[ 2.356933] ------------[ cut here ]------------
[ 2.356992] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/158
[ 2.357047] Modules linked in:
[ 2.357075] CPU: 0 UID: 0 PID: 158 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.357132] Tainted: [W]=WARN
[ 2.357156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.357191] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.357222] 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
[ 2.357316] RSP: 0018:ff5916a880407cc8 EFLAGS: 00010286
[ 2.357346] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.357387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82fcc600
[ 2.357427] RBP: 0000000000000000 R08: ff376a8b83352b10 R09: ff376a8b8475302c
[ 2.357467] R10: ff376a8b819b6118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.357513] R13: 0000000000000010 R14: ff376a8b819b6000 R15: ff376a8b82fcc600
[ 2.357558] FS: 00007f3e1489a740(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 2.357599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.357631] CR2: 0000559bcd65d310 CR3: 0000000004658001 CR4: 0000000000771ef0
[ 2.357671] PKRU: 55555554
[ 2.357691] Call Trace:
[ 2.357707]
[ 2.357721] rtmsg_ifinfo+0x3c/0xa0
[ 2.357743] register_netdevice+0x889/0x9f0
[ 2.357765] register_netdev+0x1e/0x30
[ 2.357785] loopback_net_init+0x57/0xb0
[ 2.357806] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.357834] ops_init+0x68/0x140
[ 2.357858] setup_net+0x85/0x150
[ 2.357879] copy_net_ns+0xf5/0x200
[ 2.357901] create_new_namespaces+0x117/0x2f0
[ 2.357931] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.357960] ksys_unshare+0x346/0x5e0
[ 2.357983] __x64_sys_unshare+0x12/0x20
[ 2.358006] do_syscall_64+0x104/0xfc0
[ 2.358029] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.358057] RIP: 0033:0x7f3e14995bcb
[ 2.358084] 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
[ 2.358174] RSP: 002b:00007ffc73c3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.358218] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e14995bcb
[ 2.358257] RDX: 0000000000000000 RSI: 00007ffc73c3ef50 RDI: 0000000040000000
[ 2.358295] RBP: 00007ffc73c3f570 R08: 00007ffc73c3f140 R09: 0000000000000000
[ 2.358335] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.358379] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000559bcd660b68
[ 2.358414]
[ 2.358429] ---[ end trace 0000000000000000 ]---
[ 2.361827] ------------[ cut here ]------------
[ 2.361865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/158
[ 2.361913] Modules linked in:
[ 2.361933] CPU: 0 UID: 0 PID: 158 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.361985] Tainted: [W]=WARN
[ 2.362007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.362038] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.362072] 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
[ 2.362168] RSP: 0018:ff5916a880407d68 EFLAGS: 00010286
[ 2.362198] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.362236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82fcc600
[ 2.362275] RBP: 0000000000000000 R08: ff376a8b83352c90 R09: ff376a8b84750030
[ 2.362314] R10: ff376a8b845d8118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.362351] R13: 0000000000000010 R14: ff376a8b845d8000 R15: ff376a8b82fcc600
[ 2.362393] FS: 0000000015b65400(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 2.362436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.362471] CR2: 00007faed62bf000 CR3: 000000000452f002 CR4: 0000000000771ef0
[ 2.362515] PKRU: 55555554
[ 2.362529] Call Trace:
[ 2.362542]
[ 2.362558] rtmsg_ifinfo+0x3c/0xa0
[ 2.362584] register_netdevice+0x889/0x9f0
[ 2.362605] __tun_chr_ioctl+0x83c/0x16c0
[ 2.362628] ? do_sys_openat2+0x9a/0xe0
[ 2.362651] __x64_sys_ioctl+0xa1/0xe0
[ 2.362673] do_syscall_64+0x104/0xfc0
[ 2.362694] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.362721] RIP: 0033:0x47cc8d
