[ 138.644516] ------------[ cut here ]------------
[ 138.644565] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/291
[ 138.644623] Modules linked in:
[ 138.644646] CPU: 0 UID: 0 PID: 291 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.644704] Tainted: [W]=WARN
[ 138.644726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.644767] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.644797] 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
[ 138.644881] RSP: 0018:ff60a8d680517cc8 EFLAGS: 00010286
[ 138.644909] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.644949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8e00
[ 138.644994] RBP: 0000000000000000 R08: ff26e362432c29d0 R09: ff26e362431e802c
[ 138.645033] R10: ff26e362431eb118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.645081] R13: 0000000000000010 R14: ff26e362431eb000 R15: ff26e36241dd8e00
[ 138.645129] FS: 00007f049a0b9740(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 138.645172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.645212] CR2: 000055ee4584f008 CR3: 00000000032da001 CR4: 0000000000771ef0
[ 138.645257] PKRU: 55555554
[ 138.645274] Call Trace:
[ 138.645291]
[ 138.645307] rtmsg_ifinfo+0x3c/0xa0
[ 138.645329] register_netdevice+0x889/0x9f0
[ 138.645352] register_netdev+0x1e/0x30
[ 138.645373] loopback_net_init+0x57/0xb0
[ 138.645397] ? vsock_sysctl_init_net+0xb6/0x140
[ 138.645428] ops_init+0x68/0x140
[ 138.645452] setup_net+0x85/0x150
[ 138.645475] copy_net_ns+0xf5/0x200
[ 138.645498] create_new_namespaces+0x117/0x2f0
[ 138.645524] unshare_nsproxy_namespaces+0x85/0xb0
[ 138.645553] ksys_unshare+0x346/0x5e0
[ 138.645578] __x64_sys_unshare+0x12/0x20
[ 138.645603] do_syscall_64+0x104/0xfc0
[ 138.645627] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.645657] RIP: 0033:0x7f049a1b4bcb
[ 138.645681] 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
[ 138.645788] RSP: 002b:00007ffd184e9328 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 138.645834] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f049a1b4bcb
[ 138.645878] RDX: 0000000000000000 RSI: 00007ffd184e9090 RDI: 0000000040000000
[ 138.645917] RBP: 00007ffd184e96b0 R08: 00007ffd184e9280 R09: 0000000000000000
[ 138.645957] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 138.646004] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055ee38c35b68
[ 138.646045]
[ 138.646062] ---[ end trace 0000000000000000 ]---
[ 138.646809] ------------[ cut here ]------------
[ 138.646845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/291
[ 138.646903] Modules linked in:
[ 138.646927] CPU: 0 UID: 0 PID: 291 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.646985] Tainted: [W]=WARN
[ 138.647006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.647039] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.647066] 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
[ 138.647163] RSP: 0018:ff60a8d680517d68 EFLAGS: 00010286
[ 138.647198] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.647240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8e00
[ 138.647281] RBP: 0000000000000000 R08: ff26e36243368650 R09: ff26e36242dc8030
[ 138.647324] R10: ff26e36244c2c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.647369] R13: 0000000000000010 R14: ff26e36244c2c000 R15: ff26e36241dd8e00
[ 138.647413] FS: 0000000012551400(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 138.647458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.647492] CR2: 00007fdefaa5b000 CR3: 00000000030ac002 CR4: 0000000000771ef0
[ 138.647540] PKRU: 55555554
[ 138.647555] Call Trace:
[ 138.647570]
[ 138.647584] rtmsg_ifinfo+0x3c/0xa0
[ 138.647606] register_netdevice+0x889/0x9f0
[ 138.647627] __tun_chr_ioctl+0x83c/0x16c0
[ 138.647651] ? do_sys_openat2+0x9a/0xe0
[ 138.647671] __x64_sys_ioctl+0xa1/0xe0
[ 138.647696] do_syscall_64+0x104/0xfc0
[ 138.647721] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.647759] RIP: 0033:0x47cc8d
