[ 93.133181] ------------[ cut here ]------------
[ 93.133260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/248
[ 93.133346] Modules linked in:
[ 93.133407] CPU: 2 UID: 0 PID: 248 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.133528] Tainted: [W]=WARN
[ 93.133616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.133691] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.133759] 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
[ 93.133933] RSP: 0018:ff82f7ea804efcc8 EFLAGS: 00010286
[ 93.133993] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.134074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fbbe00
[ 93.134158] RBP: 0000000000000000 R08: ff3286d843232610 R09: ff3286d84301202c
[ 93.134261] R10: ff3286d841c18118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.134339] R13: 0000000000000010 R14: ff3286d841c18000 R15: ff3286d842fbbe00
[ 93.134420] FS: 00007f4630f04740(0000) GS:ff3286d8cd796000(0000) knlGS:0000000000000000
[ 93.134498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.134573] CR2: 000055f88860e008 CR3: 000000000321b001 CR4: 0000000000771ef0
[ 93.134673] PKRU: 55555554
[ 93.134721] Call Trace:
[ 93.134798]
[ 93.134849] rtmsg_ifinfo+0x3c/0xa0
[ 93.134913] register_netdevice+0x889/0x9f0
[ 93.134974] register_netdev+0x1e/0x30
[ 93.135058] loopback_net_init+0x57/0xb0
[ 93.135128] ? vsock_sysctl_init_net+0xb6/0x140
[ 93.135197] ops_init+0x68/0x140
[ 93.135284] setup_net+0x85/0x150
[ 93.135341] copy_net_ns+0xf5/0x200
[ 93.135398] create_new_namespaces+0x117/0x2f0
[ 93.135462] unshare_nsproxy_namespaces+0x85/0xb0
[ 93.135528] ksys_unshare+0x346/0x5e0
[ 93.135618] __x64_sys_unshare+0x12/0x20
[ 93.135675] do_syscall_64+0x104/0xfc0
[ 93.135733] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.135798] RIP: 0033:0x7f4630fffbcb
[ 93.135899] 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
[ 93.136038] RSP: 002b:00007ffd6ddccbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 93.136120] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4630fffbcb
[ 93.136196] RDX: 0000000000000000 RSI: 00007ffd6ddcc950 RDI: 0000000040000000
[ 93.136272] RBP: 00007ffd6ddccf70 R08: 00007ffd6ddccb40 R09: 0000000000000000
[ 93.136348] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 93.136426] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055f859388b68
[ 93.136503]
[ 93.136552] ---[ end trace 0000000000000000 ]---
[ 93.137379] ------------[ cut here ]------------
[ 93.137443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.137561] Modules linked in:
[ 93.137620] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.137743] Tainted: [W]=WARN
[ 93.137798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.137869] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.137936] 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
[ 93.138115] RSP: 0018:ff82f7ea804efd68 EFLAGS: 00010286
[ 93.138199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.138283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fbbe00
[ 93.138410] RBP: 0000000000000000 R08: ff3286d843253590 R09: ff3286d843010030
[ 93.138525] R10: ff3286d8431a0118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.138613] R13: 0000000000000010 R14: ff3286d8431a0000 R15: ff3286d842fbbe00
[ 93.138693] FS: 000000000de67400(0000) GS:ff3286d8cd796000(0000) knlGS:0000000000000000
[ 93.138772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.138841] CR2: 00007fd688233000 CR3: 0000000003084002 CR4: 0000000000771ef0
[ 93.138926] PKRU: 55555554
[ 93.138985] Call Trace:
[ 93.139042]
[ 93.139091] rtmsg_ifinfo+0x3c/0xa0
[ 93.139152] register_netdevice+0x889/0x9f0
[ 93.139209] __tun_chr_ioctl+0x83c/0x16c0
[ 93.139268] ? do_sys_openat2+0x9a/0xe0
[ 93.139326] __x64_sys_ioctl+0xa1/0xe0
[ 93.139384] do_syscall_64+0x104/0xfc0
[ 93.139441] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.139505] RIP: 0033:0x47cc8d
[ 93.139562] 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
