[ 184.121496] ------------[ cut here ]------------
[ 184.121538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/337
[ 184.121592] Modules linked in:
[ 184.121617] CPU: 0 UID: 0 PID: 337 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.121671] Tainted: [W]=WARN
[ 184.121691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.121727] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.121756] 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
[ 184.121852] RSP: 0018:ff798893805efcc8 EFLAGS: 00010286
[ 184.121880] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.121919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af02fe9800
[ 184.121957] RBP: 0000000000000000 R08: ff3f40af030c3bd0 R09: ff3f40af0206102c
[ 184.121996] R10: ff3f40af074b1118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.122035] R13: 0000000000000010 R14: ff3f40af074b1000 R15: ff3f40af02fe9800
[ 184.122078] FS: 00007fa51944b740(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 184.122130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.122166] CR2: 0000558b85298008 CR3: 00000000031d8001 CR4: 0000000000771ef0
[ 184.122207] PKRU: 55555554
[ 184.122222] Call Trace:
[ 184.122239]
[ 184.122254] rtmsg_ifinfo+0x3c/0xa0
[ 184.122276] register_netdevice+0x889/0x9f0
[ 184.122299] register_netdev+0x1e/0x30
[ 184.122318] loopback_net_init+0x57/0xb0
[ 184.122344] ? vsock_sysctl_init_net+0xb6/0x140
[ 184.122368] ops_init+0x68/0x140
[ 184.122393] setup_net+0x85/0x150
[ 184.122420] copy_net_ns+0xf5/0x200
[ 184.122442] create_new_namespaces+0x117/0x2f0
[ 184.122473] unshare_nsproxy_namespaces+0x85/0xb0
[ 184.122499] ksys_unshare+0x346/0x5e0
[ 184.122525] __x64_sys_unshare+0x12/0x20
[ 184.122550] do_syscall_64+0x104/0xfc0
[ 184.122572] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.122599] RIP: 0033:0x7fa519546bcb
[ 184.122622] 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
[ 184.122719] RSP: 002b:00007ffd1a361e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 184.122766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa519546bcb
[ 184.122812] RDX: 0000000000000000 RSI: 00007ffd1a361bb0 RDI: 0000000040000000
[ 184.122854] RBP: 00007ffd1a3621d0 R08: 00007ffd1a361da0 R09: 0000000000000000
[ 184.122898] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 184.122938] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000558b50ca8b68
[ 184.122979]
[ 184.122993] ---[ end trace 0000000000000000 ]---
[ 184.123617] ------------[ cut here ]------------
[ 184.123648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 184.123699] Modules linked in:
[ 184.123724] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.123785] Tainted: [W]=WARN
[ 184.123805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.123838] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.123868] 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
[ 184.123962] RSP: 0018:ff798893805efd68 EFLAGS: 00010286
[ 184.123991] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 184.124034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af02fe9800
[ 184.124076] RBP: 0000000000000000 R08: ff3f40af0313ba90 R09: ff3f40af04abd030
[ 184.124121] R10: ff3f40af03328118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.124164] R13: 0000000000000010 R14: ff3f40af03328000 R15: ff3f40af02fe9800
[ 184.124208] FS: 0000000028f10400(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 184.124249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.124277] CR2: 00007f11f9c39000 CR3: 0000000004a0d002 CR4: 0000000000771ef0
[ 184.124323] PKRU: 55555554
[ 184.124335] Call Trace:
[ 184.124346]
[ 184.124361] rtmsg_ifinfo+0x3c/0xa0
