[ 93.245605] ------------[ cut here ]------------
[ 93.245674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/249
[ 93.245733] Modules linked in:
[ 93.245760] CPU: 3 UID: 0 PID: 249 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.245816] Tainted: [W]=WARN
[ 93.245837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.245874] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.245904] 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
[ 93.246003] RSP: 0018:ff73bf8080507cc8 EFLAGS: 00010286
[ 93.246035] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.246078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543160400
[ 93.246124] RBP: 0000000000000000 R08: ff1350b5430dc4d0 R09: ff1350b542e5c02c
[ 93.246168] R10: ff1350b544c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.246208] R13: 0000000000000010 R14: ff1350b544c8c000 R15: ff1350b543160400
[ 93.246255] FS: 00007fbf09ea1740(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 93.246299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.246336] CR2: 00007fbf0a063280 CR3: 0000000001970003 CR4: 0000000000771ef0
[ 93.246379] PKRU: 55555554
[ 93.246396] Call Trace:
[ 93.246415]
[ 93.246429] rtmsg_ifinfo+0x3c/0xa0
[ 93.246454] register_netdevice+0x889/0x9f0
[ 93.246474] register_netdev+0x1e/0x30
[ 93.246493] loopback_net_init+0x57/0xb0
[ 93.246519] ? vsock_sysctl_init_net+0xb6/0x140
[ 93.246545] ops_init+0x68/0x140
[ 93.246570] setup_net+0x85/0x150
[ 93.246594] copy_net_ns+0xf5/0x200
[ 93.246616] create_new_namespaces+0x117/0x2f0
[ 93.246653] unshare_nsproxy_namespaces+0x85/0xb0
[ 93.246684] ksys_unshare+0x346/0x5e0
[ 93.246706] __x64_sys_unshare+0x12/0x20
[ 93.246728] do_syscall_64+0x104/0xfc0
[ 93.246756] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.246786] RIP: 0033:0x7fbf09f9cbcb
[ 93.246807] 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
[ 93.246904] RSP: 002b:00007fffbb792778 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 93.246945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf09f9cbcb
[ 93.246987] RDX: 0000000000000000 RSI: 00007fffbb7924e0 RDI: 0000000040000000
[ 93.247032] RBP: 00007fffbb792b00 R08: 00007fffbb7926d0 R09: 0000000000000000
[ 93.247078] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 93.247124] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005631f1628b68
[ 93.247179]
[ 93.247194] ---[ end trace 0000000000000000 ]---
[ 93.247837] ------------[ cut here ]------------
[ 93.247867] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/249
[ 93.247918] Modules linked in:
[ 93.247943] CPU: 3 UID: 0 PID: 249 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.247989] Tainted: [W]=WARN
[ 93.248012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.248047] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.248078] 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
[ 93.248181] RSP: 0018:ff73bf8080507d68 EFLAGS: 00010286
[ 93.248205] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.248248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543160400
[ 93.248291] RBP: 0000000000000000 R08: ff1350b543248350 R09: ff1350b542e5f030
[ 93.248335] R10: ff1350b542b18118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.248372] R13: 0000000000000010 R14: ff1350b542b18000 R15: ff1350b543160400
[ 93.248418] FS: 000000003b7f9400(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 93.248461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.248499] CR2: 00007ff1280c5000 CR3: 0000000003374004 CR4: 0000000000771ef0
[ 93.248546] PKRU: 55555554
[ 93.248558] Call Trace:
[ 93.248574]
[ 93.248591] rtmsg_ifinfo+0x3c/0xa0
[ 93.248614] register_netdevice+0x889/0x9f0
[ 93.248642] __tun_chr_ioctl+0x83c/0x16c0
[ 93.248668] ? do_sys_openat2+0x9a/0xe0
[ 93.248693] __x64_sys_ioctl+0xa1/0xe0
[ 93.248723] do_syscall_64+0x104/0xfc0
[ 93.248754] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.248786] RIP: 0033:0x47cc8d
