[ 93.358365] ------------[ cut here ]------------
[ 93.358462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/248
[ 93.358569] Modules linked in:
[ 93.358633] CPU: 2 UID: 0 PID: 248 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.358748] Tainted: [W]=WARN
[ 93.358806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.358880] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.358949] 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
[ 93.359086] RSP: 0018:ff5eed03404e7cc8 EFLAGS: 00010286
[ 93.359154] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.359234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c1d7b500
[ 93.359315] RBP: 0000000000000000 R08: ff1d22b3c18a3010 R09: ff1d22b3c19c502c
[ 93.359394] R10: ff1d22b3c19c7118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.359477] R13: 0000000000000010 R14: ff1d22b3c19c7000 R15: ff1d22b3c1d7b500
[ 93.359569] FS: 00007fa2f39bb740(0000) GS:ff1d22b468396000(0000) knlGS:0000000000000000
[ 93.359659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.359737] CR2: 00005608a506e008 CR3: 0000000002ff2006 CR4: 0000000000771ef0
[ 93.359824] PKRU: 55555554
[ 93.359876] Call Trace:
[ 93.359930]
[ 93.359983] rtmsg_ifinfo+0x3c/0xa0
[ 93.360044] register_netdevice+0x889/0x9f0
[ 93.360119] register_netdev+0x1e/0x30
[ 93.360180] loopback_net_init+0x57/0xb0
[ 93.360244] ? vsock_sysctl_init_net+0xb6/0x140
[ 93.360313] ops_init+0x68/0x140
[ 93.360376] setup_net+0x85/0x150
[ 93.360438] copy_net_ns+0xf5/0x200
[ 93.360499] create_new_namespaces+0x117/0x2f0
[ 93.360577] unshare_nsproxy_namespaces+0x85/0xb0
[ 93.360651] ksys_unshare+0x346/0x5e0
[ 93.360722] __x64_sys_unshare+0x12/0x20
[ 93.360785] do_syscall_64+0x104/0xfc0
[ 93.360848] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.360917] RIP: 0033:0x7fa2f3ab6bcb
[ 93.360978] 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
[ 93.361118] RSP: 002b:00007ffeb01622b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 93.361201] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2f3ab6bcb
[ 93.361281] RDX: 0000000000000000 RSI: 00007ffeb0162020 RDI: 0000000040000000
[ 93.361362] RBP: 00007ffeb0162640 R08: 00007ffeb0162210 R09: 0000000000000000
[ 93.361446] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 93.361527] R13: 0000000000000000 R14: 00000000ffffffff R15: 000056088e386b68
[ 93.361617]
[ 93.361669] ---[ end trace 0000000000000000 ]---
[ 93.362465] ------------[ cut here ]------------
[ 93.362549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.362650] Modules linked in:
[ 93.362721] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.362839] Tainted: [W]=WARN
[ 93.362900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.362973] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.363041] 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
[ 93.363175] RSP: 0018:ff5eed03404e7d68 EFLAGS: 00010286
[ 93.363242] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.363323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c1d7b500
[ 93.363407] RBP: 0000000000000000 R08: ff1d22b3c1839050 R09: ff1d22b3c3272030
[ 93.363491] R10: ff1d22b3c1880118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.363578] R13: 0000000000000010 R14: ff1d22b3c1880000 R15: ff1d22b3c1d7b500
[ 93.363670] FS: 0000000038cc7400(0000) GS:ff1d22b468396000(0000) knlGS:0000000000000000
[ 93.363761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.363835] CR2: 00007fdffd44e000 CR3: 00000000031ec001 CR4: 0000000000771ef0
[ 93.363918] PKRU: 55555554
[ 93.363969] Call Trace:
[ 93.364022]
[ 93.364075] rtmsg_ifinfo+0x3c/0xa0
[ 93.364136] register_netdevice+0x889/0x9f0
[ 93.364197] __tun_chr_ioctl+0x83c/0x16c0
[ 93.364261] ? do_sys_openat2+0x9a/0xe0
[ 93.364326] __x64_sys_ioctl+0xa1/0xe0
[ 93.364390] do_syscall_64+0x104/0xfc0
[ 93.364451] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.364520] RIP: 0033:0x47cc8d