[ 138.647780] 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
[ 138.647884] RSP: 002b:00007ffe3889f6c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.647929] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.647971] RDX: 00007ffe3889f740 RSI: 00000000400454ca RDI: 0000000000000005
[ 138.648016] RBP: 00007ffe3889f710 R08: 0000000000000000 R09: 0000000000000000
[ 138.648054] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3889fc18
[ 138.648094] R13: 00007ffe3889fc98 R14: 0000000000000002 R15: 0000000000543540
[ 138.648141]
[ 138.648156] ---[ end trace 0000000000000000 ]---
[ 138.648202] ------------[ cut here ]------------
[ 138.648229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/291
[ 138.648276] Modules linked in:
[ 138.648300] CPU: 0 UID: 0 PID: 291 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.648354] Tainted: [W]=WARN
[ 138.648374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.648406] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.648432] 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
[ 138.648532] RSP: 0018:ff60a8d680517d60 EFLAGS: 00010286
[ 138.648562] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 138.648602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8e00
[ 138.648646] RBP: 0000000000000002 R08: ff26e36243368650 R09: ff26e36242dc8030
[ 138.648685] R10: ff26e36244c2c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.648728] R13: 0000000000000010 R14: ff26e36244c2c000 R15: ff26e36241dd8e00
[ 138.648775] FS: 0000000012551400(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 138.648817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.648849] CR2: 00007fdefaa5b000 CR3: 00000000030ac002 CR4: 0000000000771ef0
[ 138.648884] PKRU: 55555554
[ 138.648904] Call Trace:
[ 138.648917]
[ 138.648934] rtnetlink_event+0x6e/0xb0
[ 138.648956] notifier_call_chain+0x6d/0x100
[ 138.648981] netdev_update_features+0x56/0x60
[ 138.649015] __tun_chr_ioctl+0xbf1/0x16c0
[ 138.649037] ? file_init_path+0x62/0x120
[ 138.649061] __x64_sys_ioctl+0xa1/0xe0
[ 138.649084] do_syscall_64+0x104/0xfc0
[ 138.649105] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.649133] RIP: 0033:0x47cc8d
[ 138.649153] 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
[ 138.649255] RSP: 002b:00007ffe3889f700 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.649300] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.649342] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 138.649384] RBP: 00007ffe3889f750 R08: 0000000000000000 R09: 0000000000000000
[ 138.649433] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3889fc18
[ 138.649479] R13: 00007ffe3889fc98 R14: 0000000000000002 R15: 0000000000543540
[ 138.649522]
[ 138.649538] ---[ end trace 0000000000000000 ]---
[ 138.649577] ------------[ cut here ]------------
[ 138.649603] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/291
[ 138.649656] Modules linked in:
[ 138.649677] CPU: 0 UID: 0 PID: 291 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.649735] Tainted: [W]=WARN
[ 138.649761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.649795] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.649823] 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
[ 138.649917] RSP: 0018:ff60a8d680517c10 EFLAGS: 00010286
[ 138.649944] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 138.649985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8e00
[ 138.650025] RBP: 0000000000000000 R08: ff26e36243368650 R09: ff26e362431ef030
[ 138.650064] R10: ff26e36244c2c118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.650106] R13: 0000000000000010 R14: ff26e36244c2c000 R15: ff26e36241dd8e00
[ 138.650157] FS: 0000000012551400(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 138.650202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.650239] CR2: 00007fdefaa5b000 CR3: 00000000030ac002 CR4: 0000000000771ef0
[ 138.650280] PKRU: 55555554
[ 138.650293] Call Trace:
[ 138.650306]
