[ 229.433361] ------------[ cut here ]------------
[ 229.433439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/380
[ 229.433528] Modules linked in:
[ 229.433590] CPU: 2 UID: 0 PID: 380 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.433682] Tainted: [W]=WARN
[ 229.433740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.433812] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.433880] 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
[ 229.434027] RSP: 0018:ff5c9d1640667cc8 EFLAGS: 00010286
[ 229.434092] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.434172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[ 229.434262] RBP: 0000000000000000 R08: ff135f898314f590 R09: ff135f8986c8f02c
[ 229.434343] R10: ff135f8986c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.434421] R13: 0000000000000010 R14: ff135f8986c8c000 R15: ff135f89818d0500
[ 229.434502] FS: 00007f3aebbe6740(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 229.434581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.434652] CR2: 0000557125169008 CR3: 00000000048bc005 CR4: 0000000000771ef0
[ 229.434733] PKRU: 55555554
[ 229.434807] Call Trace:
[ 229.434856]
[ 229.434907] rtmsg_ifinfo+0x3c/0xa0
[ 229.434966] register_netdevice+0x889/0x9f0
[ 229.435022] register_netdev+0x1e/0x30
[ 229.435080] loopback_net_init+0x57/0xb0
[ 229.435142] ? vsock_sysctl_init_net+0xb6/0x140
[ 229.435222] ops_init+0x68/0x140
[ 229.435282] setup_net+0x85/0x150
[ 229.435342] copy_net_ns+0xf5/0x200
[ 229.435400] create_new_namespaces+0x117/0x2f0
[ 229.435466] unshare_nsproxy_namespaces+0x85/0xb0
[ 229.435532] ksys_unshare+0x346/0x5e0
[ 229.435591] __x64_sys_unshare+0x12/0x20
[ 229.435651] do_syscall_64+0x104/0xfc0
[ 229.435711] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.435777] RIP: 0033:0x7f3aebce1bcb
[ 229.435836] 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
[ 229.435966] RSP: 002b:00007ffd9a733578 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 229.436047] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3aebce1bcb
[ 229.436124] RDX: 0000000000000000 RSI: 00007ffd9a7332e0 RDI: 0000000040000000
[ 229.436219] RBP: 00007ffd9a733900 R08: 00007ffd9a7334d0 R09: 0000000000000000
[ 229.436304] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 229.436385] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000557105bd7b68
[ 229.436467]
[ 229.436515] ---[ end trace 0000000000000000 ]---
[ 229.437157] ------------[ cut here ]------------
[ 229.437237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.437325] Modules linked in:
[ 229.437384] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.437482] Tainted: [W]=WARN
[ 229.437540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.437611] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.437678] 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
[ 229.437813] RSP: 0018:ff5c9d1640667d68 EFLAGS: 00010286
[ 229.437879] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.437959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[ 229.438036] RBP: 0000000000000000 R08: ff135f89831cdf50 R09: ff135f89830d6030
[ 229.438111] R10: ff135f8983390118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.438199] R13: 0000000000000010 R14: ff135f8983390000 R15: ff135f89818d0500
[ 229.438285] FS: 000000002204e400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 229.438372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.438448] CR2: 00007eff9c19d000 CR3: 00000000030a7006 CR4: 0000000000771ef0
[ 229.438529] PKRU: 55555554
[ 229.438579] Call Trace:
[ 229.438627]
[ 229.438677] rtmsg_ifinfo+0x3c/0xa0
[ 229.438738] register_netdevice+0x889/0x9f0
[ 229.438798] __tun_chr_ioctl+0x83c/0x16c0
[ 229.438860] ? do_sys_openat2+0x9a/0xe0
[ 229.438921] __x64_sys_ioctl+0xa1/0xe0
[ 229.438982] do_syscall_64+0x104/0xfc0
[ 229.439042] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.439110] RIP: 0033:0x47cc8d
