[ 47.755530] ------------[ cut here ]------------
[ 47.755582] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/204
[ 47.755647] Modules linked in:
[ 47.755674] CPU: 0 UID: 0 PID: 204 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.755733] Tainted: [W]=WARN
[ 47.755755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.755793] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.755826] 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
[ 47.755931] RSP: 0018:ff71f0c380293cc8 EFLAGS: 00010286
[ 47.755960] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.756009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c500
[ 47.756048] RBP: 0000000000000000 R08: ff232310830e6610 R09: ff232310819be02c
[ 47.756089] R10: ff232310819b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.756130] R13: 0000000000000010 R14: ff232310819b8000 R15: ff2323108314c500
[ 47.756188] FS: 00007f62442e5740(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 47.756233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.756271] CR2: 00007f62443b0820 CR3: 000000000193a001 CR4: 0000000000771ef0
[ 47.756317] PKRU: 55555554
[ 47.756331] Call Trace:
[ 47.756347]
[ 47.756363] rtmsg_ifinfo+0x3c/0xa0
[ 47.756390] register_netdevice+0x889/0x9f0
[ 47.756412] register_netdev+0x1e/0x30
[ 47.756434] loopback_net_init+0x57/0xb0
[ 47.756455] ? vsock_sysctl_init_net+0xb6/0x140
[ 47.756485] ops_init+0x68/0x140
[ 47.756510] setup_net+0x85/0x150
[ 47.756533] copy_net_ns+0xf5/0x200
[ 47.756554] create_new_namespaces+0x117/0x2f0
[ 47.756581] unshare_nsproxy_namespaces+0x85/0xb0
[ 47.756610] ksys_unshare+0x346/0x5e0
[ 47.756634] __x64_sys_unshare+0x12/0x20
[ 47.756660] do_syscall_64+0x104/0xfc0
[ 47.756683] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.756711] RIP: 0033:0x7f62443e0bcb
[ 47.756736] 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
[ 47.756829] RSP: 002b:00007ffee137b238 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 47.756870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62443e0bcb
[ 47.756910] RDX: 0000000000000000 RSI: 00007ffee137afa0 RDI: 0000000040000000
[ 47.756954] RBP: 00007ffee137b5c0 R08: 00007ffee137b190 R09: 0000000000000000
[ 47.757000] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 47.757043] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000558f016b6b68
[ 47.757087]
[ 47.757100] ---[ end trace 0000000000000000 ]---
[ 47.757751] ------------[ cut here ]------------
[ 47.757791] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/204
[ 47.757844] Modules linked in:
[ 47.757867] CPU: 0 UID: 0 PID: 204 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.757924] Tainted: [W]=WARN
[ 47.757946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.757978] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.758016] 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
[ 47.758114] RSP: 0018:ff71f0c380293d68 EFLAGS: 00010286
[ 47.758144] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.758192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c500
[ 47.758234] RBP: 0000000000000000 R08: ff232310832145d0 R09: ff2323108448b030
[ 47.758275] R10: ff232310845cc118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.758315] R13: 0000000000000010 R14: ff232310845cc000 R15: ff2323108314c500
[ 47.758362] FS: 0000000033063400(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 47.758406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.758440] CR2: 00007f6a4b015000 CR3: 0000000004503002 CR4: 0000000000771ef0
[ 47.758483] PKRU: 55555554
[ 47.758497] Call Trace:
[ 47.758512]
[ 47.758525] rtmsg_ifinfo+0x3c/0xa0