[ 138.650320] rtmsg_ifinfo+0x3c/0xa0
[ 138.650341] __dev_notify_flags+0xb1/0xf0
[ 138.650363] netif_change_flags+0x54/0x70
[ 138.650383] dev_change_flags+0x45/0x80
[ 138.650404] devinet_ioctl+0x607/0x7f0
[ 138.650430] inet_ioctl+0x229/0x240
[ 138.650452] ? __rtnl_unlock+0x35/0x60
[ 138.650474] sock_do_ioctl+0x75/0x140
[ 138.650498] __x64_sys_ioctl+0xa1/0xe0
[ 138.650520] do_syscall_64+0x104/0xfc0
[ 138.650539] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.650568] RIP: 0033:0x47cc8d
[ 138.650589] 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
[ 138.650693] RSP: 002b:00007ffe3889f6e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 138.650732] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 138.650782] RDX: 00007ffe3889f750 RSI: 0000000000008914 RDI: 0000000000000006
[ 138.650822] RBP: 00007ffe3889f730 R08: 0000000000000000 R09: 0000000000000000
[ 138.650862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3889fc18
[ 138.650903] R13: 00007ffe3889fc98 R14: 0000000000000002 R15: 0000000000543540
[ 138.650946]
[ 138.650960] ---[ end trace 0000000000000000 ]---
[ 183.629417] ------------[ cut here ]------------
[ 183.629484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/291
[ 183.629553] Modules linked in:
[ 183.629575] CPU: 0 UID: 0 PID: 291 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.629642] Tainted: [W]=WARN
[ 183.629667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.629707] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.629736] 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
[ 183.629849] RSP: 0018:ff60a8d680517b58 EFLAGS: 00010286
[ 183.629883] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 183.629930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241c3fd00
[ 183.629980] RBP: 0000000000000000 R08: ff26e36243368650 R09: ff26e36241e7c030
[ 183.630026] R10: ff26e36244c2c118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.630077] R13: 0000000000000010 R14: ff26e36244c2c000 R15: ff26e36241c3fd00
[ 183.630131] FS: 0000000000000000(0000) GS:ff26e362f5a96000(0000) knlGS:0000000000000000
[ 183.630182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.630221] CR2: 00007fdefaa5b000 CR3: 000000003e242003 CR4: 0000000000771ef0
[ 183.630275] PKRU: 55555554
[ 183.630289] Call Trace:
[ 183.630306]
[ 183.630322] rtmsg_ifinfo+0x3c/0xa0
[ 183.630357] netif_close_many+0xed/0x190
[ 183.630381] unregister_netdevice_many_notify+0x267/0x9d0
[ 183.630412] ? __queue_work+0x141/0x550
[ 183.630440] unregister_netdevice_queue+0x9e/0xd0
[ 183.630472] __tun_detach+0x591/0x5b0
[ 183.630500] tun_chr_close+0x3f/0xc0
[ 183.630520] __fput+0xe8/0x2c0
[ 183.630547] task_work_run+0x63/0xa0
[ 183.630569] do_exit+0x2c1/0xba0
[ 183.630593] ? sysvec_reschedule_ipi+0x25/0x120
[ 183.630623] do_group_exit+0x2d/0xc0
[ 183.630649] get_signal+0x82e/0x900
[ 183.630672] arch_do_signal_or_restart+0x77/0x2b0
[ 183.630706] exit_to_user_mode_loop+0x75/0x4a0
[ 183.630739] do_syscall_64+0x439/0xfc0
[ 183.630760] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.630792] RIP: 0033:0x4c2d9e
[ 183.630816] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.630852] RSP: 002b:00007ffe3889f070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.630897] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 183.630943] RDX: 0000000000000014 RSI: 00007ffe3889f150 RDI: 0000000000000007
[ 183.630991] RBP: 00007ffe3889f080 R08: 00007ffe3889f110 R09: 000000000000000c
[ 183.631032] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe3889fc18
[ 183.631076] R13: 00007ffe3889fc98 R14: 00007ffe3889f240 R15: 0000000000543540
[ 183.631127]
[ 183.631142] ---[ end trace 0000000000000000 ]---
[ 183.631276] ------------[ cut here ]------------
[ 183.631316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: packetdrill/291
[ 183.631370] Modules linked in:
[ 183.631393] CPU: 1 UID: 0 PID: 291 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.631448] Tainted: [W]=WARN