[ 93.364589] 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
[ 93.364745] RSP: 002b:00007fff6f57adf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.364831] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.364914] RDX: 00007fff6f57ae70 RSI: 00000000400454ca RDI: 0000000000000005
[ 93.364999] RBP: 00007fff6f57ae40 R08: 0000000000000000 R09: 0000000000000000
[ 93.365083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6f57b348
[ 93.365168] R13: 00007fff6f57b3c8 R14: 0000000000000002 R15: 0000000000543540
[ 93.365254]
[ 93.365306] ---[ end trace 0000000000000000 ]---
[ 93.365400] ------------[ cut here ]------------
[ 93.365474] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.365575] Modules linked in:
[ 93.365639] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.365748] Tainted: [W]=WARN
[ 93.365807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.365882] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.365951] 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
[ 93.366094] RSP: 0018:ff5eed03404e7d60 EFLAGS: 00010286
[ 93.366162] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 93.366247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c1d7b500
[ 93.366328] RBP: 0000000000000002 R08: ff1d22b3c1839050 R09: ff1d22b3c3272030
[ 93.366410] R10: ff1d22b3c1880118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.366495] R13: 0000000000000010 R14: ff1d22b3c1880000 R15: ff1d22b3c1d7b500
[ 93.366587] FS: 0000000038cc7400(0000) GS:ff1d22b468396000(0000) knlGS:0000000000000000
[ 93.366675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.366757] CR2: 00007fdffd44e000 CR3: 00000000031ec001 CR4: 0000000000771ef0
[ 93.366843] PKRU: 55555554
[ 93.366895] Call Trace:
[ 93.366948]
[ 93.367001] rtnetlink_event+0x6e/0xb0
[ 93.367063] notifier_call_chain+0x6d/0x100
[ 93.367126] netdev_update_features+0x56/0x60
[ 93.367196] __tun_chr_ioctl+0xbf1/0x16c0
[ 93.367259] ? file_init_path+0x62/0x120
[ 93.367326] __x64_sys_ioctl+0xa1/0xe0
[ 93.367388] do_syscall_64+0x104/0xfc0
[ 93.367451] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.367520] RIP: 0033:0x47cc8d
[ 93.367588] 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
[ 93.367737] RSP: 002b:00007fff6f57ae30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.367820] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.367901] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 93.367983] RBP: 00007fff6f57ae80 R08: 0000000000000000 R09: 0000000000000000
[ 93.368064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6f57b348
[ 93.368147] R13: 00007fff6f57b3c8 R14: 0000000000000002 R15: 0000000000543540
[ 93.368232]
[ 93.368284] ---[ end trace 0000000000000000 ]---
[ 93.368377] ------------[ cut here ]------------
[ 93.368444] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/248
[ 93.368534] Modules linked in:
[ 93.368604] CPU: 2 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.368713] Tainted: [W]=WARN
[ 93.368772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.368845] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.368914] 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
[ 93.369054] RSP: 0018:ff5eed03404e7c10 EFLAGS: 00010286
[ 93.369121] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 93.369202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c1d7b500
[ 93.369284] RBP: 0000000000000000 R08: ff1d22b3c1839050 R09: ff1d22b3c3277030
[ 93.369366] R10: ff1d22b3c1880118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.369446] R13: 0000000000000010 R14: ff1d22b3c1880000 R15: ff1d22b3c1d7b500
[ 93.369530] FS: 0000000038cc7400(0000) GS:ff1d22b468396000(0000) knlGS:0000000000000000
[ 93.369617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.369698] CR2: 00007fdffd44e000 CR3: 00000000031ec001 CR4: 0000000000771ef0
[ 93.369781] PKRU: 55555554
[ 93.369851] Call Trace:
[ 93.369904]
[ 93.369956] rtmsg_ifinfo+0x3c/0xa0
