[ 47.776636] ------------[ cut here ]------------
[ 47.776722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/205
[ 47.776812] Modules linked in:
[ 47.776871] CPU: 2 UID: 0 PID: 205 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.776962] Tainted: [W]=WARN
[ 47.777016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.777085] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.777156] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 47.777287] RSP: 0018:ff73bf808043fcc8 EFLAGS: 00010286
[ 47.777350] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.777425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35f00
[ 47.777500] RBP: 0000000000000000 R08: ff1350b5418f5490 R09: ff1350b542ebf02c
[ 47.777579] R10: ff1350b544c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.777655] R13: 0000000000000010 R14: ff1350b544c8c000 R15: ff1350b541d35f00
[ 47.777736] FS: 00007ff6782e2740(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 47.777814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.777882] CR2: 00007ff6784a4280 CR3: 0000000004d1b006 CR4: 0000000000771ef0
[ 47.777959] PKRU: 55555554
[ 47.778006] Call Trace:
[ 47.778055]
[ 47.778116] rtmsg_ifinfo+0x3c/0xa0
[ 47.778174] register_netdevice+0x889/0x9f0
[ 47.778231] register_netdev+0x1e/0x30
[ 47.778287] loopback_net_init+0x57/0xb0
[ 47.778346] ? vsock_sysctl_init_net+0xb6/0x140
[ 47.778411] ops_init+0x68/0x140
[ 47.778469] setup_net+0x85/0x150
[ 47.778531] copy_net_ns+0xf5/0x200
[ 47.778589] create_new_namespaces+0x117/0x2f0
[ 47.778653] unshare_nsproxy_namespaces+0x85/0xb0
[ 47.778716] ksys_unshare+0x346/0x5e0
[ 47.778774] __x64_sys_unshare+0x12/0x20
[ 47.778830] do_syscall_64+0x104/0xfc0
[ 47.778888] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.778952] RIP: 0033:0x7ff6783ddbcb
[ 47.779008] 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
[ 47.779146] RSP: 002b:00007ffddf739928 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 47.779222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6783ddbcb
[ 47.779298] RDX: 0000000000000000 RSI: 00007ffddf739690 RDI: 0000000040000000
[ 47.779372] RBP: 00007ffddf739cb0 R08: 00007ffddf739880 R09: 0000000000000000
[ 47.779447] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 47.779522] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000561742041b68
[ 47.779604]
[ 47.779651] ---[ end trace 0000000000000000 ]---
[ 47.780350] ------------[ cut here ]------------
[ 47.780415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/205
[ 47.780501] Modules linked in:
[ 47.780568] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.780671] Tainted: [W]=WARN
[ 47.780729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.780804] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.780874] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 47.781003] RSP: 0018:ff73bf808043fd68 EFLAGS: 00010286
[ 47.781065] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.781145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35f00
[ 47.781219] RBP: 0000000000000000 R08: ff1350b543237d90 R09: ff1350b542ebc030
[ 47.781296] R10: ff1350b5433b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.781370] R13: 0000000000000010 R14: ff1350b5433b8000 R15: ff1350b541d35f00
[ 47.781450] FS: 0000000009d01400(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 47.781537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.781609] CR2: 00007faf04c3b000 CR3: 0000000003147001 CR4: 0000000000771ef0
[ 47.781689] PKRU: 55555554
[ 47.781737] Call Trace:
[ 47.781784]
[ 47.781832] rtmsg_ifinfo+0x3c/0xa0
[ 47.781888] register_netdevice+0x889/0x9f0
[ 47.781944] __tun_chr_ioctl+0x83c/0x16c0
[ 47.782003] ? do_sys_openat2+0x9a/0xe0
[ 47.782061] __x64_sys_ioctl+0xa1/0xe0
[ 47.782122] do_syscall_64+0x104/0xfc0
[ 47.782180] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.782243] RIP: 0033:0x47cc8d