[ 93.139695] RSP: 002b:00007ffde5891140 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.139772] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.139848] RDX: 00007ffde58911c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 93.139948] RBP: 00007ffde5891190 R08: 0000000000000000 R09: 0000000000000000
[ 93.140026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5891698
[ 93.140107] R13: 00007ffde5891718 R14: 0000000000000002 R15: 0000000000543540
[ 93.140185]
[ 93.140233] ---[ end trace 0000000000000000 ]---
[ 93.140316] ------------[ cut here ]------------
[ 93.140378] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.140462] Modules linked in:
[ 93.140519] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.140612] Tainted: [W]=WARN
[ 93.140667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.140755] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.140819] 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
[ 93.140991] RSP: 0018:ff82f7ea804efd60 EFLAGS: 00010286
[ 93.141053] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 93.141135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fbbe00
[ 93.141212] RBP: 0000000000000002 R08: ff3286d843253590 R09: ff3286d843010030
[ 93.141288] R10: ff3286d8431a0118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.141364] R13: 0000000000000010 R14: ff3286d8431a0000 R15: ff3286d842fbbe00
[ 93.141444] FS: 000000000de67400(0000) GS:ff3286d8cd796000(0000) knlGS:0000000000000000
[ 93.141521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.141598] CR2: 00007fd688233000 CR3: 0000000003084002 CR4: 0000000000771ef0
[ 93.141682] PKRU: 55555554
[ 93.141730] Call Trace:
[ 93.141779]
[ 93.141827] rtnetlink_event+0x6e/0xb0
[ 93.141883] notifier_call_chain+0x6d/0x100
[ 93.141949] netdev_update_features+0x56/0x60
[ 93.142014] __tun_chr_ioctl+0xbf1/0x16c0
[ 93.142070] ? file_init_path+0x62/0x120
[ 93.142132] __x64_sys_ioctl+0xa1/0xe0
[ 93.142189] do_syscall_64+0x104/0xfc0
[ 93.142246] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.142309] RIP: 0033:0x47cc8d
[ 93.142365] 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
[ 93.142500] RSP: 002b:00007ffde5891180 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.142580] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.142656] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 93.142743] RBP: 00007ffde58911d0 R08: 0000000000000000 R09: 0000000000000000
[ 93.142819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5891698
[ 93.142895] R13: 00007ffde5891718 R14: 0000000000000002 R15: 0000000000543540
[ 93.142978]
[ 93.143025] ---[ end trace 0000000000000000 ]---
[ 93.143118] ------------[ cut here ]------------
[ 93.143180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.143263] Modules linked in:
[ 93.143319] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.143411] Tainted: [W]=WARN
[ 93.143469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.143546] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.143614] 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
[ 93.143750] RSP: 0018:ff82f7ea804efc10 EFLAGS: 00010286
[ 93.143814] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 93.143891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fbbe00
[ 93.143973] RBP: 0000000000000000 R08: ff3286d843253590 R09: ff3286d8478c2030
[ 93.144050] R10: ff3286d8431a0118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.144136] R13: 0000000000000010 R14: ff3286d8431a0000 R15: ff3286d842fbbe00
[ 93.144214] FS: 000000000de67400(0000) GS:ff3286d8cd796000(0000) knlGS:0000000000000000
[ 93.144291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.144361] CR2: 00007fd688233000 CR3: 0000000003084002 CR4: 0000000000771ef0
[ 93.144437] PKRU: 55555554
[ 93.144485] Call Trace:
[ 93.144533]
[ 93.144585] rtmsg_ifinfo+0x3c/0xa0
[ 93.144642] __dev_notify_flags+0xb1/0xf0
[ 93.144700] netif_change_flags+0x54/0x70