[ 2.362741] 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
[ 2.362832] RSP: 002b:00007ffc611bccd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.362871] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.362911] RDX: 00007ffc611bcd50 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.362951] RBP: 00007ffc611bcd20 R08: 0000000000000000 R09: 0000000000000000
[ 2.362990] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc611bd228
[ 2.363033] R13: 00007ffc611bd2a8 R14: 0000000000000002 R15: 0000000000543540
[ 2.363076]
[ 2.363092] ---[ end trace 0000000000000000 ]---
[ 2.363130] ------------[ cut here ]------------
[ 2.363158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/158
[ 2.363204] Modules linked in:
[ 2.363227] CPU: 0 UID: 0 PID: 158 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.363285] Tainted: [W]=WARN
[ 2.363317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.363351] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.363377] 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
[ 2.363465] RSP: 0018:ff5916a880407d60 EFLAGS: 00010286
[ 2.363496] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.363537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82fcc600
[ 2.363574] RBP: 0000000000000002 R08: ff376a8b83352c90 R09: ff376a8b84750030
[ 2.363614] R10: ff376a8b845d8118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.363652] R13: 0000000000000010 R14: ff376a8b845d8000 R15: ff376a8b82fcc600
[ 2.363696] FS: 0000000015b65400(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 2.363738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.363771] CR2: 00007faed62bf000 CR3: 000000000452f002 CR4: 0000000000771ef0
[ 2.363812] PKRU: 55555554
[ 2.363826] Call Trace:
[ 2.363841]
[ 2.363857] rtnetlink_event+0x6e/0xb0
[ 2.363878] notifier_call_chain+0x6d/0x100
[ 2.363902] netdev_update_features+0x56/0x60
[ 2.363931] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.363954] ? file_init_path+0x62/0x120
[ 2.363978] __x64_sys_ioctl+0xa1/0xe0
[ 2.364004] do_syscall_64+0x104/0xfc0
[ 2.364025] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.364058] RIP: 0033:0x47cc8d
[ 2.364082] 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
[ 2.364169] RSP: 002b:00007ffc611bcd10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.364210] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.364248] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.364289] RBP: 00007ffc611bcd60 R08: 0000000000000000 R09: 0000000000000000
[ 2.364334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc611bd228
[ 2.364370] R13: 00007ffc611bd2a8 R14: 0000000000000002 R15: 0000000000543540
[ 2.364411]
[ 2.364425] ---[ end trace 0000000000000000 ]---
[ 2.364465] ------------[ cut here ]------------
[ 2.364500] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/158
[ 2.364543] Modules linked in:
[ 2.364566] CPU: 0 UID: 0 PID: 158 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.364618] Tainted: [W]=WARN
[ 2.364638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.364668] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.364694] 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
[ 2.364780] RSP: 0018:ff5916a880407c10 EFLAGS: 00010286
[ 2.364807] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.364848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82fcc600
[ 2.364890] RBP: 0000000000000000 R08: ff376a8b83352c90 R09: ff376a8b84755030
[ 2.364934] R10: ff376a8b845d8118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.364973] R13: 0000000000000010 R14: ff376a8b845d8000 R15: ff376a8b82fcc600
[ 2.365016] FS: 0000000015b65400(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 2.365057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.365092] CR2: 00007faed62bf000 CR3: 000000000452f002 CR4: 0000000000771ef0
[ 2.365136] PKRU: 55555554
[ 2.365150] Call Trace:
[ 2.365165]
[ 2.365181] rtmsg_ifinfo+0x3c/0xa0