[ 184.124384] register_netdevice+0x889/0x9f0
[ 184.124409] __tun_chr_ioctl+0x83c/0x16c0
[ 184.124433] ? do_sys_openat2+0x9a/0xe0
[ 184.124455] __x64_sys_ioctl+0xa1/0xe0
[ 184.124474] do_syscall_64+0x104/0xfc0
[ 184.124496] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.124525] RIP: 0033:0x47cc8d
[ 184.124548] 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
[ 184.124648] RSP: 002b:00007ffeb7f788d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.124688] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.124728] RDX: 00007ffeb7f78950 RSI: 00000000400454ca RDI: 0000000000000005
[ 184.124771] RBP: 00007ffeb7f78920 R08: 0000000000000000 R09: 0000000000000000
[ 184.124812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb7f78e28
[ 184.124850] R13: 00007ffeb7f78ea8 R14: 0000000000000002 R15: 0000000000543540
[ 184.124892]
[ 184.124908] ---[ end trace 0000000000000000 ]---
[ 184.124949] ------------[ cut here ]------------
[ 184.124976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 184.125023] Modules linked in:
[ 184.125042] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.125095] Tainted: [W]=WARN
[ 184.125118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.125154] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.125183] 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
[ 184.125276] RSP: 0018:ff798893805efd60 EFLAGS: 00010286
[ 184.125303] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 184.125342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af02fe9800
[ 184.125381] RBP: 0000000000000002 R08: ff3f40af0313ba90 R09: ff3f40af04abd030
[ 184.125424] R10: ff3f40af03328118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.125462] R13: 0000000000000010 R14: ff3f40af03328000 R15: ff3f40af02fe9800
[ 184.125498] FS: 0000000028f10400(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 184.125541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.125576] CR2: 00007f11f9c39000 CR3: 0000000004a0d002 CR4: 0000000000771ef0
[ 184.125619] PKRU: 55555554
[ 184.125634] Call Trace:
[ 184.125647]
[ 184.125660] rtnetlink_event+0x6e/0xb0
[ 184.125683] notifier_call_chain+0x6d/0x100
[ 184.125704] netdev_update_features+0x56/0x60
[ 184.125729] __tun_chr_ioctl+0xbf1/0x16c0
[ 184.125753] ? file_init_path+0x62/0x120
[ 184.125773] __x64_sys_ioctl+0xa1/0xe0
[ 184.125793] do_syscall_64+0x104/0xfc0
[ 184.125816] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.125845] RIP: 0033:0x47cc8d
[ 184.125866] 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
[ 184.125966] RSP: 002b:00007ffeb7f78910 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.126014] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.126057] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 184.126100] RBP: 00007ffeb7f78960 R08: 0000000000000000 R09: 0000000000000000
[ 184.126145] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb7f78e28
[ 184.126188] R13: 00007ffeb7f78ea8 R14: 0000000000000002 R15: 0000000000543540
[ 184.126229]
[ 184.126243] ---[ end trace 0000000000000000 ]---
[ 184.126284] ------------[ cut here ]------------
[ 184.126312] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 184.126350] Modules linked in:
[ 184.126370] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 184.126427] Tainted: [W]=WARN
[ 184.126446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.126482] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 184.126512] 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
[ 184.126615] RSP: 0018:ff798893805efc10 EFLAGS: 00010286
[ 184.126643] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 184.126691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af02fe9800