[ 93.144769] dev_change_flags+0x45/0x80
[ 93.144827] devinet_ioctl+0x607/0x7f0
[ 93.144885] inet_ioctl+0x229/0x240
[ 93.144948] ? __rtnl_unlock+0x35/0x60
[ 93.145005] sock_do_ioctl+0x75/0x140
[ 93.145063] __x64_sys_ioctl+0xa1/0xe0
[ 93.145127] do_syscall_64+0x104/0xfc0
[ 93.145185] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.145250] RIP: 0033:0x47cc8d
[ 93.145306] 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
[ 93.145440] RSP: 002b:00007ffde5891160 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.145518] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.145598] RDX: 00007ffde58911d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 93.145674] RBP: 00007ffde58911b0 R08: 0000000000000000 R09: 0000000000000000
[ 93.145751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde5891698
[ 93.145828] R13: 00007ffde5891718 R14: 0000000000000002 R15: 0000000000543540
[ 93.145916]
[ 93.145964] ---[ end trace 0000000000000000 ]---
[ 138.119350] ------------[ cut here ]------------
[ 138.119508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 138.119646] Modules linked in:
[ 138.119709] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.119804] Tainted: [W]=WARN
[ 138.119860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.119931] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.119994] 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
[ 138.120349] RSP: 0018:ff82f7ea804efb58 EFLAGS: 00010286
[ 138.120421] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 138.120532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fb2100
[ 138.120663] RBP: 0000000000000000 R08: ff3286d843253590 R09: ff3286d8478c2030
[ 138.120760] R10: ff3286d8431a0118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.120841] R13: 0000000000000010 R14: ff3286d8431a0000 R15: ff3286d842fb2100
[ 138.120972] FS: 0000000000000000(0000) GS:ff3286d8cd796000(0000) knlGS:0000000000000000
[ 138.121083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.121194] CR2: 00007fd688233000 CR3: 0000000030e42005 CR4: 0000000000771ef0
[ 138.121323] PKRU: 55555554
[ 138.121379] Call Trace:
[ 138.121449]
[ 138.121515] rtmsg_ifinfo+0x3c/0xa0
[ 138.121585] netif_close_many+0xed/0x190
[ 138.121672] unregister_netdevice_many_notify+0x267/0x9d0
[ 138.121767] ? __queue_work+0x141/0x550
[ 138.121834] unregister_netdevice_queue+0x9e/0xd0
[ 138.121935] __tun_detach+0x591/0x5b0
[ 138.122013] tun_chr_close+0x3f/0xc0
[ 138.122096] __fput+0xe8/0x2c0
[ 138.122162] task_work_run+0x63/0xa0
[ 138.122235] do_exit+0x2c1/0xba0
[ 138.122294] ? netlink_dump+0x336/0x450
[ 138.122352] do_group_exit+0x2d/0xc0
[ 138.122407] get_signal+0x82e/0x900
[ 138.122469] arch_do_signal_or_restart+0x77/0x2b0
[ 138.122543] exit_to_user_mode_loop+0x75/0x4a0
[ 138.122610] do_syscall_64+0x439/0xfc0
[ 138.122669] ? __sysvec_call_function_single+0x20/0xd0
[ 138.122734] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.122798] RIP: 0033:0x4c2d9e
[ 138.122854] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.122923] RSP: 002b:00007ffde5890af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.123001] RAX: 0000000000000050 RBX: 00007ffde5890b80 RCX: 00000000004c2d9e
[ 138.123082] RDX: 0000000000000000 RSI: 00007ffde5890b90 RDI: 0000000000000007
[ 138.123160] RBP: 00007ffde5890b00 R08: 0000000000000000 R09: 0000000000000000
[ 138.123236] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde5890b74
[ 138.123313] R13: 00007ffde5891718 R14: 00007ffde5890cc0 R15: 0000000000543540
[ 138.123390]
[ 138.123438] ---[ end trace 0000000000000000 ]---
[ 138.123592] ------------[ cut here ]------------
[ 138.123631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: packetdrill/248
[ 138.123687] Modules linked in:
[ 138.123713] CPU: 1 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.123774] Tainted: [W]=WARN
[ 138.123796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.123832] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.123862] 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