[ 47.782298] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 47.782429] RSP: 002b:00007fffa37e7b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.782504] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.782585] RDX: 00007fffa37e7bf0 RSI: 00000000400454ca RDI: 0000000000000005
[ 47.782660] RBP: 00007fffa37e7bc0 R08: 0000000000000000 R09: 0000000000000000
[ 47.782734] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa37e80c8
[ 47.782809] R13: 00007fffa37e8148 R14: 0000000000000002 R15: 0000000000543540
[ 47.782885]
[ 47.782932] ---[ end trace 0000000000000000 ]---
[ 47.783013] ------------[ cut here ]------------
[ 47.783075] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/205
[ 47.783173] Modules linked in:
[ 47.783228] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.783319] Tainted: [W]=WARN
[ 47.783373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.783440] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.783502] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 47.783638] RSP: 0018:ff73bf808043fd60 EFLAGS: 00010286
[ 47.783699] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 47.783773] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35f00
[ 47.783849] RBP: 0000000000000002 R08: ff1350b543237d90 R09: ff1350b542ebc030
[ 47.783922] R10: ff1350b5433b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.783997] R13: 0000000000000010 R14: ff1350b5433b8000 R15: ff1350b541d35f00
[ 47.784074] FS: 0000000009d01400(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 47.784156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.784223] CR2: 00007faf04c3b000 CR3: 0000000003147001 CR4: 0000000000771ef0
[ 47.784302] PKRU: 55555554
[ 47.784349] Call Trace:
[ 47.784397]
[ 47.784445] rtnetlink_event+0x6e/0xb0
[ 47.784501] notifier_call_chain+0x6d/0x100
[ 47.784564] netdev_update_features+0x56/0x60
[ 47.784628] __tun_chr_ioctl+0xbf1/0x16c0
[ 47.784684] ? file_init_path+0x62/0x120
[ 47.784742] __x64_sys_ioctl+0xa1/0xe0
[ 47.784798] do_syscall_64+0x104/0xfc0
[ 47.784854] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.784916] RIP: 0033:0x47cc8d
[ 47.784971] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 47.785108] RSP: 002b:00007fffa37e7bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.785185] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.785260] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 47.785334] RBP: 00007fffa37e7c00 R08: 0000000000000000 R09: 0000000000000000
[ 47.785409] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa37e80c8
[ 47.785483] R13: 00007fffa37e8148 R14: 0000000000000002 R15: 0000000000543540
[ 47.785563]
[ 47.785611] ---[ end trace 0000000000000000 ]---
[ 47.785697] ------------[ cut here ]------------
[ 47.785763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/205
[ 47.785852] Modules linked in:
[ 47.785913] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.786014] Tainted: [W]=WARN
[ 47.786072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.786150] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.786219] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 47.786348] RSP: 0018:ff73bf808043fc10 EFLAGS: 00010286
[ 47.786417] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 47.786499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35f00
[ 47.786580] RBP: 0000000000000000 R08: ff1350b543237d90 R09: ff1350b5477e3030
[ 47.786661] R10: ff1350b5433b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.786738] R13: 0000000000000010 R14: ff1350b5433b8000 R15: ff1350b541d35f00
[ 47.786821] FS: 0000000009d01400(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 47.786900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.786978] CR2: 00007faf04c3b000 CR3: 0000000003147001 CR4: 0000000000771ef0
[ 47.787058] PKRU: 55555554
[ 47.787115] Call Trace:
[ 47.787166]
[ 47.787217] rtmsg_ifinfo+0x3c/0xa0
[ 47.787277] __dev_notify_flags+0xb1/0xf0
