[ 93.168438] ------------[ cut here ]------------
[ 93.168521] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/247
[ 93.168612] Modules linked in:
[ 93.168673] CPU: 2 UID: 0 PID: 247 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.168773] Tainted: [W]=WARN
[ 93.168834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.168907] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.168973] 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
[ 93.169121] RSP: 0018:ff60a8d6804d7cc8 EFLAGS: 00010286
[ 93.169195] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.169277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36243042d00
[ 93.169357] RBP: 0000000000000000 R08: ff26e362433687d0 R09: ff26e362431ed02c
[ 93.169444] R10: ff26e362431e8118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.169523] R13: 0000000000000010 R14: ff26e362431e8000 R15: ff26e36243042d00
[ 93.169604] FS: 00007f6a0b0e5740(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 93.169682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.169755] CR2: 00007f6a0b1b0820 CR3: 000000000700d006 CR4: 0000000000771ef0
[ 93.169837] PKRU: 55555554
[ 93.169885] Call Trace:
[ 93.169938]
[ 93.169991] rtmsg_ifinfo+0x3c/0xa0
[ 93.170052] register_netdevice+0x889/0x9f0
[ 93.170115] register_netdev+0x1e/0x30
[ 93.170183] loopback_net_init+0x57/0xb0
[ 93.170244] ? vsock_sysctl_init_net+0xb6/0x140
[ 93.170313] ops_init+0x68/0x140
[ 93.170384] setup_net+0x85/0x150
[ 93.170442] copy_net_ns+0xf5/0x200
[ 93.170504] create_new_namespaces+0x117/0x2f0
[ 93.170576] unshare_nsproxy_namespaces+0x85/0xb0
[ 93.170639] ksys_unshare+0x346/0x5e0
[ 93.170702] __x64_sys_unshare+0x12/0x20
[ 93.170760] do_syscall_64+0x104/0xfc0
[ 93.170823] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.170891] RIP: 0033:0x7f6a0b1e0bcb
[ 93.170951] 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
[ 93.171090] RSP: 002b:00007ffcdbc7cc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 93.171167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a0b1e0bcb
[ 93.171252] RDX: 0000000000000000 RSI: 00007ffcdbc7ca00 RDI: 0000000040000000
[ 93.171330] RBP: 00007ffcdbc7d020 R08: 00007ffcdbc7cbf0 R09: 0000000000000000
[ 93.171411] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 93.171488] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000558e9edd5b68
[ 93.171579]
[ 93.171631] ---[ end trace 0000000000000000 ]---
[ 93.172342] ------------[ cut here ]------------
[ 93.172412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/247
[ 93.172501] Modules linked in:
[ 93.172559] CPU: 2 UID: 0 PID: 247 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.172653] Tainted: [W]=WARN
[ 93.172709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.172781] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.172847] 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
[ 93.172990] RSP: 0018:ff60a8d6804d7d68 EFLAGS: 00010286
[ 93.173055] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.173133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36243042d00
[ 93.173217] RBP: 0000000000000000 R08: ff26e362432c8310 R09: ff26e36241e7d030
[ 93.173296] R10: ff26e36244c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.173384] R13: 0000000000000010 R14: ff26e36244c4c000 R15: ff26e36243042d00
[ 93.173468] FS: 0000000007296400(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 93.173550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.173621] CR2: 00007f05884a7000 CR3: 000000000193f001 CR4: 0000000000771ef0
[ 93.173699] PKRU: 55555554
[ 93.173748] Call Trace:
[ 93.173796]
[ 93.173845] rtmsg_ifinfo+0x3c/0xa0
[ 93.173903] register_netdevice+0x889/0x9f0
[ 93.173960] __tun_chr_ioctl+0x83c/0x16c0
[ 93.174024] ? do_sys_openat2+0x9a/0xe0
[ 93.174090] __x64_sys_ioctl+0xa1/0xe0
[ 93.174156] do_syscall_64+0x104/0xfc0
[ 93.174224] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.174294] RIP: 0033:0x47cc8d
