[ 2.210355] ------------[ cut here ]------------
[ 2.210417] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/159
[ 2.210518] Modules linked in:
[ 2.210545] CPU: 3 UID: 0 PID: 159 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.210625] Tainted: [W]=WARN
[ 2.210648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.210696] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.210744] 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
[ 2.210856] RSP: 0018:ff762bc640263cc8 EFLAGS: 00010286
[ 2.210898] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.210939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e341d79b00
[ 2.210979] RBP: 0000000000000000 R08: ff2e33e342e52d10 R09: ff2e33e344f5a02c
[ 2.211026] R10: ff2e33e344c5d118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.211065] R13: 0000000000000010 R14: ff2e33e344c5d000 R15: ff2e33e341d79b00
[ 2.211110] FS: 00007fa3f4b59740(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 2.211174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.211222] CR2: 0000562582137310 CR3: 0000000002df3003 CR4: 0000000000771ef0
[ 2.211264] PKRU: 55555554
[ 2.211286] Call Trace:
[ 2.211301]
[ 2.211334] rtmsg_ifinfo+0x3c/0xa0
[ 2.211362] register_netdevice+0x889/0x9f0
[ 2.211386] register_netdev+0x1e/0x30
[ 2.211406] loopback_net_init+0x57/0xb0
[ 2.211436] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.211473] ops_init+0x68/0x140
[ 2.211497] setup_net+0x85/0x150
[ 2.211529] copy_net_ns+0xf5/0x200
[ 2.211564] create_new_namespaces+0x117/0x2f0
[ 2.211595] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.211630] ksys_unshare+0x346/0x5e0
[ 2.211656] __x64_sys_unshare+0x12/0x20
[ 2.211680] do_syscall_64+0x104/0xfc0
[ 2.211705] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.211754] RIP: 0033:0x7fa3f4c54bcb
[ 2.211778] 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
[ 2.211875] RSP: 002b:00007ffdc977b3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.211917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3f4c54bcb
[ 2.211962] RDX: 0000000000000000 RSI: 00007ffdc977b120 RDI: 0000000040000000
[ 2.212004] RBP: 00007ffdc977b740 R08: 00007ffdc977b310 R09: 0000000000000000
[ 2.212044] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.212087] R13: 0000000000000000 R14: 00000000ffffffff R15: 000056258213ab68
[ 2.212130]
[ 2.212144] ---[ end trace 0000000000000000 ]---
[ 2.215325] ------------[ cut here ]------------
[ 2.215361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.215401] Modules linked in:
[ 2.215423] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.215498] Tainted: [W]=WARN
[ 2.215523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.215563] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.215595] 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
[ 2.215698] RSP: 0018:ff762bc640263d68 EFLAGS: 00010286
[ 2.215729] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.215776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e341d79b00
[ 2.215822] RBP: 0000000000000000 R08: ff2e33e342e6b850 R09: ff2e33e344f5f030
[ 2.215863] R10: ff2e33e344e94118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.215905] R13: 0000000000000010 R14: ff2e33e344e94000 R15: ff2e33e341d79b00
[ 2.215949] FS: 0000000013a05400(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 2.215996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.216035] CR2: 00007f115c5c9000 CR3: 0000000004f8c004 CR4: 0000000000771ef0
[ 2.216077] PKRU: 55555554
[ 2.216091] Call Trace:
[ 2.216106]
[ 2.216122] rtmsg_ifinfo+0x3c/0xa0
[ 2.216146] register_netdevice+0x889/0x9f0
[ 2.216168] __tun_chr_ioctl+0x83c/0x16c0
[ 2.216194] ? do_sys_openat2+0x9a/0xe0
[ 2.216220] __x64_sys_ioctl+0xa1/0xe0
[ 2.216244] do_syscall_64+0x104/0xfc0
[ 2.216269] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.216300] RIP: 0033:0x47cc8d
[ 2.216322] 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
[ 2.216424] RSP: 002b:00007ffec78a79c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.216483] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.216525] RDX: 00007ffec78a7a40 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.216565] RBP: 00007ffec78a7a10 R08: 0000000000000000 R09: 0000000000000000
[ 2.216606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec78a7f18
[ 2.216651] R13: 00007ffec78a7f98 R14: 0000000000000002 R15: 0000000000543540
[ 2.216692]
[ 2.216705] ---[ end trace 0000000000000000 ]---
[ 2.216749] ------------[ cut here ]------------
[ 2.216776] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.216836] Modules linked in:
[ 2.216858] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.216915] Tainted: [W]=WARN
[ 2.216936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.216970] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.217000] 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