[ 229.439167] 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
[ 229.439319] RSP: 002b:00007fff78140e20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.439404] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.439482] RDX: 00007fff78140ea0 RSI: 00000000400454ca RDI: 0000000000000005
[ 229.439559] RBP: 00007fff78140e70 R08: 0000000000000000 R09: 0000000000000000
[ 229.439643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff78141378
[ 229.439725] R13: 00007fff781413f8 R14: 0000000000000002 R15: 0000000000543540
[ 229.439801]
[ 229.439852] ---[ end trace 0000000000000000 ]---
[ 229.439936] ------------[ cut here ]------------
[ 229.440001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.440090] Modules linked in:
[ 229.440150] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.440259] Tainted: [W]=WARN
[ 229.440317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.440385] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.440450] 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
[ 229.440577] RSP: 0018:ff5c9d1640667d60 EFLAGS: 00010286
[ 229.440642] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 229.440720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[ 229.440799] RBP: 0000000000000002 R08: ff135f89831cdf50 R09: ff135f89830d6030
[ 229.440877] R10: ff135f8983390118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.440955] R13: 0000000000000010 R14: ff135f8983390000 R15: ff135f89818d0500
[ 229.441036] FS: 000000002204e400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 229.441121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.441198] CR2: 00007eff9c19d000 CR3: 00000000030a7006 CR4: 0000000000771ef0
[ 229.441279] PKRU: 55555554
[ 229.441328] Call Trace:
[ 229.441377]
[ 229.441425] rtnetlink_event+0x6e/0xb0
[ 229.441485] notifier_call_chain+0x6d/0x100
[ 229.441543] netdev_update_features+0x56/0x60
[ 229.441613] __tun_chr_ioctl+0xbf1/0x16c0
[ 229.441672] ? file_init_path+0x62/0x120
[ 229.441732] __x64_sys_ioctl+0xa1/0xe0
[ 229.441792] do_syscall_64+0x104/0xfc0
[ 229.441852] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.441918] RIP: 0033:0x47cc8d
[ 229.441977] 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
[ 229.442108] RSP: 002b:00007fff78140e60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.442196] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.442280] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 229.442361] RBP: 00007fff78140eb0 R08: 0000000000000000 R09: 0000000000000000
[ 229.442443] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff78141378
[ 229.442521] R13: 00007fff781413f8 R14: 0000000000000002 R15: 0000000000543540
[ 229.442601]
[ 229.442650] ---[ end trace 0000000000000000 ]---
[ 229.442731] ------------[ cut here ]------------
[ 229.442795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 229.442882] Modules linked in:
[ 229.442940] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.443033] Tainted: [W]=WARN
[ 229.443090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.443159] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.443235] 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
[ 229.443371] RSP: 0018:ff5c9d1640667c10 EFLAGS: 00010286
[ 229.443438] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 229.443516] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0500
[ 229.443595] RBP: 0000000000000000 R08: ff135f89831cdf50 R09: ff135f898202a030
[ 229.443673] R10: ff135f8983390118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.443755] R13: 0000000000000010 R14: ff135f8983390000 R15: ff135f89818d0500
[ 229.443840] FS: 000000002204e400(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 229.443925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.443995] CR2: 00007eff9c19d000 CR3: 00000000030a7006 CR4: 0000000000771ef0
[ 229.444076] PKRU: 55555554
[ 229.444125] Call Trace:
[ 229.444174]
[ 229.444235] rtmsg_ifinfo+0x3c/0xa0