[ 93.174355] 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
[ 93.174492] RSP: 002b:00007ffe0138a9b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.174572] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.174653] RDX: 00007ffe0138aa30 RSI: 00000000400454ca RDI: 0000000000000005
[ 93.174735] RBP: 00007ffe0138aa00 R08: 0000000000000000 R09: 0000000000000000
[ 93.174813] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0138af08
[ 93.174892] R13: 00007ffe0138af88 R14: 0000000000000002 R15: 0000000000543540
[ 93.174974]
[ 93.175025] ---[ end trace 0000000000000000 ]---
[ 93.175116] ------------[ cut here ]------------
[ 93.175185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/247
[ 93.175271] Modules linked in:
[ 93.175327] CPU: 2 UID: 0 PID: 247 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.175426] Tainted: [W]=WARN
[ 93.175481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.175552] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.175616] 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
[ 93.175760] RSP: 0018:ff60a8d6804d7d60 EFLAGS: 00010286
[ 93.175825] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 93.175904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36243042d00
[ 93.175982] RBP: 0000000000000002 R08: ff26e362432c8310 R09: ff26e36241e7d030
[ 93.176060] R10: ff26e36244c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.176139] R13: 0000000000000010 R14: ff26e36244c4c000 R15: ff26e36243042d00
[ 93.176227] FS: 0000000007296400(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 93.176310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.176387] CR2: 00007f05884a7000 CR3: 000000000193f001 CR4: 0000000000771ef0
[ 93.176465] PKRU: 55555554
[ 93.176514] Call Trace:
[ 93.176563]
[ 93.176611] rtnetlink_event+0x6e/0xb0
[ 93.176669] notifier_call_chain+0x6d/0x100
[ 93.176728] netdev_update_features+0x56/0x60
[ 93.176794] __tun_chr_ioctl+0xbf1/0x16c0
[ 93.176853] ? file_init_path+0x62/0x120
[ 93.176911] __x64_sys_ioctl+0xa1/0xe0
[ 93.176969] do_syscall_64+0x104/0xfc0
[ 93.177026] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.177090] RIP: 0033:0x47cc8d
[ 93.177146] 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
[ 93.177284] RSP: 002b:00007ffe0138a9f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.177361] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.177439] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 93.177515] RBP: 00007ffe0138aa40 R08: 0000000000000005 R09: 0000000000001ff0
[ 93.177592] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe0138af08
[ 93.177667] R13: 00007ffe0138af88 R14: 0000000000000002 R15: 0000000000543540
[ 93.177744]
[ 93.177792] ---[ end trace 0000000000000000 ]---
[ 93.177878] ------------[ cut here ]------------
[ 93.177941] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/247
[ 93.178030] Modules linked in:
[ 93.178087] CPU: 2 UID: 0 PID: 247 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.178186] Tainted: [W]=WARN
[ 93.178241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.178310] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.178381] 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
[ 93.178511] RSP: 0018:ff60a8d6804d7c10 EFLAGS: 00010286
[ 93.178574] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 93.178650] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36243042d00
[ 93.178727] RBP: 0000000000000000 R08: ff26e362432c8310 R09: ff26e36247d03030
[ 93.178804] R10: ff26e36244c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.178879] R13: 0000000000000010 R14: ff26e36244c4c000 R15: ff26e36243042d00
[ 93.178960] FS: 0000000007296400(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 93.179040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.179110] CR2: 00007f05884a7000 CR3: 000000000193f001 CR4: 0000000000771ef0
[ 93.179194] PKRU: 55555554
[ 93.179244] Call Trace:
[ 93.179293]