[ 93.248809] 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
[ 93.248903] RSP: 002b:00007ffdfd6f2910 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.248945] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.248984] RDX: 00007ffdfd6f2990 RSI: 00000000400454ca RDI: 0000000000000005
[ 93.249024] RBP: 00007ffdfd6f2960 R08: 0000000000000000 R09: 0000000000000000
[ 93.249069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd6f2e68
[ 93.249113] R13: 00007ffdfd6f2ee8 R14: 0000000000000002 R15: 0000000000543540
[ 93.249154]
[ 93.249169] ---[ end trace 0000000000000000 ]---
[ 93.249210] ------------[ cut here ]------------
[ 93.249236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/249
[ 93.249287] Modules linked in:
[ 93.249316] CPU: 3 UID: 0 PID: 249 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.249371] Tainted: [W]=WARN
[ 93.249392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.249423] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.249451] 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
[ 93.249548] RSP: 0018:ff73bf8080507d60 EFLAGS: 00010286
[ 93.249578] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 93.249623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543160400
[ 93.249670] RBP: 0000000000000002 R08: ff1350b543248350 R09: ff1350b542e5f030
[ 93.249712] R10: ff1350b542b18118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.249755] R13: 0000000000000010 R14: ff1350b542b18000 R15: ff1350b543160400
[ 93.249804] FS: 000000003b7f9400(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 93.249848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.249876] CR2: 00007ff1280c5000 CR3: 0000000003374004 CR4: 0000000000771ef0
[ 93.249921] PKRU: 55555554
[ 93.249937] Call Trace:
[ 93.249952]
[ 93.249969] rtnetlink_event+0x6e/0xb0
[ 93.249991] notifier_call_chain+0x6d/0x100
[ 93.250011] netdev_update_features+0x56/0x60
[ 93.250040] __tun_chr_ioctl+0xbf1/0x16c0
[ 93.250069] ? file_init_path+0x62/0x120
[ 93.250093] __x64_sys_ioctl+0xa1/0xe0
[ 93.250119] do_syscall_64+0x104/0xfc0
[ 93.250138] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.250168] RIP: 0033:0x47cc8d
[ 93.250189] 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
[ 93.250288] RSP: 002b:00007ffdfd6f2950 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.250328] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.250376] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 93.250423] RBP: 00007ffdfd6f29a0 R08: 0000000000000000 R09: 0000000000000000
[ 93.250460] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd6f2e68
[ 93.250499] R13: 00007ffdfd6f2ee8 R14: 0000000000000002 R15: 0000000000543540
[ 93.250585]
[ 93.250601] ---[ end trace 0000000000000000 ]---
[ 93.250663] ------------[ cut here ]------------
[ 93.250694] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/249
[ 93.250759] Modules linked in:
[ 93.250792] CPU: 3 UID: 0 PID: 249 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.250870] Tainted: [W]=WARN
[ 93.250894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.250932] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.250961] 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
[ 93.251069] RSP: 0018:ff73bf8080507c10 EFLAGS: 00010286
[ 93.251112] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 93.251171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543160400
[ 93.251233] RBP: 0000000000000000 R08: ff1350b543248350 R09: ff1350b544c8b030
[ 93.251282] R10: ff1350b542b18118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.251328] R13: 0000000000000010 R14: ff1350b542b18000 R15: ff1350b543160400
[ 93.251386] FS: 000000003b7f9400(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 93.251428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.251475] CR2: 00007ff1280c5000 CR3: 0000000003374004 CR4: 0000000000771ef0
[ 93.251523] PKRU: 55555554
