[ 184.059863] ------------[ cut here ]------------
[ 184.059916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/336
[ 184.059972] Modules linked in:
[ 184.059996] CPU: 3 UID: 0 PID: 336 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.060058] Tainted: [W]=WARN
[ 184.060079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.060116] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.060143] 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
[ 184.060239] RSP: 0018:ff607241805e7cc8 EFLAGS: 00010286
[ 184.060272] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.060313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 184.060362] RBP: 0000000000000000 R08: ff29a26002fa8050 R09: ff29a260032db02c
[ 184.060403] R10: ff29a26001d80118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.060445] R13: 0000000000000010 R14: ff29a26001d80000 R15: ff29a26003107000
[ 184.060492] FS: 00007f9c65ad4740(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 184.060535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.060567] CR2: 0000560a4aa00008 CR3: 0000000003119006 CR4: 0000000000771ef0
[ 184.060611] PKRU: 55555554
[ 184.060623] Call Trace:
[ 184.060636]
[ 184.060650] rtmsg_ifinfo+0x3c/0xa0
[ 184.060675] register_netdevice+0x889/0x9f0
[ 184.060698] register_netdev+0x1e/0x30
[ 184.060721] loopback_net_init+0x57/0xb0
[ 184.060745] ? vsock_sysctl_init_net+0xb6/0x140
[ 184.060772] ops_init+0x68/0x140
[ 184.060795] setup_net+0x85/0x150
[ 184.060819] copy_net_ns+0xf5/0x200
[ 184.060842] create_new_namespaces+0x117/0x2f0
[ 184.060870] unshare_nsproxy_namespaces+0x85/0xb0
[ 184.060899] ksys_unshare+0x346/0x5e0
[ 184.060924] __x64_sys_unshare+0x12/0x20
[ 184.060947] do_syscall_64+0x104/0xfc0
[ 184.060976] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.061002] RIP: 0033:0x7f9c65bcfbcb
[ 184.061022] 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
[ 184.061119] RSP: 002b:00007ffed36ee178 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 184.061160] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c65bcfbcb
[ 184.061201] RDX: 0000000000000000 RSI: 00007ffed36edee0 RDI: 0000000040000000
[ 184.061240] RBP: 00007ffed36ee500 R08: 00007ffed36ee0d0 R09: 0000000000000000
[ 184.061275] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 184.061314] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000560a3e4e3b68
[ 184.061357]
[ 184.061373] ---[ end trace 0000000000000000 ]---
[ 184.062030] ------------[ cut here ]------------
[ 184.062065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/336
[ 184.062116] Modules linked in:
[ 184.062138] CPU: 3 UID: 0 PID: 336 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.062186] Tainted: [W]=WARN
[ 184.062210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.062242] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.062273] 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
[ 184.062369] RSP: 0018:ff607241805e7d68 EFLAGS: 00010286
[ 184.062400] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.062444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 184.062481] RBP: 0000000000000000 R08: ff29a26003394a10 R09: ff29a26002fdf030
[ 184.062520] R10: ff29a26003374118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.062561] R13: 0000000000000010 R14: ff29a26003374000 R15: ff29a26003107000
[ 184.062601] FS: 000000003b795400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 184.062643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.062680] CR2: 00007f1f62321000 CR3: 0000000004c61001 CR4: 0000000000771ef0
[ 184.062725] PKRU: 55555554
[ 184.062738] Call Trace:
[ 184.062750]
[ 184.062766] rtmsg_ifinfo+0x3c/0xa0
[ 184.062788] register_netdevice+0x889/0x9f0