[ 93.370017] __dev_notify_flags+0xb1/0xf0
[ 93.370079] netif_change_flags+0x54/0x70
[ 93.370141] dev_change_flags+0x45/0x80
[ 93.370202] devinet_ioctl+0x607/0x7f0
[ 93.370266] inet_ioctl+0x229/0x240
[ 93.370328] ? __rtnl_unlock+0x35/0x60
[ 93.370389] sock_do_ioctl+0x75/0x140
[ 93.370453] __x64_sys_ioctl+0xa1/0xe0
[ 93.370515] do_syscall_64+0x104/0xfc0
[ 93.370585] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.370656] RIP: 0033:0x47cc8d
[ 93.370722] 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
[ 93.370861] RSP: 002b:00007fff6f57ae10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.370944] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.371025] RDX: 00007fff6f57ae80 RSI: 0000000000008914 RDI: 0000000000000006
[ 93.371109] RBP: 00007fff6f57ae60 R08: 0000000000000000 R09: 0000000000000000
[ 93.371191] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6f57b348
[ 93.371272] R13: 00007fff6f57b3c8 R14: 0000000000000002 R15: 0000000000543540
[ 93.371354]
[ 93.371405] ---[ end trace 0000000000000000 ]---
[ 138.342067] ------------[ cut here ]------------
[ 138.342133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/248
[ 138.342192] Modules linked in:
[ 138.342219] CPU: 3 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.342275] Tainted: [W]=WARN
[ 138.342300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.342340] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.342369] 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
[ 138.342475] RSP: 0018:ff5eed03404e7b58 EFLAGS: 00010286
[ 138.342507] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 138.342552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c18a0400
[ 138.342597] RBP: 0000000000000000 R08: ff1d22b3c1839050 R09: ff1d22b3c202b030
[ 138.342643] R10: ff1d22b3c1880118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.342690] R13: 0000000000000010 R14: ff1d22b3c1880000 R15: ff1d22b3c18a0400
[ 138.342746] FS: 0000000000000000(0000) GS:ff1d22b468416000(0000) knlGS:0000000000000000
[ 138.342798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.342831] CR2: 00007fb099b506f0 CR3: 0000000003249001 CR4: 0000000000771ef0
[ 138.342876] PKRU: 55555554
[ 138.342893] Call Trace:
[ 138.342910]
[ 138.342927] rtmsg_ifinfo+0x3c/0xa0
[ 138.342951] netif_close_many+0xed/0x190
[ 138.342978] unregister_netdevice_many_notify+0x267/0x9d0
[ 138.343008] ? __queue_work+0x141/0x550
[ 138.343032] unregister_netdevice_queue+0x9e/0xd0
[ 138.343065] __tun_detach+0x591/0x5b0
[ 138.343095] tun_chr_close+0x3f/0xc0
[ 138.343120] __fput+0xe8/0x2c0
[ 138.343147] task_work_run+0x63/0xa0
[ 138.343171] do_exit+0x2c1/0xba0
[ 138.343198] ? ___sys_recvmsg+0xc6/0x100
[ 138.343220] do_group_exit+0x2d/0xc0
[ 138.343242] get_signal+0x82e/0x900
[ 138.343265] arch_do_signal_or_restart+0x77/0x2b0
[ 138.343296] exit_to_user_mode_loop+0x75/0x4a0
[ 138.343327] do_syscall_64+0x439/0xfc0
[ 138.343355] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.343388] RIP: 0033:0x4c2d9e
[ 138.343413] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.343449] RSP: 002b:00007fff6f57a7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.343492] RAX: 0000000000000050 RBX: 00007fff6f57a830 RCX: 00000000004c2d9e
[ 138.343540] RDX: 0000000000000000 RSI: 00007fff6f57a840 RDI: 0000000000000007
[ 138.343583] RBP: 00007fff6f57a7b0 R08: 0000000000000000 R09: 0000000000000000
[ 138.343629] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6f57a824
[ 138.343669] R13: 00007fff6f57b3c8 R14: 00007fff6f57a970 R15: 0000000000543540
[ 138.343717]
[ 138.343733] ---[ end trace 0000000000000000 ]---
[ 138.343854] ------------[ cut here ]------------
[ 138.343883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/248
[ 138.343933] Modules linked in:
[ 138.343957] CPU: 3 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.344020] Tainted: [W]=WARN