[ 2.365202] __dev_notify_flags+0xb1/0xf0
[ 2.365225] netif_change_flags+0x54/0x70
[ 2.365246] dev_change_flags+0x45/0x80
[ 2.365272] devinet_ioctl+0x607/0x7f0
[ 2.365295] inet_ioctl+0x229/0x240
[ 2.365316] ? __rtnl_unlock+0x35/0x60
[ 2.365339] sock_do_ioctl+0x75/0x140
[ 2.365362] __x64_sys_ioctl+0xa1/0xe0
[ 2.365387] do_syscall_64+0x104/0xfc0
[ 2.365408] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.365436] RIP: 0033:0x47cc8d
[ 2.365458] 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
[ 2.365554] RSP: 002b:00007ffc611bccf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.365594] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.365636] RDX: 00007ffc611bcd60 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.365679] RBP: 00007ffc611bcd40 R08: 0000000000000000 R09: 0000000000000000
[ 2.365716] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc611bd228
[ 2.365754] R13: 00007ffc611bd2a8 R14: 0000000000000002 R15: 0000000000543540
[ 2.365793]
[ 2.365805] ---[ end trace 0000000000000000 ]---
[ 47.335377] ------------[ cut here ]------------
[ 47.335475] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/158
[ 47.335544] Modules linked in:
[ 47.335572] CPU: 0 UID: 0 PID: 158 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.335630] Tainted: [W]=WARN
[ 47.335655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.335689] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.335721] 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
[ 47.335825] RSP: 0018:ff5916a880407b58 EFLAGS: 00010286
[ 47.335850] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.335892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82ffb400
[ 47.335936] RBP: 0000000000000000 R08: ff376a8b83352c90 R09: ff376a8b84755030
[ 47.335972] R10: ff376a8b845d8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.336006] R13: 0000000000000010 R14: ff376a8b845d8000 R15: ff376a8b82ffb400
[ 47.336056] FS: 0000000000000000(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 47.336098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.336137] CR2: 00007faed62bf000 CR3: 000000003c442003 CR4: 0000000000771ef0
[ 47.336182] PKRU: 55555554
[ 47.336196] Call Trace:
[ 47.336222]
[ 47.336239] rtmsg_ifinfo+0x3c/0xa0
[ 47.336261] netif_close_many+0xed/0x190
[ 47.336285] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.336314] ? __queue_work+0x141/0x550
[ 47.336337] unregister_netdevice_queue+0x9e/0xd0
[ 47.336368] __tun_detach+0x591/0x5b0
[ 47.336394] tun_chr_close+0x3f/0xc0
[ 47.336414] __fput+0xe8/0x2c0
[ 47.336441] task_work_run+0x63/0xa0
[ 47.336465] do_exit+0x2c1/0xba0
[ 47.336494] do_group_exit+0x2d/0xc0
[ 47.336517] get_signal+0x82e/0x900
[ 47.336545] ? netlink_bind+0x3d2/0x420
[ 47.336568] arch_do_signal_or_restart+0x77/0x2b0
[ 47.336599] ? __sys_bind+0xc1/0x120
[ 47.336622] exit_to_user_mode_loop+0x75/0x4a0
[ 47.336652] do_syscall_64+0x439/0xfc0
[ 47.336676] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.336707] RIP: 0033:0x47e7bb
[ 47.336731] Code: Unable to access opcode bytes at 0x47e791.
[ 47.336769] RSP: 002b:00007ffc611bc778 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
[ 47.336811] RAX: 0000000000000000 RBX: 00007ffc611bc850 RCX: 000000000047e7bb
[ 47.336856] RDX: 000000000000000c RSI: 00007ffc611bc78c RDI: 0000000000000007
[ 47.336897] RBP: 00007ffc611bc7b0 R08: 0000000000000041 R09: 0000000015b663e0
[ 47.336937] R10: 0000000000000040 R11: 0000000000000246 R12: 00007ffc611bd228
[ 47.336979] R13: 00007ffc611bd2a8 R14: 00007ffc611bcd28 R15: 0000000000543540
[ 47.337020]
[ 47.337034] ---[ end trace 0000000000000000 ]---
[ 47.337124] ------------[ cut here ]------------
[ 47.337152] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/158
[ 47.337199] Modules linked in:
[ 47.337225] CPU: 0 UID: 0 PID: 158 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.337285] Tainted: [W]=WARN