[ 183.631468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.631502] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.631535] 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
[ 183.631633] RSP: 0018:ff60a8d680517bc8 EFLAGS: 00010286
[ 183.631664] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.631703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241dd8f00
[ 183.631736] RBP: 0000000000000000 R08: ff26e36243368650 R09: ff26e3624713f030
[ 183.631777] R10: ff26e36244c2c118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.631817] R13: 0000000000000011 R14: ff26e36244c2c000 R15: ff26e36241dd8f00
[ 183.631864] FS: 0000000000000000(0000) GS:ff26e362f5b16000(0000) knlGS:0000000000000000
[ 183.631899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.631935] CR2: 00007fed897bb9dc CR3: 000000003e242005 CR4: 0000000000771ef0
[ 183.631981] PKRU: 55555554
[ 183.631996] Call Trace:
[ 183.632010]
[ 183.632022] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.632053] unregister_netdevice_queue+0x9e/0xd0
[ 183.632080] __tun_detach+0x591/0x5b0
[ 183.632105] tun_chr_close+0x3f/0xc0
[ 183.632133] __fput+0xe8/0x2c0
[ 183.632158] task_work_run+0x63/0xa0
[ 183.632188] do_exit+0x2c1/0xba0
[ 183.632211] ? sysvec_reschedule_ipi+0x25/0x120
[ 183.632242] do_group_exit+0x2d/0xc0
[ 183.632263] get_signal+0x82e/0x900
[ 183.632290] arch_do_signal_or_restart+0x77/0x2b0
[ 183.632321] exit_to_user_mode_loop+0x75/0x4a0
[ 183.632352] do_syscall_64+0x439/0xfc0
[ 183.632376] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 183.632404] RIP: 0033:0x4c2d9e
[ 183.632423] Code: Unable to access opcode bytes at 0x4c2d74.
[ 183.632448] RSP: 002b:00007ffe3889f070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 183.632491] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 183.632535] RDX: 0000000000000014 RSI: 00007ffe3889f150 RDI: 0000000000000007
[ 183.632575] RBP: 00007ffe3889f080 R08: 00007ffe3889f110 R09: 000000000000000c
[ 183.632617] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe3889fc18
[ 183.632657] R13: 00007ffe3889fc98 R14: 00007ffe3889f240 R15: 0000000000543540
[ 183.632699]
[ 183.632712] ---[ end trace 0000000000000000 ]---
[ 183.649293] ------------[ cut here ]------------
[ 183.649330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/64
[ 183.649400] Modules linked in:
[ 183.649424] CPU: 3 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 183.649481] Tainted: [W]=WARN
[ 183.649501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 183.649537] Workqueue: netns cleanup_net
[ 183.649560] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 183.649589] 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
[ 183.649685] RSP: 0018:ff60a8d680237c78 EFLAGS: 00010286
[ 183.649713] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 183.649755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff26e36241c3fc00
[ 183.649795] RBP: 0000000000000000 R08: ff26e362432c29d0 R09: ff26e3624732402c
[ 183.649836] R10: ff26e362431eb118 R11: fefefefefefefeff R12: 0000000000000000
[ 183.649875] R13: 0000000000000011 R14: ff26e362431eb000 R15: ff26e36241c3fc00
[ 183.649916] FS: 0000000000000000(0000) GS:ff26e362f5c16000(0000) knlGS:0000000000000000
[ 183.649962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 183.649992] CR2: 00007f3f46d6e770 CR3: 000000003e242005 CR4: 0000000000771ef0
[ 183.650033] PKRU: 55555554
[ 183.650048] Call Trace:
[ 183.650063]
[ 183.650078] unregister_netdevice_many_notify+0x877/0x9d0
[ 183.650105] default_device_exit_batch+0x318/0x390
[ 183.650137] ops_undo_list+0x10b/0x240
[ 183.650158] cleanup_net+0x1d7/0x2e0
[ 183.650183] process_one_work+0x162/0x360
[ 183.650204] worker_thread+0x16e/0x2d0
[ 183.650229] ? rescuer_thread+0x510/0x510
[ 183.650250] kthread+0xe1/0x120
[ 183.650270] ? kthread_park+0xa0/0xa0
[ 183.650291] ret_from_fork+0x16d/0x250
[ 183.650315] ? kthread_park+0xa0/0xa0
[ 183.650337] ret_from_fork_asm+0x11/0x20
[ 183.650361]
[ 183.650375] ---[ end trace 0000000000000000 ]---