[ 184.126731] RBP: 0000000000000000 R08: ff3f40af0313ba90 R09: ff3f40af04abe030
[ 184.126771] R10: ff3f40af03328118 R11: fefefefefefefeff R12: 0000000000000000
[ 184.126810] R13: 0000000000000010 R14: ff3f40af03328000 R15: ff3f40af02fe9800
[ 184.126859] FS: 0000000028f10400(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 184.126901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.126936] CR2: 00007f11f9c39000 CR3: 0000000004a0d002 CR4: 0000000000771ef0
[ 184.126976] PKRU: 55555554
[ 184.126991] Call Trace:
[ 184.127009]
[ 184.127023] rtmsg_ifinfo+0x3c/0xa0
[ 184.127044] __dev_notify_flags+0xb1/0xf0
[ 184.127065] netif_change_flags+0x54/0x70
[ 184.127085] dev_change_flags+0x45/0x80
[ 184.127111] devinet_ioctl+0x607/0x7f0
[ 184.127137] inet_ioctl+0x229/0x240
[ 184.127160] ? __rtnl_unlock+0x35/0x60
[ 184.127181] sock_do_ioctl+0x75/0x140
[ 184.127202] __x64_sys_ioctl+0xa1/0xe0
[ 184.127224] do_syscall_64+0x104/0xfc0
[ 184.127247] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.127275] RIP: 0033:0x47cc8d
[ 184.127296] 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
[ 184.127395] RSP: 002b:00007ffeb7f788f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 184.127439] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 184.127483] RDX: 00007ffeb7f78960 RSI: 0000000000008914 RDI: 0000000000000006
[ 184.127524] RBP: 00007ffeb7f78940 R08: 0000000000000000 R09: 0000000000000000
[ 184.127563] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeb7f78e28
[ 184.127602] R13: 00007ffeb7f78ea8 R14: 0000000000000002 R15: 0000000000543540
[ 184.127641]
[ 184.127654] ---[ end trace 0000000000000000 ]---
[ 229.106332] ------------[ cut here ]------------
[ 229.106408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 229.106470] Modules linked in:
[ 229.106501] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.106571] Tainted: [W]=WARN
[ 229.106594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.106632] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.106664] 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
[ 229.106774] RSP: 0018:ff798893805efb58 EFLAGS: 00010286
[ 229.106806] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 229.106848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af01d79200
[ 229.106889] RBP: 0000000000000000 R08: ff3f40af0313ba90 R09: ff3f40af04aba030
[ 229.106931] R10: ff3f40af03328118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.106974] R13: 0000000000000010 R14: ff3f40af03328000 R15: ff3f40af01d79200
[ 229.107018] FS: 0000000000000000(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 229.107067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.107102] CR2: 00007f11f9c39000 CR3: 0000000025242005 CR4: 0000000000771ef0
[ 229.107153] PKRU: 55555554
[ 229.107167] Call Trace:
[ 229.107184]
[ 229.107199] rtmsg_ifinfo+0x3c/0xa0
[ 229.107223] netif_close_many+0xed/0x190
[ 229.107251] unregister_netdevice_many_notify+0x267/0x9d0
[ 229.107283] ? __queue_work+0x141/0x550
[ 229.107310] unregister_netdevice_queue+0x9e/0xd0
[ 229.107340] __tun_detach+0x591/0x5b0
[ 229.107369] tun_chr_close+0x3f/0xc0
[ 229.107391] __fput+0xe8/0x2c0
[ 229.107418] task_work_run+0x63/0xa0
[ 229.107443] do_exit+0x2c1/0xba0
[ 229.107464] ? netlink_unicast+0x273/0x3a0
[ 229.107487] do_group_exit+0x2d/0xc0
[ 229.107511] get_signal+0x82e/0x900
[ 229.107537] arch_do_signal_or_restart+0x77/0x2b0
[ 229.107568] exit_to_user_mode_loop+0x75/0x4a0
[ 229.107599] do_syscall_64+0x439/0xfc0
[ 229.107625] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.107654] RIP: 0033:0x4c2d9e
[ 229.107679] Code: Unable to access opcode bytes at 0x4c2d74.