[ 229.444294] __dev_notify_flags+0xb1/0xf0
[ 229.444353] netif_change_flags+0x54/0x70
[ 229.444413] dev_change_flags+0x45/0x80
[ 229.444472] devinet_ioctl+0x607/0x7f0
[ 229.444535] inet_ioctl+0x229/0x240
[ 229.444595] ? __rtnl_unlock+0x35/0x60
[ 229.444655] sock_do_ioctl+0x75/0x140
[ 229.444713] __x64_sys_ioctl+0xa1/0xe0
[ 229.444772] do_syscall_64+0x104/0xfc0
[ 229.444832] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.444894] RIP: 0033:0x47cc8d
[ 229.444952] 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
[ 229.445083] RSP: 002b:00007fff78140e40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 229.445160] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 229.445258] RDX: 00007fff78140eb0 RSI: 0000000000008914 RDI: 0000000000000006
[ 229.445338] RBP: 00007fff78140e90 R08: 0000000000000000 R09: 0000000000000000
[ 229.445420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff78141378
[ 229.445498] R13: 00007fff781413f8 R14: 0000000000000002 R15: 0000000000543540
[ 229.445575]
[ 229.445624] ---[ end trace 0000000000000000 ]---
HARD STOP (27.084417)
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
[ 256.483381] ------------[ cut here ]------------
[ 256.483498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 256.483590] Modules linked in:
[ 256.483652] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 256.483753] Tainted: [W]=WARN
[ 256.483805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 256.483877] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 256.483945] 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
[ 256.484078] RSP: 0018:ff5c9d1640667b58 EFLAGS: 00010286
[ 256.484138] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 256.484382] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981dea100
[ 256.484537] RBP: 0000000000000000 R08: ff135f89831cdf50 R09: ff135f898202a030
[ 256.484621] R10: ff135f8983390118 R11: fefefefefefefeff R12: 0000000000000000
[ 256.484700] R13: 0000000000000010 R14: ff135f8983390000 R15: ff135f8981dea100
[ 256.484783] FS: 0000000000000000(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 256.484863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 256.484935] CR2: 00007eff9c19d000 CR3: 000000001d842002 CR4: 0000000000771ef0
[ 256.485013] PKRU: 55555554
[ 256.485061] Call Trace:
[ 256.485113]
[ 256.485164] rtmsg_ifinfo+0x3c/0xa0
[ 256.485228] netif_close_many+0xed/0x190
[ 256.485297] unregister_netdevice_many_notify+0x267/0x9d0
[ 256.485362] ? __queue_work+0x141/0x550
[ 256.485420] unregister_netdevice_queue+0x9e/0xd0
[ 256.485480] __tun_detach+0x591/0x5b0
[ 256.485540] tun_chr_close+0x3f/0xc0
[ 256.485596] __fput+0xe8/0x2c0
[ 256.485653] task_work_run+0x63/0xa0
[ 256.485710] do_exit+0x2c1/0xba0
[ 256.485767] do_group_exit+0x2d/0xc0
[ 256.485825] get_signal+0x82e/0x900
[ 256.485883] arch_do_signal_or_restart+0x77/0x2b0
[ 256.485951] exit_to_user_mode_loop+0x75/0x4a0
[ 256.486016] do_syscall_64+0x439/0xfc0
[ 256.486075] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 256.486139] RIP: 0033:0x4c2d9e
[ 256.486205] Code: Unable to access opcode bytes at 0x4c2d74.
[ 256.486276] RSP: 002b:00007fff781407d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 256.486360] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 256.486440] RDX: 0000000000000014 RSI: 00007fff781408b0 RDI: 0000000000000007
[ 256.486519] RBP: 00007fff781407e0 R08: 00007fff78140870 R09: 000000000000000c
[ 256.486600] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000022058760
[ 256.486677] R13: 00007fff781413f8 R14: 00007fff781409a0 R15: 0000000000543540
[ 256.486754]
[ 256.486802] ---[ end trace 0000000000000000 ]---
[ 256.486927] ------------[ cut here ]------------
[ 256.486991] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/380
[ 256.487079] Modules linked in:
[ 256.487133] CPU: 2 UID: 0 PID: 380 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 256.487229] Tainted: [W]=WARN