[ 2.217100] RSP: 0018:ff762bc640263d60 EFLAGS: 00010286
[ 2.217130] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.217176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e341d79b00
[ 2.217226] RBP: 0000000000000002 R08: ff2e33e342e6b850 R09: ff2e33e344f5f030
[ 2.217268] R10: ff2e33e344e94118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.217316] R13: 0000000000000010 R14: ff2e33e344e94000 R15: ff2e33e341d79b00
[ 2.217360] FS: 0000000013a05400(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 2.217405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.217442] CR2: 00007f115c5c9000 CR3: 0000000004f8c004 CR4: 0000000000771ef0
[ 2.217491] PKRU: 55555554
[ 2.217504] Call Trace:
[ 2.217520]
[ 2.217536] rtnetlink_event+0x6e/0xb0
[ 2.217560] notifier_call_chain+0x6d/0x100
[ 2.217579] netdev_update_features+0x56/0x60
[ 2.217609] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.217633] ? file_init_path+0x62/0x120
[ 2.217657] __x64_sys_ioctl+0xa1/0xe0
[ 2.217680] do_syscall_64+0x104/0xfc0
[ 2.217702] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.217729] RIP: 0033:0x47cc8d
[ 2.217750] 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
[ 2.217851] RSP: 002b:00007ffec78a7a00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.217890] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.217932] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.217975] RBP: 00007ffec78a7a50 R08: 0000000000000000 R09: 0000000000000000
[ 2.218019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec78a7f18
[ 2.218060] R13: 00007ffec78a7f98 R14: 0000000000000002 R15: 0000000000543540
[ 2.218095]
[ 2.218109] ---[ end trace 0000000000000000 ]---
[ 2.218154] ------------[ cut here ]------------
[ 2.218182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 2.218228] Modules linked in:
[ 2.218250] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.218308] Tainted: [W]=WARN
[ 2.218329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.218364] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.218393] 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
[ 2.218503] RSP: 0018:ff762bc640263c10 EFLAGS: 00010286
[ 2.218527] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.218578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e341d79b00
[ 2.218619] RBP: 0000000000000000 R08: ff2e33e342e6b850 R09: ff2e33e344f5c030
[ 2.218663] R10: ff2e33e344e94118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.218709] R13: 0000000000000010 R14: ff2e33e344e94000 R15: ff2e33e341d79b00
[ 2.218753] FS: 0000000013a05400(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 2.218796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.218837] CR2: 00007f115c5c9000 CR3: 0000000004f8c004 CR4: 0000000000771ef0
[ 2.218877] PKRU: 55555554
[ 2.218890] Call Trace:
[ 2.218904]
[ 2.218919] rtmsg_ifinfo+0x3c/0xa0
[ 2.218939] __dev_notify_flags+0xb1/0xf0
[ 2.218960] netif_change_flags+0x54/0x70
[ 2.218983] dev_change_flags+0x45/0x80
[ 2.219004] devinet_ioctl+0x607/0x7f0
[ 2.219024] inet_ioctl+0x229/0x240
[ 2.219047] ? __rtnl_unlock+0x35/0x60
[ 2.219069] sock_do_ioctl+0x75/0x140
[ 2.219089] __x64_sys_ioctl+0xa1/0xe0
[ 2.219112] do_syscall_64+0x104/0xfc0
[ 2.219134] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.219157] RIP: 0033:0x47cc8d
[ 2.219179] 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
[ 2.219275] RSP: 002b:00007ffec78a79e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.219318] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.219358] RDX: 00007ffec78a7a50 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.219396] RBP: 00007ffec78a7a30 R08: 0000000000000000 R09: 0000000000000000
[ 2.219443] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec78a7f18
[ 2.219490] R13: 00007ffec78a7f98 R14: 0000000000000002 R15: 0000000000543540
[ 2.219534]
[ 2.219549] ---[ end trace 0000000000000000 ]---
[ 47.194606] ------------[ cut here ]------------
[ 47.194711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 47.194777] Modules linked in:
[ 47.194806] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.194867] Tainted: [W]=WARN
[ 47.194892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.194935] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.194964] 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
[ 47.195068] RSP: 0018:ff762bc640263b58 EFLAGS: 00010286
[ 47.195100] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.195144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e342e1dc00
[ 47.195188] RBP: 0000000000000000 R08: ff2e33e342e6b850 R09: ff2e33e344f5c030
[ 47.195231] R10: ff2e33e344e94118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.195284] R13: 0000000000000010 R14: ff2e33e344e94000 R15: ff2e33e342e1dc00
