[ 2.261636] ------------[ cut here ]------------
[ 2.261720] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/159
[ 2.261843] Modules linked in:
[ 2.261955] CPU: 2 UID: 0 PID: 159 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.262050] Tainted: [W]=WARN
[ 2.262143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.262209] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.262275] 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
[ 2.262415] RSP: 0018:ff798893802f3cc8 EFLAGS: 00010286
[ 2.262479] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.262560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0305be00
[ 2.262665] RBP: 0000000000000000 R08: ff3f40af0335ba10 R09: ff3f40af04abb02c
[ 2.262787] R10: ff3f40af019b6118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.262876] R13: 0000000000000010 R14: ff3f40af019b6000 R15: ff3f40af0305be00
[ 2.262971] FS: 00007f5dd48ed740(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 2.263063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.263148] CR2: 000055f8580e1310 CR3: 00000000048ad004 CR4: 0000000000771ef0
[ 2.263243] PKRU: 55555554
[ 2.263300] Call Trace:
[ 2.263365]
[ 2.263422] rtmsg_ifinfo+0x3c/0xa0
[ 2.263486] register_netdevice+0x889/0x9f0
[ 2.263557] register_netdev+0x1e/0x30
[ 2.263611] loopback_net_init+0x57/0xb0
[ 2.263671] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.263741] ops_init+0x68/0x140
[ 2.263812] setup_net+0x85/0x150
[ 2.263877] copy_net_ns+0xf5/0x200
[ 2.263940] create_new_namespaces+0x117/0x2f0
[ 2.264024] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.264115] ksys_unshare+0x346/0x5e0
[ 2.264175] __x64_sys_unshare+0x12/0x20
[ 2.264232] do_syscall_64+0x104/0xfc0
[ 2.264290] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.264355] RIP: 0033:0x7f5dd49e8bcb
[ 2.264412] 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
[ 2.264544] RSP: 002b:00007fff38f28e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.264622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5dd49e8bcb
[ 2.264699] RDX: 0000000000000000 RSI: 00007fff38f28b70 RDI: 0000000040000000
[ 2.264777] RBP: 00007fff38f29190 R08: 00007fff38f28d60 R09: 0000000000000000
[ 2.264854] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.264937] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055f8580e4b68
[ 2.265016]
[ 2.265064] ---[ end trace 0000000000000000 ]---
[ 2.268246] ------------[ cut here ]------------
[ 2.268309] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/159
[ 2.268399] Modules linked in:
[ 2.268456] CPU: 2 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.268550] Tainted: [W]=WARN
[ 2.268604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.268673] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.268738] 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
[ 2.268871] RSP: 0018:ff798893802f3d68 EFLAGS: 00010286
[ 2.268937] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.269013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0305be00
[ 2.269088] RBP: 0000000000000000 R08: ff3f40af03341a50 R09: ff3f40af04ab8030
[ 2.269169] R10: ff3f40af04994118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.269244] R13: 0000000000000010 R14: ff3f40af04994000 R15: ff3f40af0305be00
[ 2.269324] FS: 00000000284df400(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 2.269401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.269470] CR2: 00007fb779c2c000 CR3: 0000000004a44005 CR4: 0000000000771ef0
[ 2.269547] PKRU: 55555554
[ 2.269595] Call Trace:
[ 2.269643]
[ 2.269691] rtmsg_ifinfo+0x3c/0xa0
[ 2.269748] register_netdevice+0x889/0x9f0
[ 2.269804] __tun_chr_ioctl+0x83c/0x16c0
[ 2.269863] ? do_sys_openat2+0x9a/0xe0
[ 2.269927] __x64_sys_ioctl+0xa1/0xe0
[ 2.269986] do_syscall_64+0x104/0xfc0
[ 2.270043] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.270106] RIP: 0033:0x47cc8d
