[ 138.511844] ------------[ cut here ]------------
[ 138.511896] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/292
[ 138.511962] Modules linked in:
[ 138.511985] CPU: 3 UID: 0 PID: 292 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.512042] Tainted: [W]=WARN
[ 138.512063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.512102] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.512130] 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
[ 138.512231] RSP: 0018:ff5c9d164056fcc8 EFLAGS: 00010286
[ 138.512259] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.512302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8982eff000
[ 138.512341] RBP: 0000000000000000 R08: ff135f8983165c50 R09: ff135f898499d02c
[ 138.512374] R10: ff135f8982028118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.512415] R13: 0000000000000010 R14: ff135f8982028000 R15: ff135f8982eff000
[ 138.512454] FS: 00007feb65060740(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 138.512497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.512524] CR2: 00007feb65222280 CR3: 00000000079dc001 CR4: 0000000000771ef0
[ 138.512566] PKRU: 55555554
[ 138.512579] Call Trace:
[ 138.512594]
[ 138.512609] rtmsg_ifinfo+0x3c/0xa0
[ 138.512630] register_netdevice+0x889/0x9f0
[ 138.512651] register_netdev+0x1e/0x30
[ 138.512672] loopback_net_init+0x57/0xb0
[ 138.512700] ? vsock_sysctl_init_net+0xb6/0x140
[ 138.512730] ops_init+0x68/0x140
[ 138.512753] setup_net+0x85/0x150
[ 138.512775] copy_net_ns+0xf5/0x200
[ 138.512796] create_new_namespaces+0x117/0x2f0
[ 138.512824] unshare_nsproxy_namespaces+0x85/0xb0
[ 138.512853] ksys_unshare+0x346/0x5e0
[ 138.512876] __x64_sys_unshare+0x12/0x20
[ 138.512897] do_syscall_64+0x104/0xfc0
[ 138.512919] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.512948] RIP: 0033:0x7feb6515bbcb
[ 138.512970] 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
[ 138.513067] RSP: 002b:00007fff08131d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 138.513109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb6515bbcb
[ 138.513149] RDX: 0000000000000000 RSI: 00007fff08131a90 RDI: 0000000040000000
[ 138.513193] RBP: 00007fff081320b0 R08: 00007fff08131c80 R09: 0000000000000000
[ 138.513234] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 138.513272] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000560deb861b68
[ 138.513313]
[ 138.513326] ---[ end trace 0000000000000000 ]---
[ 138.513899] ------------[ cut here ]------------
[ 138.513934] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.513985] Modules linked in:
[ 138.514006] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.514060] Tainted: [W]=WARN
[ 138.514081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.514114] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.514145] 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
[ 138.514241] RSP: 0018:ff5c9d164056fd68 EFLAGS: 00010286
[ 138.514269] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.514306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8982eff000
[ 138.514347] RBP: 0000000000000000 R08: ff135f898320d990 R09: ff135f898499f030
[ 138.514385] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.514425] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f8982eff000
[ 138.514470] FS: 0000000037b72400(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 138.514513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.514540] CR2: 00007fac5eb86000 CR3: 0000000003363002 CR4: 0000000000771ef0
[ 138.514582] PKRU: 55555554
[ 138.514597] Call Trace:
[ 138.514612]
[ 138.514625] rtmsg_ifinfo+0x3c/0xa0
[ 138.514649] register_netdevice+0x889/0x9f0
[ 138.514668] __tun_chr_ioctl+0x83c/0x16c0
[ 138.514692] ? do_sys_openat2+0x9a/0xe0
[ 138.514714] __x64_sys_ioctl+0xa1/0xe0
[ 138.514735] do_syscall_64+0x104/0xfc0
[ 138.514756] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.514785] RIP: 0033:0x47cc8d
[ 138.514806] 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
[ 138.514898] RSP: 002b:00007ffc7a480a50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.514943] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.514983] RDX: 00007ffc7a480ad0 RSI: 00000000400454ca RDI: 0000000000000005
[ 138.515020] RBP: 00007ffc7a480aa0 R08: 0000000000000000 R09: 0000000000000000
[ 138.515059] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7a480fa8
[ 138.515098] R13: 00007ffc7a481028 R14: 0000000000000002 R15: 0000000000543540
[ 138.515141]
[ 138.515153] ---[ end trace 0000000000000000 ]---
[ 138.515216] ------------[ cut here ]------------
[ 138.515242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.515286] Modules linked in:
[ 138.515308] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.515363] Tainted: [W]=WARN
[ 138.515384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.515417] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.515445] 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
[ 138.515544] RSP: 0018:ff5c9d164056fd60 EFLAGS: 00010286
[ 138.515573] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 138.515611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8982eff000
[ 138.515651] RBP: 0000000000000002 R08: ff135f898320d990 R09: ff135f898499f030