[ 47.787335] netif_change_flags+0x54/0x70
[ 47.787392] dev_change_flags+0x45/0x80
[ 47.787449] devinet_ioctl+0x607/0x7f0
[ 47.787508] inet_ioctl+0x229/0x240
[ 47.787575] ? __rtnl_unlock+0x35/0x60
[ 47.787632] sock_do_ioctl+0x75/0x140
[ 47.787691] __x64_sys_ioctl+0xa1/0xe0
[ 47.787747] do_syscall_64+0x104/0xfc0
[ 47.787803] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.787866] RIP: 0033:0x47cc8d
[ 47.787921] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 47.788050] RSP: 002b:00007fffa37e7b90 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.788135] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.788211] RDX: 00007fffa37e7c00 RSI: 0000000000008914 RDI: 0000000000000006
[ 47.788287] RBP: 00007fffa37e7be0 R08: 0000000000000000 R09: 0000000000000000
[ 47.788363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffa37e80c8
[ 47.788438] R13: 00007fffa37e8148 R14: 0000000000000002 R15: 0000000000543540
[ 47.788515]
[ 47.788567] ---[ end trace 0000000000000000 ]---
[ 92.762409] ------------[ cut here ]------------
[ 92.762538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/205
[ 92.762642] Modules linked in:
[ 92.762701] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.762826] Tainted: [W]=WARN
[ 92.762883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.762956] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.763020] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 92.763403] RSP: 0018:ff73bf808043fb58 EFLAGS: 00010286
[ 92.763476] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 92.763553] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35e00
[ 92.763638] RBP: 0000000000000000 R08: ff1350b543237d90 R09: ff1350b5477e3030
[ 92.763716] R10: ff1350b5433b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.763792] R13: 0000000000000010 R14: ff1350b5433b8000 R15: ff1350b541d35e00
[ 92.763872] FS: 0000000000000000(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 92.763950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.764018] CR2: 00007faf04c3b000 CR3: 0000000029a42002 CR4: 0000000000771ef0
[ 92.764103] PKRU: 55555554
[ 92.764152] Call Trace:
[ 92.764203]
[ 92.764252] rtmsg_ifinfo+0x3c/0xa0
[ 92.764310] netif_close_many+0xed/0x190
[ 92.764369] unregister_netdevice_many_notify+0x267/0x9d0
[ 92.764435] ? __queue_work+0x141/0x550
[ 92.764494] unregister_netdevice_queue+0x9e/0xd0
[ 92.764559] __tun_detach+0x591/0x5b0
[ 92.764619] tun_chr_close+0x3f/0xc0
[ 92.764681] __fput+0xe8/0x2c0
[ 92.764741] task_work_run+0x63/0xa0
[ 92.764799] do_exit+0x2c1/0xba0
[ 92.764857] do_group_exit+0x2d/0xc0
[ 92.764914] get_signal+0x82e/0x900
[ 92.764972] ? netlink_bind+0x3d2/0x420
[ 92.765031] arch_do_signal_or_restart+0x77/0x2b0
[ 92.765104] ? __sys_bind+0xc1/0x120
[ 92.765163] exit_to_user_mode_loop+0x75/0x4a0
[ 92.765229] do_syscall_64+0x439/0xfc0
[ 92.765288] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 92.765353] RIP: 0033:0x47e7bb
[ 92.765409] Code: Unable to access opcode bytes at 0x47e791.
[ 92.765478] RSP: 002b:00007fffa37e7618 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
[ 92.765555] RAX: 0000000000000000 RBX: 00007fffa37e76f0 RCX: 000000000047e7bb
[ 92.765638] RDX: 000000000000000c RSI: 00007fffa37e762c RDI: 0000000000000007
[ 92.765715] RBP: 00007fffa37e7650 R08: 0000000000000041 R09: 0000000009d023e0
[ 92.765792] R10: 0000000000000040 R11: 0000000000000246 R12: 00007fffa37e80c8
[ 92.765868] R13: 00007fffa37e8148 R14: 00007fffa37e7bc8 R15: 0000000000543540
[ 92.765945]
[ 92.765994] ---[ end trace 0000000000000000 ]---
[ 92.766146] ------------[ cut here ]------------
[ 92.766241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/205
[ 92.766333] Modules linked in:
[ 92.766390] CPU: 2 UID: 0 PID: 205 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.766482] Tainted: [W]=WARN