[ 93.179341] rtmsg_ifinfo+0x3c/0xa0
[ 93.179403] __dev_notify_flags+0xb1/0xf0
[ 93.179462] netif_change_flags+0x54/0x70
[ 93.179520] dev_change_flags+0x45/0x80
[ 93.179578] devinet_ioctl+0x607/0x7f0
[ 93.179638] inet_ioctl+0x229/0x240
[ 93.179696] ? __rtnl_unlock+0x35/0x60
[ 93.179754] sock_do_ioctl+0x75/0x140
[ 93.179813] __x64_sys_ioctl+0xa1/0xe0
[ 93.179871] do_syscall_64+0x104/0xfc0
[ 93.179929] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.179992] RIP: 0033:0x47cc8d
[ 93.180048] 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
[ 93.180185] RSP: 002b:00007ffe0138a9d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.180264] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.180341] RDX: 00007ffe0138aa40 RSI: 0000000000008914 RDI: 0000000000000006
[ 93.180423] RBP: 00007ffe0138aa20 R08: 0000000000000005 R09: 0000000000001ff0
[ 93.180500] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffe0138af08
[ 93.180576] R13: 00007ffe0138af88 R14: 0000000000000002 R15: 0000000000543540
[ 93.180655]
[ 93.180703] ---[ end trace 0000000000000000 ]---
[ 138.154798] ------------[ cut here ]------------
[ 138.154918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/247
[ 138.155021] Modules linked in:
[ 138.155081] CPU: 2 UID: 0 PID: 247 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.155185] Tainted: [W]=WARN
[ 138.155266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.155338] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.155404] 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
[ 138.155539] RSP: 0018:ff60a8d6804d7b58 EFLAGS: 00010286
[ 138.155603] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 138.155678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8d00
[ 138.155760] RBP: 0000000000000000 R08: ff26e362432c8310 R09: ff26e36247d03030
[ 138.155837] R10: ff26e36244c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.155915] R13: 0000000000000010 R14: ff26e36244c4c000 R15: ff26e36241dd8d00
[ 138.156000] FS: 0000000000000000(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 138.156085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.156154] CR2: 00007ffeaab70a00 CR3: 000000003e242004 CR4: 0000000000771ef0
[ 138.156489] PKRU: 55555554
[ 138.156541] Call Trace:
[ 138.156591]
[ 138.156640] rtmsg_ifinfo+0x3c/0xa0
[ 138.156698] netif_close_many+0xed/0x190
[ 138.156765] unregister_netdevice_many_notify+0x267/0x9d0
[ 138.156831] ? __queue_work+0x141/0x550
[ 138.156892] unregister_netdevice_queue+0x9e/0xd0
[ 138.156956] __tun_detach+0x591/0x5b0
[ 138.157018] tun_chr_close+0x3f/0xc0
[ 138.157076] __fput+0xe8/0x2c0
[ 138.157136] task_work_run+0x63/0xa0
[ 138.157201] do_exit+0x2c1/0xba0
[ 138.157260] ? netlink_dump+0x336/0x450
[ 138.157318] do_group_exit+0x2d/0xc0
[ 138.157375] get_signal+0x82e/0x900
[ 138.157434] arch_do_signal_or_restart+0x77/0x2b0
[ 138.157501] exit_to_user_mode_loop+0x75/0x4a0
[ 138.157567] do_syscall_64+0x439/0xfc0
[ 138.157669] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.157797] RIP: 0033:0x4c2d9e
[ 138.157899] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.158029] RSP: 002b:00007ffe0138a360 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.158196] RAX: 0000000000000050 RBX: 00007ffe0138a3f0 RCX: 00000000004c2d9e
[ 138.158356] RDX: 0000000000000000 RSI: 00007ffe0138a400 RDI: 0000000000000007
[ 138.158514] RBP: 00007ffe0138a370 R08: 0000000000000000 R09: 0000000000000000
[ 138.158672] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0138a3e4
[ 138.158808] R13: 00007ffe0138af88 R14: 00007ffe0138a530 R15: 0000000000543540
[ 138.158969]
[ 138.159045] ---[ end trace 0000000000000000 ]---
[ 138.159235] ------------[ cut here ]------------
[ 138.159367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/247
[ 138.159537] Modules linked in:
[ 138.159720] CPU: 2 UID: 0 PID: 247 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.160022] Tainted: [W]=WARN