[ 2.270172] 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
[ 2.270301] RSP: 002b:00007ffcf224edc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.270378] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.270454] RDX: 00007ffcf224ee40 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.270529] RBP: 00007ffcf224ee10 R08: 0000000000000000 R09: 0000000000000000
[ 2.270606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf224f318
[ 2.270683] R13: 00007ffcf224f398 R14: 0000000000000002 R15: 0000000000543540
[ 2.270760]
[ 2.270808] ---[ end trace 0000000000000000 ]---
[ 2.270888] ------------[ cut here ]------------
[ 2.270953] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/159
[ 2.271041] Modules linked in:
[ 2.271097] CPU: 2 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.271193] Tainted: [W]=WARN
[ 2.271248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.271317] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.271380] 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
[ 2.271518] RSP: 0018:ff798893802f3d60 EFLAGS: 00010286
[ 2.271581] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.271657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0305be00
[ 2.271733] RBP: 0000000000000002 R08: ff3f40af03341a50 R09: ff3f40af04ab8030
[ 2.271812] R10: ff3f40af04994118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.271888] R13: 0000000000000010 R14: ff3f40af04994000 R15: ff3f40af0305be00
[ 2.271977] FS: 00000000284df400(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 2.272059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.272135] CR2: 00007fb779c2c000 CR3: 0000000004a44005 CR4: 0000000000771ef0
[ 2.272213] PKRU: 55555554
[ 2.272260] Call Trace:
[ 2.272309]
[ 2.272357] rtnetlink_event+0x6e/0xb0
[ 2.272414] notifier_call_chain+0x6d/0x100
[ 2.272471] netdev_update_features+0x56/0x60
[ 2.272536] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.272593] ? file_init_path+0x62/0x120
[ 2.272650] __x64_sys_ioctl+0xa1/0xe0
[ 2.272707] do_syscall_64+0x104/0xfc0
[ 2.272764] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.272828] RIP: 0033:0x47cc8d
[ 2.272885] 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
[ 2.273023] RSP: 002b:00007ffcf224ee00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.273101] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.273182] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.273258] RBP: 00007ffcf224ee50 R08: 0000000000000000 R09: 0000000000000000
[ 2.273334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf224f318
[ 2.273413] R13: 00007ffcf224f398 R14: 0000000000000002 R15: 0000000000543540
[ 2.273490]
[ 2.273538] ---[ end trace 0000000000000000 ]---
[ 2.273618] ------------[ cut here ]------------
[ 2.273680] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/159
[ 2.273765] Modules linked in:
[ 2.273820] CPU: 2 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.273917] Tainted: [W]=WARN
[ 2.273974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.274049] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.274119] 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
[ 2.274251] RSP: 0018:ff798893802f3c10 EFLAGS: 00010286
[ 2.274314] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.274392] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0305be00
[ 2.274468] RBP: 0000000000000000 R08: ff3f40af03341a50 R09: ff3f40af04abd030
[ 2.274544] R10: ff3f40af04994118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.274620] R13: 0000000000000010 R14: ff3f40af04994000 R15: ff3f40af0305be00
[ 2.274701] FS: 00000000284df400(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 2.274782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.274853] CR2: 00007fb779c2c000 CR3: 0000000004a44005 CR4: 0000000000771ef0
[ 2.274938] PKRU: 55555554
[ 2.274986] Call Trace:
[ 2.275034]