[ 93.251538] Call Trace:
[ 93.251549]
[ 93.251566] rtmsg_ifinfo+0x3c/0xa0
[ 93.251593] __dev_notify_flags+0xb1/0xf0
[ 93.251614] netif_change_flags+0x54/0x70
[ 93.251642] dev_change_flags+0x45/0x80
[ 93.251663] devinet_ioctl+0x607/0x7f0
[ 93.251697] inet_ioctl+0x229/0x240
[ 93.251741] ? __rtnl_unlock+0x35/0x60
[ 93.251767] sock_do_ioctl+0x75/0x140
[ 93.251789] __x64_sys_ioctl+0xa1/0xe0
[ 93.251825] do_syscall_64+0x104/0xfc0
[ 93.251860] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.251884] RIP: 0033:0x47cc8d
[ 93.251910] 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
[ 93.252039] RSP: 002b:00007ffdfd6f2930 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.252082] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.252136] RDX: 00007ffdfd6f29a0 RSI: 0000000000008914 RDI: 0000000000000006
[ 93.252194] RBP: 00007ffdfd6f2980 R08: 0000000000000000 R09: 0000000000000000
[ 93.252234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd6f2e68
[ 93.252296] R13: 00007ffdfd6f2ee8 R14: 0000000000000002 R15: 0000000000543540
[ 93.252331]
[ 93.252346] ---[ end trace 0000000000000000 ]---
[ 138.233277] ------------[ cut here ]------------
[ 138.233355] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/249
[ 138.233420] Modules linked in:
[ 138.233449] CPU: 3 UID: 0 PID: 249 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.233510] Tainted: [W]=WARN
[ 138.233532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.233569] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.233600] 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
[ 138.233695] RSP: 0018:ff73bf8080507b58 EFLAGS: 00010286
[ 138.233726] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 138.233780] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543149b00
[ 138.233821] RBP: 0000000000000000 R08: ff1350b543248350 R09: ff1350b544c8b030
[ 138.233862] R10: ff1350b542b18118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.233901] R13: 0000000000000010 R14: ff1350b542b18000 R15: ff1350b543149b00
[ 138.233949] FS: 0000000000000000(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 138.233992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.234031] CR2: 00007ff1280c5000 CR3: 0000000029a42001 CR4: 0000000000771ef0
[ 138.234074] PKRU: 55555554
[ 138.234445] Call Trace:
[ 138.234463]
[ 138.234479] rtmsg_ifinfo+0x3c/0xa0
[ 138.234502] netif_close_many+0xed/0x190
[ 138.234525] unregister_netdevice_many_notify+0x267/0x9d0
[ 138.234556] ? __queue_work+0x141/0x550
[ 138.234581] unregister_netdevice_queue+0x9e/0xd0
[ 138.234605] __tun_detach+0x591/0x5b0
[ 138.234632] tun_chr_close+0x3f/0xc0
[ 138.234652] __fput+0xe8/0x2c0
[ 138.234680] task_work_run+0x63/0xa0
[ 138.234701] do_exit+0x2c1/0xba0
[ 138.234725] do_group_exit+0x2d/0xc0
[ 138.234752] get_signal+0x82e/0x900
[ 138.234778] arch_do_signal_or_restart+0x77/0x2b0
[ 138.234805] exit_to_user_mode_loop+0x75/0x4a0
[ 138.234836] do_syscall_64+0x439/0xfc0
[ 138.234861] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.234894] RIP: 0033:0x4c2d9e
[ 138.234918] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.234951] RSP: 002b:00007ffdfd6f22c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 138.234994] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 138.235036] RDX: 0000000000000014 RSI: 00007ffdfd6f23a0 RDI: 0000000000000007
[ 138.235081] RBP: 00007ffdfd6f22d0 R08: 00007ffdfd6f2360 R09: 000000000000000c
[ 138.235127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003b801c20
[ 138.235162] R13: 00007ffdfd6f2ee8 R14: 00007ffdfd6f2490 R15: 0000000000543540
[ 138.235202]
[ 138.235217] ---[ end trace 0000000000000000 ]---
[ 138.235312] ------------[ cut here ]------------
[ 138.235340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/249
[ 138.235394] Modules linked in:
[ 138.235418] CPU: 3 UID: 0 PID: 249 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.235479] Tainted: [W]=WARN