[ 138.160148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.160693] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.160877] 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
[ 138.161334] RSP: 0018:ff60a8d6804d7bc8 EFLAGS: 00010286
[ 138.161548] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.161812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8d00
[ 138.162058] RBP: 0000000000000000 R08: ff26e362432c8310 R09: ff26e36247322030
[ 138.162276] R10: ff26e36244c4c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.162452] R13: 0000000000000011 R14: ff26e36244c4c000 R15: ff26e36241dd8d00
[ 138.162652] FS: 0000000000000000(0000) GS:ff26e362f5b96000(0000) knlGS:0000000000000000
[ 138.162824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.163021] CR2: 00007ffeaab70a00 CR3: 000000003e242004 CR4: 0000000000771ef0
[ 138.163186] PKRU: 55555554
[ 138.163274] Call Trace:
[ 138.163322]
[ 138.163398] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.163482] unregister_netdevice_queue+0x9e/0xd0
[ 138.163634] __tun_detach+0x591/0x5b0
[ 138.163748] tun_chr_close+0x3f/0xc0
[ 138.163841] __fput+0xe8/0x2c0
[ 138.163950] task_work_run+0x63/0xa0
[ 138.164048] do_exit+0x2c1/0xba0
[ 138.164156] ? netlink_dump+0x336/0x450
[ 138.164224] do_group_exit+0x2d/0xc0
[ 138.164329] get_signal+0x82e/0x900
[ 138.164437] arch_do_signal_or_restart+0x77/0x2b0
[ 138.164565] exit_to_user_mode_loop+0x75/0x4a0
[ 138.164652] do_syscall_64+0x439/0xfc0
[ 138.164759] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.164862] RIP: 0033:0x4c2d9e
[ 138.164967] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.165106] RSP: 002b:00007ffe0138a360 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.165234] RAX: 0000000000000050 RBX: 00007ffe0138a3f0 RCX: 00000000004c2d9e
[ 138.165386] RDX: 0000000000000000 RSI: 00007ffe0138a400 RDI: 0000000000000007
[ 138.165549] RBP: 00007ffe0138a370 R08: 0000000000000000 R09: 0000000000000000
[ 138.165689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0138a3e4
[ 138.165855] R13: 00007ffe0138af88 R14: 00007ffe0138a530 R15: 0000000000543540
[ 138.165998]
[ 138.166083] ---[ end trace 0000000000000000 ]---
[ 138.173353] ------------[ cut here ]------------
[ 138.173452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[ 138.173631] Modules linked in:
[ 138.173697] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.173873] Tainted: [W]=WARN
[ 138.173946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.174060] Workqueue: netns cleanup_net
[ 138.174120] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.174217] 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
[ 138.174390] RSP: 0018:ff60a8d680237c78 EFLAGS: 00010286
[ 138.174473] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.174607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8e00
[ 138.174724] RBP: 0000000000000000 R08: ff26e362433687d0 R09: ff26e3624731282c
[ 138.174841] R10: ff26e362431e8118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.174983] R13: 0000000000000011 R14: ff26e362431e8000 R15: ff26e36241dd8e00
[ 138.175099] FS: 0000000000000000(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 138.175222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.175326] CR2: 000056328aeef2b8 CR3: 000000000307d005 CR4: 0000000000771ef0
[ 138.175432] PKRU: 55555554
[ 138.175485] Call Trace:
[ 138.175528]
[ 138.175569] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.175655] default_device_exit_batch+0x318/0x390
[ 138.175734] ops_undo_list+0x10b/0x240
[ 138.175800] cleanup_net+0x1d7/0x2e0
[ 138.175870] process_one_work+0x162/0x360
[ 138.175934] worker_thread+0x16e/0x2d0
[ 138.175995] ? rescuer_thread+0x510/0x510
[ 138.176070] kthread+0xe1/0x120
[ 138.176148] ? kthread_park+0xa0/0xa0
[ 138.176210] ret_from_fork+0x16d/0x250
[ 138.176256] ? kthread_park+0xa0/0xa0
[ 138.176328] ret_from_fork_asm+0x11/0x20
[ 138.176393]
[ 138.176439] ---[ end trace 0000000000000000 ]---