[ 2.275082] rtmsg_ifinfo+0x3c/0xa0
[ 2.275144] __dev_notify_flags+0xb1/0xf0
[ 2.275201] netif_change_flags+0x54/0x70
[ 2.275258] dev_change_flags+0x45/0x80
[ 2.275315] devinet_ioctl+0x607/0x7f0
[ 2.275373] inet_ioctl+0x229/0x240
[ 2.275431] ? __rtnl_unlock+0x35/0x60
[ 2.275487] sock_do_ioctl+0x75/0x140
[ 2.275545] __x64_sys_ioctl+0xa1/0xe0
[ 2.275602] do_syscall_64+0x104/0xfc0
[ 2.275659] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.275723] RIP: 0033:0x47cc8d
[ 2.275779] 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
[ 2.275917] RSP: 002b:00007ffcf224ede0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.275996] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.276072] RDX: 00007ffcf224ee50 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.276154] RBP: 00007ffcf224ee30 R08: 0000000000000000 R09: 0000000000000000
[ 2.276231] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf224f318
[ 2.276307] R13: 00007ffcf224f398 R14: 0000000000000002 R15: 0000000000543540
[ 2.276385]
[ 2.276433] ---[ end trace 0000000000000000 ]---
[ 47.244868] ------------[ cut here ]------------
[ 47.244986] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/159
[ 47.245082] Modules linked in:
[ 47.245189] CPU: 2 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.245285] Tainted: [W]=WARN
[ 47.245343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.245414] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.245479] 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
[ 47.245606] RSP: 0018:ff798893802f3b58 EFLAGS: 00010286
[ 47.245686] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.245794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0188f600
[ 47.245872] RBP: 0000000000000000 R08: ff3f40af03341a50 R09: ff3f40af04abd030
[ 47.245947] R10: ff3f40af04994118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.246030] R13: 0000000000000010 R14: ff3f40af04994000 R15: ff3f40af0188f600
[ 47.246294] FS: 0000000000000000(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 47.246406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.246520] CR2: 00007fb779c2c000 CR3: 0000000025242002 CR4: 0000000000771ef0
[ 47.246637] PKRU: 55555554
[ 47.246710] Call Trace:
[ 47.246781]
[ 47.246846] rtmsg_ifinfo+0x3c/0xa0
[ 47.246916] netif_close_many+0xed/0x190
[ 47.246998] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.247099] ? __queue_work+0x141/0x550
[ 47.247176] unregister_netdevice_queue+0x9e/0xd0
[ 47.247264] __tun_detach+0x591/0x5b0
[ 47.247339] tun_chr_close+0x3f/0xc0
[ 47.247402] __fput+0xe8/0x2c0
[ 47.247478] task_work_run+0x63/0xa0
[ 47.247559] do_exit+0x2c1/0xba0
[ 47.247635] ? netlink_dump+0x336/0x450
[ 47.247725] do_group_exit+0x2d/0xc0
[ 47.247783] get_signal+0x82e/0x900
[ 47.247848] arch_do_signal_or_restart+0x77/0x2b0
[ 47.247915] exit_to_user_mode_loop+0x75/0x4a0
[ 47.247981] do_syscall_64+0x439/0xfc0
[ 47.248053] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.248128] RIP: 0033:0x4c2d9e
[ 47.248185] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.248255] RSP: 002b:00007ffcf224e770 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.248332] RAX: 0000000000000050 RBX: 00007ffcf224e800 RCX: 00000000004c2d9e
[ 47.248409] RDX: 0000000000000000 RSI: 00007ffcf224e810 RDI: 0000000000000007
[ 47.248486] RBP: 00007ffcf224e780 R08: 0000000000000000 R09: 0000000000000000
[ 47.248561] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf224e7f4
[ 47.248638] R13: 00007ffcf224f398 R14: 00007ffcf224e940 R15: 0000000000543540
[ 47.248714]
[ 47.248762] ---[ end trace 0000000000000000 ]---
[ 47.248910] ------------[ cut here ]------------
[ 47.248976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/159
[ 47.249067] Modules linked in:
[ 47.249132] CPU: 2 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.249224] Tainted: [W]=WARN