[ 138.515688] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.515734] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f8982eff000
[ 138.515775] FS: 0000000037b72400(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 138.515819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.515854] CR2: 00007fac5eb86000 CR3: 0000000003363002 CR4: 0000000000771ef0
[ 138.515896] PKRU: 55555554
[ 138.515912] Call Trace:
[ 138.515926]
[ 138.515938] rtnetlink_event+0x6e/0xb0
[ 138.515957] notifier_call_chain+0x6d/0x100
[ 138.515977] netdev_update_features+0x56/0x60
[ 138.516005] __tun_chr_ioctl+0xbf1/0x16c0
[ 138.516029] ? file_init_path+0x62/0x120
[ 138.516051] __x64_sys_ioctl+0xa1/0xe0
[ 138.516072] do_syscall_64+0x104/0xfc0
[ 138.516092] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.516120] RIP: 0033:0x47cc8d
[ 138.516139] 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
[ 138.516236] RSP: 002b:00007ffc7a480a90 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.516268] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.516310] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 138.516350] RBP: 00007ffc7a480ae0 R08: 0000000000000005 R09: 0000000000001180
[ 138.516390] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc7a480fa8
[ 138.516429] R13: 00007ffc7a481028 R14: 0000000000000002 R15: 0000000000543540
[ 138.516468]
[ 138.516483] ---[ end trace 0000000000000000 ]---
[ 138.516529] ------------[ cut here ]------------
[ 138.516553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 138.516602] Modules linked in:
[ 138.516621] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.516676] Tainted: [W]=WARN
[ 138.516697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.516730] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.516760] 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
[ 138.516846] RSP: 0018:ff5c9d164056fc10 EFLAGS: 00010286
[ 138.516875] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 138.516921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8982eff000
[ 138.516963] RBP: 0000000000000000 R08: ff135f898320d990 R09: ff135f8986c8f030
[ 138.517004] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.517043] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f8982eff000
[ 138.517086] FS: 0000000037b72400(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 138.517128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.517154] CR2: 00007fac5eb86000 CR3: 0000000003363002 CR4: 0000000000771ef0
[ 138.517197] PKRU: 55555554
[ 138.517211] Call Trace:
[ 138.517225]
[ 138.517238] rtmsg_ifinfo+0x3c/0xa0
[ 138.517259] __dev_notify_flags+0xb1/0xf0
[ 138.517280] netif_change_flags+0x54/0x70
[ 138.517300] dev_change_flags+0x45/0x80
[ 138.517324] devinet_ioctl+0x607/0x7f0
[ 138.517348] inet_ioctl+0x229/0x240
[ 138.517368] ? __rtnl_unlock+0x35/0x60
[ 138.517386] sock_do_ioctl+0x75/0x140
[ 138.517410] __x64_sys_ioctl+0xa1/0xe0
[ 138.517428] do_syscall_64+0x104/0xfc0
[ 138.517448] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.517477] RIP: 0033:0x47cc8d
[ 138.517495] 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
[ 138.517588] RSP: 002b:00007ffc7a480a70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.517628] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.517668] RDX: 00007ffc7a480ae0 RSI: 0000000000008914 RDI: 0000000000000006
[ 138.517706] RBP: 00007ffc7a480ac0 R08: 0000000000000005 R09: 0000000000001180
[ 138.517744] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc7a480fa8
[ 138.517782] R13: 00007ffc7a481028 R14: 0000000000000002 R15: 0000000000543540
[ 138.517823]
[ 138.517838] ---[ end trace 0000000000000000 ]---
[ 183.497952] ------------[ cut here ]------------
[ 183.498074] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 183.498344] Modules linked in:
[ 183.498373] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.498442] Tainted: [W]=WARN
[ 183.498466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.498502] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.498530] 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
[ 183.498626] RSP: 0018:ff5c9d164056fb58 EFLAGS: 00010286
[ 183.498653] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 183.498700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981931e00
[ 183.498746] RBP: 0000000000000000 R08: ff135f898320d990 R09: ff135f8986c8f030
[ 183.498788] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.498832] R13: 0000000000000010 R14: ff135f8981c4c000 R15: ff135f8981931e00
[ 183.498882] FS: 0000000000000000(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 183.498926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.498960] CR2: 00007fac5eb86000 CR3: 000000001d842003 CR4: 0000000000771ef0
[ 183.498999] PKRU: 55555554
[ 183.499013] Call Trace:
[ 183.499025]
[ 183.499041] rtmsg_ifinfo+0x3c/0xa0
[ 183.499064] netif_close_many+0xed/0x190
[ 183.499094] unregister_netdevice_many_notify+0x267/0x9d0
[ 183.499127] ? __queue_work+0x141/0x550
[ 183.499150] unregister_netdevice_queue+0x9e/0xd0
[ 183.499181] __tun_detach+0x591/0x5b0
[ 183.499213] tun_chr_close+0x3f/0xc0
[ 183.499233] __fput+0xe8/0x2c0
[ 183.499260] task_work_run+0x63/0xa0