[ 47.758549] register_netdevice+0x889/0x9f0
[ 47.758572] __tun_chr_ioctl+0x83c/0x16c0
[ 47.758596] ? do_sys_openat2+0x9a/0xe0
[ 47.758621] __x64_sys_ioctl+0xa1/0xe0
[ 47.758644] do_syscall_64+0x104/0xfc0
[ 47.758672] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.758705] RIP: 0033:0x47cc8d
[ 47.758727] 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
[ 47.758829] RSP: 002b:00007fff4a9ce7b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.758871] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.758910] RDX: 00007fff4a9ce830 RSI: 00000000400454ca RDI: 0000000000000005
[ 47.758949] RBP: 00007fff4a9ce800 R08: 0000000000000000 R09: 0000000000000000
[ 47.758989] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4a9ced08
[ 47.759035] R13: 00007fff4a9ced88 R14: 0000000000000002 R15: 0000000000543540
[ 47.759069]
[ 47.759084] ---[ end trace 0000000000000000 ]---
[ 47.759130] ------------[ cut here ]------------
[ 47.759159] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/204
[ 47.759213] Modules linked in:
[ 47.759236] CPU: 0 UID: 0 PID: 204 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.759291] Tainted: [W]=WARN
[ 47.759317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.759353] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.759378] 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
[ 47.759473] RSP: 0018:ff71f0c380293d60 EFLAGS: 00010286
[ 47.759499] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 47.759540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c500
[ 47.759580] RBP: 0000000000000002 R08: ff232310832145d0 R09: ff2323108448b030
[ 47.759621] R10: ff232310845cc118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.759662] R13: 0000000000000010 R14: ff232310845cc000 R15: ff2323108314c500
[ 47.759704] FS: 0000000033063400(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 47.759738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.759773] CR2: 00007f6a4b015000 CR3: 0000000004503002 CR4: 0000000000771ef0
[ 47.759813] PKRU: 55555554
[ 47.759826] Call Trace:
[ 47.759846]
[ 47.759860] rtnetlink_event+0x6e/0xb0
[ 47.759884] notifier_call_chain+0x6d/0x100
[ 47.759906] netdev_update_features+0x56/0x60
[ 47.759931] __tun_chr_ioctl+0xbf1/0x16c0
[ 47.759952] ? file_init_path+0x62/0x120
[ 47.759976] __x64_sys_ioctl+0xa1/0xe0
[ 47.760000] do_syscall_64+0x104/0xfc0
[ 47.760024] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.760052] RIP: 0033:0x47cc8d
[ 47.760072] 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
[ 47.760170] RSP: 002b:00007fff4a9ce7f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.760212] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.760254] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 47.760297] RBP: 00007fff4a9ce840 R08: 0000000000000000 R09: 0000000000000000
[ 47.760337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4a9ced08
[ 47.760379] R13: 00007fff4a9ced88 R14: 0000000000000002 R15: 0000000000543540
[ 47.760422]
[ 47.760437] ---[ end trace 0000000000000000 ]---
[ 47.760477] ------------[ cut here ]------------
[ 47.760507] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/204
[ 47.760555] Modules linked in:
[ 47.760577] CPU: 0 UID: 0 PID: 204 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.760640] Tainted: [W]=WARN
[ 47.760661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.760697] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.760728] 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
[ 47.760821] RSP: 0018:ff71f0c380293c10 EFLAGS: 00010286
[ 47.760848] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 47.760883] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c500