[ 184.062809] __tun_chr_ioctl+0x83c/0x16c0
[ 184.062832] ? do_sys_openat2+0x9a/0xe0
[ 184.062853] __x64_sys_ioctl+0xa1/0xe0
[ 184.062874] do_syscall_64+0x104/0xfc0
[ 184.062895] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.062922] RIP: 0033:0x47cc8d
[ 184.062941] 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
[ 184.063033] RSP: 002b:00007ffc8d97dd60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.063074] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.063117] RDX: 00007ffc8d97dde0 RSI: 00000000400454ca RDI: 0000000000000005
[ 184.063155] RBP: 00007ffc8d97ddb0 R08: 0000000000000000 R09: 0000000000000000
[ 184.063195] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8d97e2b8
[ 184.063242] R13: 00007ffc8d97e338 R14: 0000000000000002 R15: 0000000000543540
[ 184.063285]
[ 184.063298] ---[ end trace 0000000000000000 ]---
[ 184.063340] ------------[ cut here ]------------
[ 184.063368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/336
[ 184.063420] Modules linked in:
[ 184.063442] CPU: 3 UID: 0 PID: 336 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.063494] Tainted: [W]=WARN
[ 184.063515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.063546] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.063573] 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
[ 184.063661] RSP: 0018:ff607241805e7d60 EFLAGS: 00010286
[ 184.063685] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 184.063725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 184.063765] RBP: 0000000000000002 R08: ff29a26003394a10 R09: ff29a26002fdf030
[ 184.063805] R10: ff29a26003374118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.063844] R13: 0000000000000010 R14: ff29a26003374000 R15: ff29a26003107000
[ 184.063885] FS: 000000003b795400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 184.063929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.063961] CR2: 00007f1f62321000 CR3: 0000000004c61001 CR4: 0000000000771ef0
[ 184.064004] PKRU: 55555554
[ 184.064018] Call Trace:
[ 184.064033]
[ 184.064051] rtnetlink_event+0x6e/0xb0
[ 184.064072] notifier_call_chain+0x6d/0x100
[ 184.064096] netdev_update_features+0x56/0x60
[ 184.064126] __tun_chr_ioctl+0xbf1/0x16c0
[ 184.064147] ? file_init_path+0x62/0x120
[ 184.064171] __x64_sys_ioctl+0xa1/0xe0
[ 184.064196] do_syscall_64+0x104/0xfc0
[ 184.064217] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.064247] RIP: 0033:0x47cc8d
[ 184.064267] 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
[ 184.064368] RSP: 002b:00007ffc8d97dda0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.064408] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.064445] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 184.064487] RBP: 00007ffc8d97ddf0 R08: 0000000000000000 R09: 0000000000000000
[ 184.064524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8d97e2b8
[ 184.064569] R13: 00007ffc8d97e338 R14: 0000000000000002 R15: 0000000000543540
[ 184.064608]
[ 184.064621] ---[ end trace 0000000000000000 ]---
[ 184.064662] ------------[ cut here ]------------
[ 184.064688] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/336
[ 184.064733] Modules linked in:
[ 184.064754] CPU: 3 UID: 0 PID: 336 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.064808] Tainted: [W]=WARN
[ 184.064826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.064862] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.064889] 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
[ 184.064989] RSP: 0018:ff607241805e7c10 EFLAGS: 00010286
[ 184.065018] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 184.065064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003107000