[ 92.766537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.766607] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.766676] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 92.766808] RSP: 0018:ff73bf808043fbc8 EFLAGS: 00010286
[ 92.766871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 92.766947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b541d35e00
[ 92.767022] RBP: 0000000000000000 R08: ff1350b543237d90 R09: ff1350b543275830
[ 92.767185] R10: ff1350b5433b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.767265] R13: 0000000000000011 R14: ff1350b5433b8000 R15: ff1350b541d35e00
[ 92.767344] FS: 0000000000000000(0000) GS:ff1350b5ddd96000(0000) knlGS:0000000000000000
[ 92.767421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.767490] CR2: 00007faf04c3b000 CR3: 0000000029a42003 CR4: 0000000000771ef0
[ 92.767569] PKRU: 55555554
[ 92.767616] Call Trace:
[ 92.767672]
[ 92.767721] unregister_netdevice_many_notify+0x877/0x9d0
[ 92.767785] unregister_netdevice_queue+0x9e/0xd0
[ 92.767848] __tun_detach+0x591/0x5b0
[ 92.767906] tun_chr_close+0x3f/0xc0
[ 92.767967] __fput+0xe8/0x2c0
[ 92.768025] task_work_run+0x63/0xa0
[ 92.768082] do_exit+0x2c1/0xba0
[ 92.768145] do_group_exit+0x2d/0xc0
[ 92.768202] get_signal+0x82e/0x900
[ 92.768260] ? netlink_bind+0x3d2/0x420
[ 92.768330] arch_do_signal_or_restart+0x77/0x2b0
[ 92.768396] ? __sys_bind+0xc1/0x120
[ 92.768454] exit_to_user_mode_loop+0x75/0x4a0
[ 92.768518] do_syscall_64+0x439/0xfc0
[ 92.768574] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 92.768644] RIP: 0033:0x47e7bb
[ 92.768701] Code: Unable to access opcode bytes at 0x47e791.
[ 92.768770] RSP: 002b:00007fffa37e7618 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
[ 92.768848] RAX: 0000000000000000 RBX: 00007fffa37e76f0 RCX: 000000000047e7bb
[ 92.768926] RDX: 000000000000000c RSI: 00007fffa37e762c RDI: 0000000000000007
[ 92.769005] RBP: 00007fffa37e7650 R08: 0000000000000041 R09: 0000000009d023e0
[ 92.769081] R10: 0000000000000040 R11: 0000000000000246 R12: 00007fffa37e80c8
[ 92.769162] R13: 00007fffa37e8148 R14: 00007fffa37e7bc8 R15: 0000000000543540
[ 92.769239]
[ 92.769286] ---[ end trace 0000000000000000 ]---
[ 92.782197] ------------[ cut here ]------------
[ 92.782243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[ 92.782306] Modules linked in:
[ 92.782331] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.782386] Tainted: [W]=WARN
[ 92.782409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.782444] Workqueue: netns cleanup_net
[ 92.782468] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.782498] Code: 80 00 00 00 e8 59 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 b2 fb ff b9 a6 ff ff
[ 92.782593] RSP: 0018:ff73bf8080067c78 EFLAGS: 00010286
[ 92.782622] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 92.782667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543149e00
[ 92.782712] RBP: 0000000000000000 R08: ff1350b5418f5490 R09: ff1350b544d0602c
[ 92.782757] R10: ff1350b544c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.782802] R13: 0000000000000011 R14: ff1350b544c8c000 R15: ff1350b543149e00
[ 92.782847] FS: 0000000000000000(0000) GS:ff1350b5ddc96000(0000) knlGS:0000000000000000
[ 92.782891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.782928] CR2: 00007fce40c15f98 CR3: 0000000029a42006 CR4: 0000000000771ef0
[ 92.782971] PKRU: 55555554
[ 92.782987] Call Trace:
[ 92.783002]
[ 92.783022] unregister_netdevice_many_notify+0x877/0x9d0
[ 92.783055] default_device_exit_batch+0x318/0x390
[ 92.783084] ops_undo_list+0x10b/0x240
[ 92.783111] cleanup_net+0x1d7/0x2e0
[ 92.783132] process_one_work+0x162/0x360
[ 92.783158] worker_thread+0x16e/0x2d0
[ 92.783181] ? rescuer_thread+0x510/0x510
[ 92.783204] kthread+0xe1/0x120
[ 92.783229] ? kthread_park+0xa0/0xa0
[ 92.783252] ret_from_fork+0x16d/0x250
[ 92.783276] ? kthread_park+0xa0/0xa0
[ 92.783304] ret_from_fork_asm+0x11/0x20
[ 92.783328]
[ 92.783344] ---[ end trace 0000000000000000 ]---