[ 229.107711] RSP: 002b:00007ffeb7f78280 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 229.107753] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 229.107794] RDX: 0000000000000014 RSI: 00007ffeb7f78360 RDI: 0000000000000007
[ 229.107837] RBP: 00007ffeb7f78290 R08: 00007ffeb7f78320 R09: 000000000000000c
[ 229.107879] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb7f78e28
[ 229.107921] R13: 00007ffeb7f78ea8 R14: 00007ffeb7f78450 R15: 0000000000543540
[ 229.107962]
[ 229.107975] ---[ end trace 0000000000000000 ]---
[ 229.108147] ------------[ cut here ]------------
[ 229.108176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/337
[ 229.108226] Modules linked in:
[ 229.108247] CPU: 0 UID: 0 PID: 337 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.108302] Tainted: [W]=WARN
[ 229.108322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.108356] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.108383] 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
[ 229.108480] RSP: 0018:ff798893805efbc8 EFLAGS: 00010286
[ 229.108510] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.108555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af01d79200
[ 229.108594] RBP: 0000000000000000 R08: ff3f40af0313ba90 R09: ff3f40af06cd6030
[ 229.108637] R10: ff3f40af03328118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.108680] R13: 0000000000000011 R14: ff3f40af03328000 R15: ff3f40af01d79200
[ 229.108725] FS: 0000000000000000(0000) GS:ff3f40af93c96000(0000) knlGS:0000000000000000
[ 229.108766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.108805] CR2: 00007f11f9c39000 CR3: 0000000025242005 CR4: 0000000000771ef0
[ 229.108845] PKRU: 55555554
[ 229.108860] Call Trace:
[ 229.108875]
[ 229.108887] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.108915] unregister_netdevice_queue+0x9e/0xd0
[ 229.108943] __tun_detach+0x591/0x5b0
[ 229.108967] tun_chr_close+0x3f/0xc0
[ 229.108987] __fput+0xe8/0x2c0
[ 229.109010] task_work_run+0x63/0xa0
[ 229.109031] do_exit+0x2c1/0xba0
[ 229.109052] ? netlink_unicast+0x273/0x3a0
[ 229.109074] do_group_exit+0x2d/0xc0
[ 229.109095] get_signal+0x82e/0x900
[ 229.109117] arch_do_signal_or_restart+0x77/0x2b0
[ 229.109147] exit_to_user_mode_loop+0x75/0x4a0
[ 229.109170] do_syscall_64+0x439/0xfc0
[ 229.109193] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 229.109221] RIP: 0033:0x4c2d9e
[ 229.109243] Code: Unable to access opcode bytes at 0x4c2d74.
[ 229.109276] RSP: 002b:00007ffeb7f78280 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 229.109319] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 229.109358] RDX: 0000000000000014 RSI: 00007ffeb7f78360 RDI: 0000000000000007
[ 229.109406] RBP: 00007ffeb7f78290 R08: 00007ffeb7f78320 R09: 000000000000000c
[ 229.109446] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb7f78e28
[ 229.109490] R13: 00007ffeb7f78ea8 R14: 00007ffeb7f78450 R15: 0000000000543540
[ 229.109535]
[ 229.109549] ---[ end trace 0000000000000000 ]---
[ 229.119230] ------------[ cut here ]------------
[ 229.119265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:0/12
[ 229.119331] Modules linked in:
[ 229.119358] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 229.119415] Tainted: [W]=WARN
[ 229.119438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 229.119474] Workqueue: netns cleanup_net
[ 229.119497] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 229.119530] 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
[ 229.119627] RSP: 0018:ff79889380067c78 EFLAGS: 00010286
[ 229.119656] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 229.119698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3f40af0188f700
[ 229.119737] RBP: 0000000000000000 R08: ff3f40af030c3bd0 R09: ff3f40af06ee982c
[ 229.119780] R10: ff3f40af074b1118 R11: fefefefefefefeff R12: 0000000000000000
[ 229.119821] R13: 0000000000000011 R14: ff3f40af074b1000 R15: ff3f40af0188f700
[ 229.119867] FS: 0000000000000000(0000) GS:ff3f40af93e16000(0000) knlGS:0000000000000000
[ 229.119914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 229.119948] CR2: 00007fd5acc29f98 CR3: 0000000025242004 CR4: 0000000000771ef0
[ 229.119987] PKRU: 55555554
[ 229.120001] Call Trace:
[ 229.120019]
[ 229.120035] unregister_netdevice_many_notify+0x877/0x9d0
[ 229.120070] default_device_exit_batch+0x318/0x390
[ 229.120100] ops_undo_list+0x10b/0x240
[ 229.120129] cleanup_net+0x1d7/0x2e0
[ 229.120152] process_one_work+0x162/0x360
[ 229.120176] worker_thread+0x16e/0x2d0
[ 229.120201] ? rescuer_thread+0x510/0x510
[ 229.120222] kthread+0xe1/0x120
[ 229.120246] ? kthread_park+0xa0/0xa0
[ 229.120267] ret_from_fork+0x16d/0x250
[ 229.120286] ? kthread_park+0xa0/0xa0
[ 229.120310] ret_from_fork_asm+0x11/0x20
[ 229.120333]
[ 229.120346] ---[ end trace 0000000000000000 ]---