[ 184.065108] RBP: 0000000000000000 R08: ff29a26003394a10 R09: ff29a260032da030
[ 184.065149] R10: ff29a26003374118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.065188] R13: 0000000000000010 R14: ff29a26003374000 R15: ff29a26003107000
[ 184.065230] FS: 000000003b795400(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 184.065272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.065303] CR2: 00007f1f62321000 CR3: 0000000004c61001 CR4: 0000000000771ef0
[ 184.065349] PKRU: 55555554
[ 184.065365] Call Trace:
[ 184.065381]
[ 184.065396] rtmsg_ifinfo+0x3c/0xa0
[ 184.065416] __dev_notify_flags+0xb1/0xf0
[ 184.065439] netif_change_flags+0x54/0x70
[ 184.065460] dev_change_flags+0x45/0x80
[ 184.065482] devinet_ioctl+0x607/0x7f0
[ 184.065507] inet_ioctl+0x229/0x240
[ 184.065531] ? __rtnl_unlock+0x35/0x60
[ 184.065554] sock_do_ioctl+0x75/0x140
[ 184.065577] __x64_sys_ioctl+0xa1/0xe0
[ 184.065603] do_syscall_64+0x104/0xfc0
[ 184.065625] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.065652] RIP: 0033:0x47cc8d
[ 184.065671] 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
[ 184.065759] RSP: 002b:00007ffc8d97dd80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.065797] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.065836] RDX: 00007ffc8d97ddf0 RSI: 0000000000008914 RDI: 0000000000000006
[ 184.065875] RBP: 00007ffc8d97ddd0 R08: 0000000000000000 R09: 0000000000000000
[ 184.065918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8d97e2b8
[ 184.065963] R13: 00007ffc8d97e338 R14: 0000000000000002 R15: 0000000000543540
[ 184.066008]
[ 184.066027] ---[ end trace 0000000000000000 ]---
[ 229.046383] ------------[ cut here ]------------
[ 229.046458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/336
[ 229.046529] Modules linked in:
[ 229.046555] CPU: 3 UID: 0 PID: 336 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.046610] Tainted: [W]=WARN
[ 229.046637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.046670] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.046699] 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
[ 229.046793] RSP: 0018:ff607241805e7b58 EFLAGS: 00010286
[ 229.046819] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 229.046858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 229.046906] RBP: 0000000000000000 R08: ff29a26003394a10 R09: ff29a260032da030
[ 229.046945] R10: ff29a26003374118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.046989] R13: 0000000000000010 R14: ff29a26003374000 R15: ff29a26003111900
[ 229.047045] FS: 0000000000000000(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 229.047089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.047123] CR2: 00007f1f62321000 CR3: 000000001a642004 CR4: 0000000000771ef0
[ 229.047167] PKRU: 55555554
[ 229.047183] Call Trace:
[ 229.047200]
[ 229.047216] rtmsg_ifinfo+0x3c/0xa0
[ 229.047243] netif_close_many+0xed/0x190
[ 229.047267] unregister_netdevice_many_notify+0x267/0x9d0
[ 229.047296] ? __queue_work+0x141/0x550
[ 229.047320] unregister_netdevice_queue+0x9e/0xd0
[ 229.047356] __tun_detach+0x591/0x5b0
[ 229.047380] tun_chr_close+0x3f/0xc0
[ 229.047403] __fput+0xe8/0x2c0
[ 229.047428] task_work_run+0x63/0xa0
[ 229.047452] do_exit+0x2c1/0xba0
[ 229.047476] do_group_exit+0x2d/0xc0
[ 229.047499] get_signal+0x82e/0x900
[ 229.047522] ? fsnotify_grab_connector+0x4a/0x90
[ 229.047552] arch_do_signal_or_restart+0x77/0x2b0
[ 229.047583] ? __call_rcu_common.constprop.0+0x9a/0x340
[ 229.047614] ? __fput+0x17f/0x2c0
[ 229.047640] exit_to_user_mode_loop+0x75/0x4a0
[ 229.047673] do_syscall_64+0x439/0xfc0
[ 229.047695] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.047723] RIP: 0033:0x47fb83
[ 229.047745] Code: Unable to access opcode bytes at 0x47fb59.
