4.599233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[ 4.599280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf030f080
[ 4.599319] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf031088f
[ 4.599361]
[ 4.599376] ---[ end trace 0000000000000000 ]---
[ 4.599900] ------------[ cut here ]------------
[ 4.599941] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: python3/342
[ 4.599993] Modules linked in: netconsole netdevsim
[ 4.600024] CPU: 3 UID: 0 PID: 342 Comm: python3 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 4.600087] Tainted: [W]=WARN
[ 4.600109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4.600141] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 4.600171] 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
[ 4.600273] RSP: 0018:ff56fe98c056f9d0 EFLAGS: 00010286
[ 4.600303] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 4.600349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76032cd900
[ 4.600388] RBP: 0000000000000000 R08: ff355f76048d6e90 R09: ff355f76032ab030
[ 4.600430] R10: ff355f7606066118 R11: fefefefefefefeff R12: 0000000000000000
[ 4.600470] R13: 0000000000000010 R14: ff355f7606066000 R15: ff355f76032cd900
[ 4.600514] FS: 00007f2ab6ddf400(0000) GS:ff355f76b49d5000(0000) knlGS:0000000000000000
[ 4.600558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.600594] CR2: 00005648bfb79888 CR3: 0000000004927006 CR4: 0000000000771ef0
[ 4.600635] PKRU: 55555554
[ 4.600651] Call Trace:
[ 4.600666]
[ 4.600682] rtmsg_ifinfo+0x3c/0xa0
[ 4.600703] register_netdevice+0x8e1/0xa70
[ 4.600727] nsim_create+0x319/0x410 [netdevsim]
[ 4.600753] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 4.600781] nsim_drv_probe+0x655/0x750 [netdevsim]
[ 4.600811] really_probe+0xc9/0x290
[ 4.600836] ? driver_probe_device+0xe0/0xe0
[ 4.600863] __driver_probe_device+0x8d/0x160
[ 4.600886] driver_probe_device+0x1f/0xe0
[ 4.600909] __device_attach_driver+0x71/0x100
[ 4.600939] bus_for_each_drv+0x9d/0x100
[ 4.600961] __device_attach+0xb0/0x1b0
[ 4.600982] device_initial_probe+0x4a/0x70
[ 4.601004] bus_probe_device+0x3c/0xb0
[ 4.601027] device_add+0x675/0x8a0
[ 4.601049] new_device_store+0x19b/0x2b0 [netdevsim]
[ 4.601077] kernfs_fop_write_iter+0x151/0x200
[ 4.601112] vfs_write+0x257/0x5c0
[ 4.601136] ksys_write+0x7b/0x110
[ 4.601155] do_syscall_64+0x104/0xfc0
[ 4.601181] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 4.601209] RIP: 0033:0x7f2ab6f6708e
[ 4.601232] 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
[ 4.601325] RSP: 002b:00007ffee2f979e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 4.601366] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2ab6f6708e
[ 4.601410] RDX: 0000000000000008 RSI: 00005648bfb71250 RDI: 0000000000000006
[ 4.601455] RBP: 00007ffee2f979f0 R08: 0000000000000000 R09: 0000000000000000
[ 4.601496] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2ab6ddf390
[ 4.601538] R13: 00005648bfb71250 R14: 0000000000000006 R15: 00007f2ab6d6d0d0
[ 4.601583]
[ 4.601595] ---[ end trace 0000000000000000 ]---
[ 4.644865] ------------[ cut here ]------------
[ 4.644944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: kworker/u16:1/65
[ 4.645045] Modules linked in: netconsole netdevsim
[ 4.645116] CPU: 2 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 4.645226] Tainted: [W]=WARN
[ 4.645301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4.645375] Workqueue: netns cleanup_net
[ 4.645441] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 4.645504] 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
[ 4.645654] RSP: 0018:ff56fe98c023fc78 EFLAGS: 00010286
[ 4.645741] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 4.645821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff355f76018b5200
[ 4.645914] RBP: 0000000000000000 R08: ff355f76048bbc50 R09: ff355f7604b2b02c
[ 4.645997] R10: ff355f7602acd118 R11: fefefefefefefeff R12: 0000000000000000
[ 4.646085] R13: 0000000000000011 R14: ff355f7602acd000 R15: ff355f76018b5200
[ 4.646171] FS: 0000000000000000(0000) GS:ff355f76b4955000(0000) knlGS:0000000000000000
[ 4.646281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.646358] CR2: 00007fec8a47b2a0 CR3: 0000000024642005 CR4: 0000000000771ef0
[ 4.646444] PKRU: 55555554
[ 4.646490] Call Trace:
[ 4.646547]
[ 4.646593] unregister_netdevice_many_notify+0x595/0xa40
[ 4.646668] default_device_exit_batch+0x328/0x3a0
[ 4.646730] ops_undo_list+0x10b/0x240
[ 4.646802] cleanup_net+0x1d7/0x2e0
[ 4.646880] process_one_work+0x162/0x360
[ 4.646958] worker_thread+0x16e/0x2d0
[ 4.647019] ? rescuer_thread+0x510/0x510
[ 4.647086] kthread+0xe1/0x120
[ 4.647143] ? kthread_park+0xa0/0xa0
[ 4.647217] ret_from_fork+0x16d/0x250
[ 4.647283] ? kthread_park+0xa0/0xa0
[ 4.647342] ret_from_fork_asm+0x11/0x20
[ 4.647409]
[ 4.647458] ---[ end trace 0000000000000000 ]---