[ 47.337307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.337342] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.337369] 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
[ 47.337460] RSP: 0018:ff5916a880407bc8 EFLAGS: 00010286
[ 47.337644] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.337684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b82ffb400
[ 47.337726] RBP: 0000000000000000 R08: ff376a8b83352c90 R09: ff376a8b8475d030
[ 47.337767] R10: ff376a8b845d8118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.337811] R13: 0000000000000011 R14: ff376a8b845d8000 R15: ff376a8b82ffb400
[ 47.337854] FS: 0000000000000000(0000) GS:ff376a8c19696000(0000) knlGS:0000000000000000
[ 47.337896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.337928] CR2: 00007faed62bf000 CR3: 000000003c442003 CR4: 0000000000771ef0
[ 47.337966] PKRU: 55555554
[ 47.337981] Call Trace:
[ 47.337997]
[ 47.338014] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.338043] unregister_netdevice_queue+0x9e/0xd0
[ 47.338072] __tun_detach+0x591/0x5b0
[ 47.338095] tun_chr_close+0x3f/0xc0
[ 47.338119] __fput+0xe8/0x2c0
[ 47.338142] task_work_run+0x63/0xa0
[ 47.338163] do_exit+0x2c1/0xba0
[ 47.338186] do_group_exit+0x2d/0xc0
[ 47.338206] get_signal+0x82e/0x900
[ 47.338231] ? netlink_bind+0x3d2/0x420
[ 47.338253] arch_do_signal_or_restart+0x77/0x2b0
[ 47.338282] ? __sys_bind+0xc1/0x120
[ 47.338305] exit_to_user_mode_loop+0x75/0x4a0
[ 47.338332] do_syscall_64+0x439/0xfc0
[ 47.338356] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.338385] RIP: 0033:0x47e7bb
[ 47.338404] Code: Unable to access opcode bytes at 0x47e791.
[ 47.338440] RSP: 002b:00007ffc611bc778 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
[ 47.338482] RAX: 0000000000000000 RBX: 00007ffc611bc850 RCX: 000000000047e7bb
[ 47.338521] RDX: 000000000000000c RSI: 00007ffc611bc78c RDI: 0000000000000007
[ 47.338561] RBP: 00007ffc611bc7b0 R08: 0000000000000041 R09: 0000000015b663e0
[ 47.338600] R10: 0000000000000040 R11: 0000000000000246 R12: 00007ffc611bd228
[ 47.338641] R13: 00007ffc611bd2a8 R14: 00007ffc611bcd28 R15: 0000000000543540
[ 47.338680]
[ 47.338693] ---[ end trace 0000000000000000 ]---
[ 47.357563] ------------[ cut here ]------------
[ 47.357657] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[ 47.357732] Modules linked in:
[ 47.357754] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.357819] Tainted: [W]=WARN
[ 47.357841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.357871] Workqueue: netns cleanup_net
[ 47.357895] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.357926] 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
[ 47.358023] RSP: 0018:ff5916a88023fc78 EFLAGS: 00010286
[ 47.358052] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.358095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff376a8b81934600
[ 47.358140] RBP: 0000000000000000 R08: ff376a8b83352b10 R09: ff376a8b8303282c
[ 47.358180] R10: ff376a8b819b6118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.358230] R13: 0000000000000011 R14: ff376a8b819b6000 R15: ff376a8b81934600
[ 47.358279] FS: 0000000000000000(0000) GS:ff376a8c19716000(0000) knlGS:0000000000000000
[ 47.358321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.358349] CR2: 00007f8f9fc88680 CR3: 000000003c442003 CR4: 0000000000771ef0
[ 47.358402] PKRU: 55555554
[ 47.358415] Call Trace:
[ 47.358431]
[ 47.358444] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.358472] default_device_exit_batch+0x318/0x390
[ 47.358508] ops_undo_list+0x10b/0x240
[ 47.358530] cleanup_net+0x1d7/0x2e0
[ 47.358554] process_one_work+0x162/0x360
[ 47.358579] worker_thread+0x16e/0x2d0
[ 47.358604] ? rescuer_thread+0x510/0x510
[ 47.358627] kthread+0xe1/0x120
[ 47.358651] ? kthread_park+0xa0/0xa0
[ 47.358672] ret_from_fork+0x16d/0x250
[ 47.358697] ? kthread_park+0xa0/0xa0
[ 47.358731] ret_from_fork_asm+0x11/0x20
[ 47.358755]
[ 47.358767] ---[ end trace 0000000000000000 ]---