[ 229.047782] RSP: 002b:00007ffc8d97d850 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 229.047825] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83
[ 229.047866] RDX: 000000000000000e RSI: eb8a2c5615bdd6c0 RDI: 0000000000000007
[ 229.047905] RBP: 00007ffc8d97dd50 R08: 0000000000000041 R09: 000000003b7963e0
[ 229.047949] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
[ 229.047988] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540
[ 229.048029]
[ 229.048050] ---[ end trace 0000000000000000 ]---
[ 229.048137] ------------[ cut here ]------------
[ 229.048172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/336
[ 229.048220] Modules linked in:
[ 229.048242] CPU: 3 UID: 0 PID: 336 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.048294] Tainted: [W]=WARN
[ 229.048315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.048349] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.048380] 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
[ 229.048471] RSP: 0018:ff607241805e7bc8 EFLAGS: 00010286
[ 229.048501] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.048539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111900
[ 229.048579] RBP: 0000000000000000 R08: ff29a26003394a10 R09: ff29a26006f3b030
[ 229.048621] R10: ff29a26003374118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.048661] R13: 0000000000000011 R14: ff29a26003374000 R15: ff29a26003111900
[ 229.048703] FS: 0000000000000000(0000) GS:ff29a26083a16000(0000) knlGS:0000000000000000
[ 229.048746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.048784] CR2: 00007f1f62321000 CR3: 000000001a642004 CR4: 0000000000771ef0
[ 229.048826] PKRU: 55555554
[ 229.048841] Call Trace:
[ 229.048857]
[ 229.048871] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.048898] unregister_netdevice_queue+0x9e/0xd0
[ 229.048928] __tun_detach+0x591/0x5b0
[ 229.048949] tun_chr_close+0x3f/0xc0
[ 229.049168] __fput+0xe8/0x2c0
[ 229.049195] task_work_run+0x63/0xa0
[ 229.049217] do_exit+0x2c1/0xba0
[ 229.049244] do_group_exit+0x2d/0xc0
[ 229.049264] get_signal+0x82e/0x900
[ 229.049289] ? fsnotify_grab_connector+0x4a/0x90
[ 229.049319] arch_do_signal_or_restart+0x77/0x2b0
[ 229.049349] ? __call_rcu_common.constprop.0+0x9a/0x340
[ 229.049379] ? __fput+0x17f/0x2c0
[ 229.049403] exit_to_user_mode_loop+0x75/0x4a0
[ 229.049432] do_syscall_64+0x439/0xfc0
[ 229.049455] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.049481] RIP: 0033:0x47fb83
[ 229.049503] Code: Unable to access opcode bytes at 0x47fb59.
[ 229.049537] RSP: 002b:00007ffc8d97d850 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 229.049578] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83
[ 229.049618] RDX: 000000000000000e RSI: eb8a2c5615bdd6c0 RDI: 0000000000000007
[ 229.049659] RBP: 00007ffc8d97dd50 R08: 0000000000000041 R09: 000000003b7963e0
[ 229.049699] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
[ 229.049740] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540
[ 229.049782]
[ 229.049797] ---[ end trace 0000000000000000 ]---
[ 229.059080] ------------[ cut here ]------------
[ 229.059126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 229.059188] Modules linked in:
[ 229.059212] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.059270] Tainted: [W]=WARN
[ 229.059294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.059329] Workqueue: netns cleanup_net
[ 229.059359] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.059390] 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
[ 229.059489] RSP: 0018:ff60724180237c78 EFLAGS: 00010286
[ 229.059517] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.059559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29a26003111a00
[ 229.059600] RBP: 0000000000000000 R08: ff29a26002fa8050 R09: ff29a2600630382c
[ 229.059640] R10: ff29a26001d80118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.059680] R13: 0000000000000011 R14: ff29a26001d80000 R15: ff29a26003111a00
[ 229.059724] FS: 0000000000000000(0000) GS:ff29a26083896000(0000) knlGS:0000000000000000
[ 229.059770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.059807] CR2: 0000561bed0aa2b8 CR3: 0000000002e8d005 CR4: 0000000000771ef0
[ 229.059851] PKRU: 55555554
[ 229.059864] Call Trace:
[ 229.059883]
[ 229.059899] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.059930] default_device_exit_batch+0x318/0x390
[ 229.059959] ops_undo_list+0x10b/0x240
[ 229.059987] cleanup_net+0x1d7/0x2e0
[ 229.060016] process_one_work+0x162/0x360
[ 229.060049] worker_thread+0x16e/0x2d0
[ 229.060077] ? rescuer_thread+0x510/0x510
[ 229.060099] kthread+0xe1/0x120
[ 229.060122] ? kthread_park+0xa0/0xa0
[ 229.060144] ret_from_fork+0x16d/0x250
[ 229.060171] ? kthread_park+0xa0/0xa0
[ 229.060193] ret_from_fork_asm+0x11/0x20
[ 229.060219]
[ 229.060234] ---[ end trace 0000000000000000 ]---