[ 47.760930] RBP: 0000000000000000 R08: ff232310832145d0 R09: ff23231086ceb030
[ 47.760970] R10: ff232310845cc118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.761021] R13: 0000000000000010 R14: ff232310845cc000 R15: ff2323108314c500
[ 47.761064] FS: 0000000033063400(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 47.761108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.761137] CR2: 00007f6a4b015000 CR3: 0000000004503002 CR4: 0000000000771ef0
[ 47.761187] PKRU: 55555554
[ 47.761203] Call Trace:
[ 47.761218]
[ 47.761231] rtmsg_ifinfo+0x3c/0xa0
[ 47.761254] __dev_notify_flags+0xb1/0xf0
[ 47.761279] netif_change_flags+0x54/0x70
[ 47.761300] dev_change_flags+0x45/0x80
[ 47.761322] devinet_ioctl+0x607/0x7f0
[ 47.761344] inet_ioctl+0x229/0x240
[ 47.761371] ? __rtnl_unlock+0x35/0x60
[ 47.761393] sock_do_ioctl+0x75/0x140
[ 47.761414] __x64_sys_ioctl+0xa1/0xe0
[ 47.761438] do_syscall_64+0x104/0xfc0
[ 47.761460] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.761489] RIP: 0033:0x47cc8d
[ 47.761512] 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
[ 47.761604] RSP: 002b:00007fff4a9ce7d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 47.761648] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 47.761687] RDX: 00007fff4a9ce840 RSI: 0000000000008914 RDI: 0000000000000006
[ 47.761727] RBP: 00007fff4a9ce820 R08: 0000000000000000 R09: 0000000000000000
[ 47.761766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4a9ced08
[ 47.761807] R13: 00007fff4a9ced88 R14: 0000000000000002 R15: 0000000000543540
[ 47.761846]
[ 47.761858] ---[ end trace 0000000000000000 ]---
[ 92.741230] ------------[ cut here ]------------
[ 92.741311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/204
[ 92.741368] Modules linked in:
[ 92.741397] CPU: 0 UID: 0 PID: 204 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.741462] Tainted: [W]=WARN
[ 92.741483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.741522] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.741548] 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
[ 92.741647] RSP: 0018:ff71f0c380293b58 EFLAGS: 00010286
[ 92.741679] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 92.741723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c300
[ 92.741763] RBP: 0000000000000000 R08: ff232310832145d0 R09: ff23231086ceb030
[ 92.741802] R10: ff232310845cc118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.741845] R13: 0000000000000010 R14: ff232310845cc000 R15: ff2323108314c300
[ 92.741891] FS: 0000000000000000(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 92.741938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.741977] CR2: 00007f6a4b015000 CR3: 0000000020c42003 CR4: 0000000000771ef0
[ 92.742022] PKRU: 55555554
[ 92.742037] Call Trace:
[ 92.742054]
[ 92.742070] rtmsg_ifinfo+0x3c/0xa0
[ 92.742092] netif_close_many+0xed/0x190
[ 92.742116] unregister_netdevice_many_notify+0x267/0x9d0
[ 92.742145] ? __queue_work+0x141/0x550
[ 92.742169] unregister_netdevice_queue+0x9e/0xd0
[ 92.742198] __tun_detach+0x591/0x5b0
[ 92.742225] tun_chr_close+0x3f/0xc0
[ 92.742244] __fput+0xe8/0x2c0
[ 92.742269] task_work_run+0x63/0xa0
[ 92.742299] do_exit+0x2c1/0xba0
[ 92.742324] ? netlink_dump+0x336/0x450
[ 92.742348] do_group_exit+0x2d/0xc0
[ 92.742371] get_signal+0x82e/0x900
[ 92.742396] arch_do_signal_or_restart+0x77/0x2b0
[ 92.742428] exit_to_user_mode_loop+0x75/0x4a0
[ 92.742460] do_syscall_64+0x439/0xfc0
[ 92.742485] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 92.742516] RIP: 0033:0x4c2d9e
[ 92.742538] Code: Unable to access opcode bytes at 0x4c2d74.