[ 47.249279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.249348] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.249411] 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
[ 47.249546] RSP: 0018:ff798893802f3bc8 EFLAGS: 00010286
[ 47.249610] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.249686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0188f600
[ 47.249761] RBP: 0000000000000000 R08: ff3f40af03341a50 R09: ff3f40af0206d830
[ 47.249837] R10: ff3f40af04994118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.249913] R13: 0000000000000011 R14: ff3f40af04994000 R15: ff3f40af0188f600
[ 47.249992] FS: 0000000000000000(0000) GS:ff3f40af93d96000(0000) knlGS:0000000000000000
[ 47.250075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.250317] CR2: 00007fb779c2c000 CR3: 0000000025242002 CR4: 0000000000771ef0
[ 47.250399] PKRU: 55555554
[ 47.250447] Call Trace:
[ 47.250496]
[ 47.250544] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.250608] unregister_netdevice_queue+0x9e/0xd0
[ 47.250672] __tun_detach+0x591/0x5b0
[ 47.250730] tun_chr_close+0x3f/0xc0
[ 47.250786] __fput+0xe8/0x2c0
[ 47.250844] task_work_run+0x63/0xa0
[ 47.250901] do_exit+0x2c1/0xba0
[ 47.250958] ? netlink_dump+0x336/0x450
[ 47.251015] do_group_exit+0x2d/0xc0
[ 47.251079] get_signal+0x82e/0x900
[ 47.251142] arch_do_signal_or_restart+0x77/0x2b0
[ 47.251207] exit_to_user_mode_loop+0x75/0x4a0
[ 47.251271] do_syscall_64+0x439/0xfc0
[ 47.251328] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.251392] RIP: 0033:0x4c2d9e
[ 47.251448] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.251517] RSP: 002b:00007ffcf224e770 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.251594] RAX: 0000000000000050 RBX: 00007ffcf224e800 RCX: 00000000004c2d9e
[ 47.251669] RDX: 0000000000000000 RSI: 00007ffcf224e810 RDI: 0000000000000007
[ 47.251745] RBP: 00007ffcf224e780 R08: 0000000000000000 R09: 0000000000000000
[ 47.251821] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf224e7f4
[ 47.251897] R13: 00007ffcf224f398 R14: 00007ffcf224e940 R15: 0000000000543540
[ 47.251973]
[ 47.252027] ---[ end trace 0000000000000000 ]---
[ 47.264246] ------------[ cut here ]------------
[ 47.264284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[ 47.264348] Modules linked in:
[ 47.264373] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.264439] Tainted: [W]=WARN
[ 47.264459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.264501] Workqueue: netns cleanup_net
[ 47.264527] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.264556] 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
[ 47.264648] RSP: 0018:ff79889380067c78 EFLAGS: 00010286
[ 47.264676] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.264717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af01d79300
[ 47.264759] RBP: 0000000000000000 R08: ff3f40af0335ba10 R09: ff3f40af0339c82c
[ 47.264802] R10: ff3f40af019b6118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.264841] R13: 0000000000000011 R14: ff3f40af019b6000 R15: ff3f40af01d79300
[ 47.264888] FS: 0000000000000000(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 47.264924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.264961] CR2: 00007f20e7abcf98 CR3: 0000000025242003 CR4: 0000000000771ef0
[ 47.265005] PKRU: 55555554
[ 47.265023] Call Trace:
[ 47.265037]
[ 47.265052] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.265077] default_device_exit_batch+0x318/0x390
[ 47.265105] ops_undo_list+0x10b/0x240
[ 47.265134] cleanup_net+0x1d7/0x2e0
[ 47.265158] process_one_work+0x162/0x360
[ 47.265191] worker_thread+0x16e/0x2d0
[ 47.265224] ? rescuer_thread+0x510/0x510
[ 47.265255] kthread+0xe1/0x120
[ 47.265278] ? kthread_park+0xa0/0xa0
[ 47.265300] ret_from_fork+0x16d/0x250
[ 47.265323] ? kthread_park+0xa0/0xa0
[ 47.265345] ret_from_fork_asm+0x11/0x20
[ 47.265370]
[ 47.265384] ---[ end trace 0000000000000000 ]---