[ 183.499284] do_exit+0x2c1/0xba0
[ 183.499315] do_group_exit+0x2d/0xc0
[ 183.499338] ? __sys_sendto+0x194/0x220
[ 183.499361] get_signal+0x82e/0x900
[ 183.499385] arch_do_signal_or_restart+0x77/0x2b0
[ 183.499414] exit_to_user_mode_loop+0x75/0x4a0
[ 183.499444] do_syscall_64+0x439/0xfc0
[ 183.499471] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.499501] RIP: 0033:0x4c2d9e
[ 183.499524] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.499551] RSP: 002b:00007ffc7a480400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.499598] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 183.499643] RDX: 0000000000000014 RSI: 00007ffc7a4804e0 RDI: 0000000000000007
[ 183.499684] RBP: 00007ffc7a480410 R08: 00007ffc7a4804a0 R09: 000000000000000c
[ 183.499720] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000037b7afa0
[ 183.499761] R13: 00007ffc7a481028 R14: 00007ffc7a4805d0 R15: 0000000000543540
[ 183.499802]
[ 183.499817] ---[ end trace 0000000000000000 ]---
[ 183.500073] ------------[ cut here ]------------
[ 183.500105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/292
[ 183.500156] Modules linked in:
[ 183.500177] CPU: 3 UID: 0 PID: 292 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.500230] Tainted: [W]=WARN
[ 183.500249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.500283] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.500308] 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
[ 183.500399] RSP: 0018:ff5c9d164056fbc8 EFLAGS: 00010286
[ 183.500422] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.500458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981931e00
[ 183.500496] RBP: 0000000000000000 R08: ff135f898320d990 R09: ff135f898766a830
[ 183.500536] R10: ff135f8981c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.500577] R13: 0000000000000011 R14: ff135f8981c4c000 R15: ff135f8981931e00
[ 183.500620] FS: 0000000000000000(0000) GS:ff135f8a2ce16000(0000) knlGS:0000000000000000
[ 183.500662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.500690] CR2: 00007fe0d7919f98 CR3: 000000000106b004 CR4: 0000000000771ef0
[ 183.500729] PKRU: 55555554
[ 183.500743] Call Trace:
[ 183.500758]
[ 183.500772] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.500800] unregister_netdevice_queue+0x9e/0xd0
[ 183.500827] __tun_detach+0x591/0x5b0
[ 183.500849] tun_chr_close+0x3f/0xc0
[ 183.500866] __fput+0xe8/0x2c0
[ 183.500887] task_work_run+0x63/0xa0
[ 183.500911] do_exit+0x2c1/0xba0
[ 183.500932] do_group_exit+0x2d/0xc0
[ 183.500957] ? __sys_sendto+0x194/0x220
[ 183.500977] get_signal+0x82e/0x900
[ 183.500995] arch_do_signal_or_restart+0x77/0x2b0
[ 183.501024] exit_to_user_mode_loop+0x75/0x4a0
[ 183.501060] do_syscall_64+0x439/0xfc0
[ 183.501082] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.501109] RIP: 0033:0x4c2d9e
[ 183.501130] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.501162] RSP: 002b:00007ffc7a480400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.501206] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 183.501246] RDX: 0000000000000014 RSI: 00007ffc7a4804e0 RDI: 0000000000000007
[ 183.501286] RBP: 00007ffc7a480410 R08: 00007ffc7a4804a0 R09: 000000000000000c
[ 183.501324] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000037b7afa0
[ 183.501365] R13: 00007ffc7a481028 R14: 00007ffc7a4805d0 R15: 0000000000543540
[ 183.501399]
[ 183.501414] ---[ end trace 0000000000000000 ]---
[ 183.512309] ------------[ cut here ]------------
[ 183.512346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[ 183.512400] Modules linked in:
[ 183.512421] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.512485] Tainted: [W]=WARN
[ 183.512510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.512547] Workqueue: netns cleanup_net
[ 183.512571] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.512600] 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
[ 183.512699] RSP: 0018:ff5c9d164023fc78 EFLAGS: 00010286
[ 183.512726] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.512767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0000
[ 183.512807] RBP: 0000000000000000 R08: ff135f8983165c50 R09: ff135f8986cb802c
[ 183.512848] R10: ff135f8982028118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.512888] R13: 0000000000000011 R14: ff135f8982028000 R15: ff135f89818d0000
[ 183.512938] FS: 0000000000000000(0000) GS:ff135f8a2cd16000(0000) knlGS:0000000000000000
[ 183.512981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.513015] CR2: 00007fe0d78fb680 CR3: 000000001d842002 CR4: 0000000000771ef0
[ 183.513058] PKRU: 55555554
[ 183.513072] Call Trace:
[ 183.513088]
[ 183.513102] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.513130] default_device_exit_batch+0x318/0x390
[ 183.513156] ops_undo_list+0x10b/0x240
[ 183.513178] cleanup_net+0x1d7/0x2e0
[ 183.513208] process_one_work+0x162/0x360
[ 183.513229] worker_thread+0x16e/0x2d0
[ 183.513252] ? rescuer_thread+0x510/0x510
[ 183.513274] kthread+0xe1/0x120
[ 183.513294] ? kthread_park+0xa0/0xa0
[ 183.513315] ret_from_fork+0x16d/0x250
[ 183.513339] ? kthread_park+0xa0/0xa0
[ 183.513360] ret_from_fork_asm+0x11/0x20
[ 183.513384]
[ 183.513398] ---[ end trace 0000000000000000 ]---