[ 138.235503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.235536] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.235566] 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
[ 138.235665] RSP: 0018:ff73bf8080507bc8 EFLAGS: 00010286
[ 138.235691] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.235731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543149b00
[ 138.235771] RBP: 0000000000000000 R08: ff1350b543248350 R09: ff1350b5467a0830
[ 138.235811] R10: ff1350b542b18118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.235852] R13: 0000000000000011 R14: ff1350b542b18000 R15: ff1350b543149b00
[ 138.235893] FS: 0000000000000000(0000) GS:ff1350b5dde16000(0000) knlGS:0000000000000000
[ 138.235939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.235970] CR2: 00007ff1280c5000 CR3: 0000000029a42001 CR4: 0000000000771ef0
[ 138.236010] PKRU: 55555554
[ 138.236025] Call Trace:
[ 138.236040]
[ 138.236054] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.236078] unregister_netdevice_queue+0x9e/0xd0
[ 138.236111] __tun_detach+0x591/0x5b0
[ 138.236134] tun_chr_close+0x3f/0xc0
[ 138.236158] __fput+0xe8/0x2c0
[ 138.236178] task_work_run+0x63/0xa0
[ 138.236203] do_exit+0x2c1/0xba0
[ 138.236229] do_group_exit+0x2d/0xc0
[ 138.236251] get_signal+0x82e/0x900
[ 138.236274] arch_do_signal_or_restart+0x77/0x2b0
[ 138.236305] exit_to_user_mode_loop+0x75/0x4a0
[ 138.236331] do_syscall_64+0x439/0xfc0
[ 138.236353] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.236383] RIP: 0033:0x4c2d9e
[ 138.236404] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.236437] RSP: 002b:00007ffdfd6f22c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 138.236477] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 138.236516] RDX: 0000000000000014 RSI: 00007ffdfd6f23a0 RDI: 0000000000000007
[ 138.236555] RBP: 00007ffdfd6f22d0 R08: 00007ffdfd6f2360 R09: 000000000000000c
[ 138.236590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003b801c20
[ 138.236630] R13: 00007ffdfd6f2ee8 R14: 00007ffdfd6f2490 R15: 0000000000543540
[ 138.236672]
[ 138.236686] ---[ end trace 0000000000000000 ]---
[ 138.245224] ------------[ cut here ]------------
[ 138.245268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[ 138.245328] Modules linked in:
[ 138.245354] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.245412] Tainted: [W]=WARN
[ 138.245435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.245477] Workqueue: netns cleanup_net
[ 138.245498] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.245528] 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
[ 138.245623] RSP: 0018:ff73bf8080067c78 EFLAGS: 00010286
[ 138.245650] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.245694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1350b543160c00
[ 138.245742] RBP: 0000000000000000 R08: ff1350b5430dc4d0 R09: ff1350b54731102c
[ 138.245785] R10: ff1350b544c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.245828] R13: 0000000000000011 R14: ff1350b544c8c000 R15: ff1350b543160c00
[ 138.245871] FS: 0000000000000000(0000) GS:ff1350b5ddc96000(0000) knlGS:0000000000000000
[ 138.245915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.245953] CR2: 0000555585021340 CR3: 0000000003004002 CR4: 0000000000771ef0
[ 138.246005] PKRU: 55555554
[ 138.246021] Call Trace:
[ 138.246037]
[ 138.246053] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.246096] default_device_exit_batch+0x318/0x390
[ 138.246127] ops_undo_list+0x10b/0x240
[ 138.246149] cleanup_net+0x1d7/0x2e0
[ 138.246173] process_one_work+0x162/0x360
[ 138.246197] worker_thread+0x16e/0x2d0
[ 138.246218] ? rescuer_thread+0x510/0x510
[ 138.246242] kthread+0xe1/0x120
[ 138.246267] ? kthread_park+0xa0/0xa0
[ 138.246288] ret_from_fork+0x16d/0x250
[ 138.246312] ? kthread_park+0xa0/0xa0
[ 138.246332] ret_from_fork_asm+0x11/0x20
[ 138.246354]
[ 138.246369] ---[ end trace 0000000000000000 ]---