[ 256.487280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 256.487352] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 256.487413] 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
[ 256.487544] RSP: 0018:ff5c9d1640667bc8 EFLAGS: 00010286
[ 256.487604] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 256.487677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981dea100
[ 256.487750] RBP: 0000000000000000 R08: ff135f89831cdf50 R09: ff135f8984b82030
[ 256.487823] R10: ff135f8983390118 R11: fefefefefefefeff R12: 0000000000000000
[ 256.487896] R13: 0000000000000011 R14: ff135f8983390000 R15: ff135f8981dea100
[ 256.487972] FS: 0000000000000000(0000) GS:ff135f8a2cd96000(0000) knlGS:0000000000000000
[ 256.488047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 256.488113] CR2: 00007eff9c19d000 CR3: 000000001d842002 CR4: 0000000000771ef0
[ 256.488403] PKRU: 55555554
[ 256.488453] Call Trace:
[ 256.488500]
[ 256.488546] unregister_netdevice_many_notify+0x877/0x9d0
[ 256.488608] unregister_netdevice_queue+0x9e/0xd0
[ 256.488670] __tun_detach+0x591/0x5b0
[ 256.488725] tun_chr_close+0x3f/0xc0
[ 256.488780] __fput+0xe8/0x2c0
[ 256.488835] task_work_run+0x63/0xa0
[ 256.488890] do_exit+0x2c1/0xba0
[ 256.488944] do_group_exit+0x2d/0xc0
[ 256.488999] get_signal+0x82e/0x900
[ 256.489054] arch_do_signal_or_restart+0x77/0x2b0
[ 256.489116] exit_to_user_mode_loop+0x75/0x4a0
[ 256.489178] do_syscall_64+0x439/0xfc0
[ 256.489237] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 256.489303] RIP: 0033:0x4c2d9e
[ 256.489358] Code: Unable to access opcode bytes at 0x4c2d74.
[ 256.489425] RSP: 002b:00007fff781407d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 256.489499] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 256.489573] RDX: 0000000000000014 RSI: 00007fff781408b0 RDI: 0000000000000007
[ 256.489645] RBP: 00007fff781407e0 R08: 00007fff78140870 R09: 000000000000000c
[ 256.489717] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000022058760
[ 256.489789] R13: 00007fff781413f8 R14: 00007fff781409a0 R15: 0000000000543540
[ 256.489863]
[ 256.489908] ---[ end trace 0000000000000000 ]---
[ 256.501425] ------------[ cut here ]------------
[ 256.501461] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[ 256.501531] Modules linked in:
[ 256.501553] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 256.501611] Tainted: [W]=WARN
[ 256.501632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 256.501669] Workqueue: netns cleanup_net
[ 256.501690] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 256.501718] 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
[ 256.501814] RSP: 0018:ff5c9d164023fc78 EFLAGS: 00010286
[ 256.501843] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 256.501884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f8981931a00
[ 256.501926] RBP: 0000000000000000 R08: ff135f898314f590 R09: ff135f8984b8a82c
[ 256.501969] R10: ff135f8986c8c118 R11: fefefefefefefeff R12: 0000000000000000
[ 256.502015] R13: 0000000000000011 R14: ff135f8986c8c000 R15: ff135f8981931a00
[ 256.502059] FS: 0000000000000000(0000) GS:ff135f8a2cd16000(0000) knlGS:0000000000000000
[ 256.502100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 256.502135] CR2: 00005635c37abd58 CR3: 000000001d842002 CR4: 0000000000771ef0
[ 256.502177] PKRU: 55555554
[ 256.502200] Call Trace:
[ 256.502215]
[ 256.502230] unregister_netdevice_many_notify+0x877/0x9d0
[ 256.502261] default_device_exit_batch+0x318/0x390
[ 256.502285] ops_undo_list+0x10b/0x240
[ 256.502313] cleanup_net+0x1d7/0x2e0
[ 256.502336] process_one_work+0x162/0x360
[ 256.502358] worker_thread+0x16e/0x2d0
[ 256.502379] ? rescuer_thread+0x510/0x510
[ 256.502401] kthread+0xe1/0x120
[ 256.502424] ? kthread_park+0xa0/0xa0
[ 256.502447] ret_from_fork+0x16d/0x250
[ 256.502469] ? kthread_park+0xa0/0xa0
[ 256.502490] ret_from_fork_asm+0x11/0x20
[ 256.502514]
[ 256.502527] ---[ end trace 0000000000000000 ]---