[ 138.123958] RSP: 0018:ff82f7ea804efbc8 EFLAGS: 00010286
[ 138.123982] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.124024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fb2200
[ 138.124068] RBP: 0000000000000000 R08: ff3286d843253590 R09: ff3286d846893830
[ 138.124110] R10: ff3286d8431a0118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.124152] R13: 0000000000000011 R14: ff3286d8431a0000 R15: ff3286d842fb2200
[ 138.124193] FS: 0000000000000000(0000) GS:ff3286d8cd716000(0000) knlGS:0000000000000000
[ 138.124235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.124272] CR2: 00007eff8dccf9dc CR3: 0000000030e42005 CR4: 0000000000771ef0
[ 138.124318] PKRU: 55555554
[ 138.124333] Call Trace:
[ 138.124349]
[ 138.124365] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.124399] unregister_netdevice_queue+0x9e/0xd0
[ 138.124428] __tun_detach+0x591/0x5b0
[ 138.124451] tun_chr_close+0x3f/0xc0
[ 138.124478] __fput+0xe8/0x2c0
[ 138.124501] task_work_run+0x63/0xa0
[ 138.124523] do_exit+0x2c1/0xba0
[ 138.124544] ? netlink_dump+0x336/0x450
[ 138.124568] do_group_exit+0x2d/0xc0
[ 138.124590] get_signal+0x82e/0x900
[ 138.124613] arch_do_signal_or_restart+0x77/0x2b0
[ 138.124644] exit_to_user_mode_loop+0x75/0x4a0
[ 138.124674] do_syscall_64+0x439/0xfc0
[ 138.124695] ? __sysvec_call_function_single+0x20/0xd0
[ 138.124725] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.124754] RIP: 0033:0x4c2d9e
[ 138.124779] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.124814] RSP: 002b:00007ffde5890af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.124859] RAX: 0000000000000050 RBX: 00007ffde5890b80 RCX: 00000000004c2d9e
[ 138.124896] RDX: 0000000000000000 RSI: 00007ffde5890b90 RDI: 0000000000000007
[ 138.124935] RBP: 00007ffde5890b00 R08: 0000000000000000 R09: 0000000000000000
[ 138.124977] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde5890b74
[ 138.125025] R13: 00007ffde5891718 R14: 00007ffde5890cc0 R15: 0000000000543540
[ 138.125068]
[ 138.125081] ---[ end trace 0000000000000000 ]---
[ 138.138242] ------------[ cut here ]------------
[ 138.138291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:0/12
[ 138.138356] Modules linked in:
[ 138.138382] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.138440] Tainted: [W]=WARN
[ 138.138463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.138499] Workqueue: netns cleanup_net
[ 138.138531] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.138561] 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
[ 138.138669] RSP: 0018:ff82f7ea80067c78 EFLAGS: 00010286
[ 138.138698] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.138740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3286d842fb2200
[ 138.138781] RBP: 0000000000000000 R08: ff3286d843232610 R09: ff3286d84789782c
[ 138.138821] R10: ff3286d841c18118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.138861] R13: 0000000000000011 R14: ff3286d841c18000 R15: ff3286d842fb2200
[ 138.138904] FS: 0000000000000000(0000) GS:ff3286d8cd716000(0000) knlGS:0000000000000000
[ 138.138950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.138986] CR2: 00007feb111acf98 CR3: 0000000002eb2002 CR4: 0000000000771ef0
[ 138.139035] PKRU: 55555554
[ 138.139048] Call Trace:
[ 138.139065]
[ 138.139079] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.139114] default_device_exit_batch+0x318/0x390
[ 138.139146] ops_undo_list+0x10b/0x240
[ 138.139170] cleanup_net+0x1d7/0x2e0
[ 138.139191] process_one_work+0x162/0x360
[ 138.139211] worker_thread+0x16e/0x2d0
[ 138.139232] ? rescuer_thread+0x510/0x510
[ 138.139252] kthread+0xe1/0x120
[ 138.139276] ? kthread_park+0xa0/0xa0
[ 138.139297] ret_from_fork+0x16d/0x250
[ 138.139317] ? kthread_park+0xa0/0xa0
[ 138.139338] ret_from_fork_asm+0x11/0x20
[ 138.139363]
[ 138.139378] ---[ end trace 0000000000000000 ]---