[ 138.344044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.344083] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.344113] 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
[ 138.344221] RSP: 0018:ff5eed03404e7bc8 EFLAGS: 00010286
[ 138.344252] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.344298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c18a0400
[ 138.344346] RBP: 0000000000000000 R08: ff1d22b3c1839050 R09: ff1d22b3c66ae030
[ 138.344388] R10: ff1d22b3c1880118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.344432] R13: 0000000000000011 R14: ff1d22b3c1880000 R15: ff1d22b3c18a0400
[ 138.344477] FS: 0000000000000000(0000) GS:ff1d22b468416000(0000) knlGS:0000000000000000
[ 138.344522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.344558] CR2: 00007fb099bbb550 CR3: 0000000003249001 CR4: 0000000000771ef0
[ 138.344604] PKRU: 55555554
[ 138.344619] Call Trace:
[ 138.344634]
[ 138.344649] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.344682] unregister_netdevice_queue+0x9e/0xd0
[ 138.344712] __tun_detach+0x591/0x5b0
[ 138.344736] tun_chr_close+0x3f/0xc0
[ 138.344758] __fput+0xe8/0x2c0
[ 138.344787] task_work_run+0x63/0xa0
[ 138.344809] do_exit+0x2c1/0xba0
[ 138.344830] ? ___sys_recvmsg+0xc6/0x100
[ 138.344851] do_group_exit+0x2d/0xc0
[ 138.344873] get_signal+0x82e/0x900
[ 138.344899] arch_do_signal_or_restart+0x77/0x2b0
[ 138.344928] exit_to_user_mode_loop+0x75/0x4a0
[ 138.344958] do_syscall_64+0x439/0xfc0
[ 138.344983] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.345015] RIP: 0033:0x4c2d9e
[ 138.345039] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.345076] RSP: 002b:00007fff6f57a7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 138.345119] RAX: 0000000000000050 RBX: 00007fff6f57a830 RCX: 00000000004c2d9e
[ 138.345163] RDX: 0000000000000000 RSI: 00007fff6f57a840 RDI: 0000000000000007
[ 138.345207] RBP: 00007fff6f57a7b0 R08: 0000000000000000 R09: 0000000000000000
[ 138.345250] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6f57a824
[ 138.345291] R13: 00007fff6f57b3c8 R14: 00007fff6f57a970 R15: 0000000000543540
[ 138.345337]
[ 138.345353] ---[ end trace 0000000000000000 ]---
[ 138.351846] ------------[ cut here ]------------
[ 138.351885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/64
[ 138.351955] Modules linked in:
[ 138.351982] CPU: 3 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.352042] Tainted: [W]=WARN
[ 138.352064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.352100] Workqueue: netns cleanup_net
[ 138.352126] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.352157] 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
[ 138.352258] RSP: 0018:ff5eed0340237c78 EFLAGS: 00010286
[ 138.352289] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.352333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1d22b3c18a0400
[ 138.352374] RBP: 0000000000000000 R08: ff1d22b3c18a3010 R09: ff1d22b3c66a802c
[ 138.352417] R10: ff1d22b3c19c7118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.352464] R13: 0000000000000011 R14: ff1d22b3c19c7000 R15: ff1d22b3c18a0400
[ 138.352512] FS: 0000000000000000(0000) GS:ff1d22b468416000(0000) knlGS:0000000000000000
[ 138.352560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.352598] CR2: 000055d552b332b8 CR3: 000000000338b005 CR4: 0000000000771ef0
[ 138.352644] PKRU: 55555554
[ 138.352660] Call Trace:
[ 138.352675]
[ 138.352694] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.352722] default_device_exit_batch+0x318/0x390
[ 138.352752] ops_undo_list+0x10b/0x240
[ 138.352778] cleanup_net+0x1d7/0x2e0
[ 138.352805] process_one_work+0x162/0x360
[ 138.352831] worker_thread+0x16e/0x2d0
[ 138.352855] ? rescuer_thread+0x510/0x510
[ 138.352879] kthread+0xe1/0x120
[ 138.352902] ? kthread_park+0xa0/0xa0
[ 138.352925] ret_from_fork+0x16d/0x250
[ 138.352947] ? kthread_park+0xa0/0xa0
[ 138.352968] ret_from_fork_asm+0x11/0x20
[ 138.352993]
[ 138.353008] ---[ end trace 0000000000000000 ]---