[ 92.742573] RSP: 002b:00007fff4a9ce160 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 92.742617] RAX: 0000000000000050 RBX: 00007fff4a9ce1f0 RCX: 00000000004c2d9e
[ 92.742660] RDX: 0000000000000000 RSI: 00007fff4a9ce200 RDI: 0000000000000007
[ 92.742704] RBP: 00007fff4a9ce170 R08: 0000000000000000 R09: 0000000000000000
[ 92.742748] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4a9ce1e4
[ 92.742789] R13: 00007fff4a9ced88 R14: 00007fff4a9ce330 R15: 0000000000543540
[ 92.742827]
[ 92.742840] ---[ end trace 0000000000000000 ]---
[ 92.742940] ------------[ cut here ]------------
[ 92.742969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/204
[ 92.743024] Modules linked in:
[ 92.743047] CPU: 0 UID: 0 PID: 204 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.743105] Tainted: [W]=WARN
[ 92.743125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.743159] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.743187] 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
[ 92.743286] RSP: 0018:ff71f0c380293bc8 EFLAGS: 00010286
[ 92.743315] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 92.743358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c300
[ 92.743399] RBP: 0000000000000000 R08: ff232310832145d0 R09: ff232310830dd030
[ 92.743441] R10: ff232310845cc118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.743485] R13: 0000000000000011 R14: ff232310845cc000 R15: ff2323108314c300
[ 92.743525] FS: 0000000000000000(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 92.743566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.743603] CR2: 00007f6a4b015000 CR3: 0000000020c42003 CR4: 0000000000771ef0
[ 92.743643] PKRU: 55555554
[ 92.743656] Call Trace:
[ 92.743671]
[ 92.743686] unregister_netdevice_many_notify+0x877/0x9d0
[ 92.743717] unregister_netdevice_queue+0x9e/0xd0
[ 92.743751] __tun_detach+0x591/0x5b0
[ 92.743773] tun_chr_close+0x3f/0xc0
[ 92.743792] __fput+0xe8/0x2c0
[ 92.743815] task_work_run+0x63/0xa0
[ 92.743837] do_exit+0x2c1/0xba0
[ 92.743858] ? netlink_dump+0x336/0x450
[ 92.743878] do_group_exit+0x2d/0xc0
[ 92.743899] get_signal+0x82e/0x900
[ 92.743919] arch_do_signal_or_restart+0x77/0x2b0
[ 92.743950] exit_to_user_mode_loop+0x75/0x4a0
[ 92.743980] do_syscall_64+0x439/0xfc0
[ 92.744186] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 92.744221] RIP: 0033:0x4c2d9e
[ 92.744248] Code: Unable to access opcode bytes at 0x4c2d74.
[ 92.744282] RSP: 002b:00007fff4a9ce160 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 92.744334] RAX: 0000000000000050 RBX: 00007fff4a9ce1f0 RCX: 00000000004c2d9e
[ 92.744384] RDX: 0000000000000000 RSI: 00007fff4a9ce200 RDI: 0000000000000007
[ 92.744431] RBP: 00007fff4a9ce170 R08: 0000000000000000 R09: 0000000000000000
[ 92.744473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4a9ce1e4
[ 92.744514] R13: 00007fff4a9ced88 R14: 00007fff4a9ce330 R15: 0000000000543540
[ 92.744556]
[ 92.744573] ---[ end trace 0000000000000000 ]---
[ 92.751124] ------------[ cut here ]------------
[ 92.751162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:0/12
[ 92.751228] Modules linked in:
[ 92.751255] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 92.751319] Tainted: [W]=WARN
[ 92.751341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.751383] Workqueue: netns cleanup_net
[ 92.751408] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 92.751438] 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
[ 92.751539] RSP: 0018:ff71f0c380067c78 EFLAGS: 00010286
[ 92.751566] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 92.751611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314c400
[ 92.751646] RBP: 0000000000000000 R08: ff232310830e6610 R09: ff2323108124e02c
[ 92.751685] R10: ff232310819b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 92.751730] R13: 0000000000000011 R14: ff232310819b8000 R15: ff2323108314c400
[ 92.751774] FS: 0000000000000000(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 92.751820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 92.751852] CR2: 00007f45f0a41f98 CR3: 0000000020c42005 CR4: 0000000000771ef0
[ 92.751900] PKRU: 55555554
[ 92.751914] Call Trace:
[ 92.751928]
[ 92.751944] unregister_netdevice_many_notify+0x877/0x9d0
[ 92.751978] default_device_exit_batch+0x318/0x390
[ 92.752010] ops_undo_list+0x10b/0x240
[ 92.752035] cleanup_net+0x1d7/0x2e0
[ 92.752056] process_one_work+0x162/0x360
[ 92.752080] worker_thread+0x16e/0x2d0
[ 92.752100] ? rescuer_thread+0x510/0x510
[ 92.752128] kthread+0xe1/0x120
[ 92.752151] ? kthread_park+0xa0/0xa0
[ 92.752173] ret_from_fork+0x16d/0x250
[ 92.752199] ? kthread_park+0xa0/0xa0
[ 92.752221] ret_from_fork_asm+0x11/0x20
[ 92.752247]
[ 92.752260] ---[ end trace 0000000000000000 ]---