[ 47.195333] FS: 0000000000000000(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 47.195379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.195411] CR2: 00007f115c5c9000 CR3: 0000000004e3d005 CR4: 0000000000771ef0
[ 47.195575] PKRU: 55555554
[ 47.195598] Call Trace:
[ 47.195616]
[ 47.195633] rtmsg_ifinfo+0x3c/0xa0
[ 47.195657] netif_close_many+0xed/0x190
[ 47.195682] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.195713] ? __queue_work+0x141/0x550
[ 47.195737] unregister_netdevice_queue+0x9e/0xd0
[ 47.195765] __tun_detach+0x591/0x5b0
[ 47.195792] tun_chr_close+0x3f/0xc0
[ 47.195820] __fput+0xe8/0x2c0
[ 47.195849] task_work_run+0x63/0xa0
[ 47.195874] do_exit+0x2c1/0xba0
[ 47.195899] ? netlink_dump+0x336/0x450
[ 47.195927] do_group_exit+0x2d/0xc0
[ 47.195949] get_signal+0x82e/0x900
[ 47.195973] arch_do_signal_or_restart+0x77/0x2b0
[ 47.196009] exit_to_user_mode_loop+0x75/0x4a0
[ 47.196042] do_syscall_64+0x439/0xfc0
[ 47.196067] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.196101] RIP: 0033:0x4c2d9e
[ 47.196123] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.196161] RSP: 002b:00007ffec78a7370 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.196203] RAX: 0000000000000050 RBX: 00007ffec78a7400 RCX: 00000000004c2d9e
[ 47.196248] RDX: 0000000000000000 RSI: 00007ffec78a7410 RDI: 0000000000000007
[ 47.196287] RBP: 00007ffec78a7380 R08: 0000000000000000 R09: 0000000000000000
[ 47.196328] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec78a73f4
[ 47.196372] R13: 00007ffec78a7f98 R14: 00007ffec78a7540 R15: 0000000000543540
[ 47.196413]
[ 47.196428] ---[ end trace 0000000000000000 ]---
[ 47.196525] ------------[ cut here ]------------
[ 47.196555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/159
[ 47.196621] Modules linked in:
[ 47.196646] CPU: 3 UID: 0 PID: 159 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.196709] Tainted: [W]=WARN
[ 47.196731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.196768] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.196801] 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
[ 47.196890] RSP: 0018:ff762bc640263bc8 EFLAGS: 00010286
[ 47.196917] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.196958] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e342e1dc00
[ 47.197003] RBP: 0000000000000000 R08: ff2e33e342e6b850 R09: ff2e33e34328a830
[ 47.197047] R10: ff2e33e344e94118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.197089] R13: 0000000000000011 R14: ff2e33e344e94000 R15: ff2e33e342e1dc00
[ 47.197127] FS: 0000000000000000(0000) GS:ff2e33e3f6816000(0000) knlGS:0000000000000000
[ 47.197169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.197198] CR2: 00007f115c5c9000 CR3: 0000000004e3d005 CR4: 0000000000771ef0
[ 47.197242] PKRU: 55555554
[ 47.197257] Call Trace:
[ 47.197271]
[ 47.197286] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.197314] unregister_netdevice_queue+0x9e/0xd0
[ 47.197340] __tun_detach+0x591/0x5b0
[ 47.197363] tun_chr_close+0x3f/0xc0
[ 47.197385] __fput+0xe8/0x2c0
[ 47.197409] task_work_run+0x63/0xa0
[ 47.197430] do_exit+0x2c1/0xba0
[ 47.197452] ? netlink_dump+0x336/0x450
[ 47.197481] do_group_exit+0x2d/0xc0
[ 47.197504] get_signal+0x82e/0x900
[ 47.197526] arch_do_signal_or_restart+0x77/0x2b0
[ 47.197556] exit_to_user_mode_loop+0x75/0x4a0
[ 47.197583] do_syscall_64+0x439/0xfc0
[ 47.197612] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.197642] RIP: 0033:0x4c2d9e
[ 47.197662] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.197700] RSP: 002b:00007ffec78a7370 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.197742] RAX: 0000000000000050 RBX: 00007ffec78a7400 RCX: 00000000004c2d9e
[ 47.197782] RDX: 0000000000000000 RSI: 00007ffec78a7410 RDI: 0000000000000007
[ 47.197824] RBP: 00007ffec78a7380 R08: 0000000000000000 R09: 0000000000000000
[ 47.197869] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec78a73f4
[ 47.197918] R13: 00007ffec78a7f98 R14: 00007ffec78a7540 R15: 0000000000543540
[ 47.197955]
[ 47.197970] ---[ end trace 0000000000000000 ]---
[ 47.207579] ------------[ cut here ]------------
[ 47.207645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[ 47.207712] Modules linked in:
[ 47.207738] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.207807] Tainted: [W]=WARN
[ 47.207831] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.207870] Workqueue: netns cleanup_net
[ 47.207896] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.207928] 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
[ 47.208034] RSP: 0018:ff762bc640067c78 EFLAGS: 00010286
[ 47.208066] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.208108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2e33e342e16f00
[ 47.208151] RBP: 0000000000000000 R08: ff2e33e342e52d10 R09: ff2e33e341de302c
[ 47.208195] R10: ff2e33e344c5d118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.208239] R13: 0000000000000011 R14: ff2e33e344c5d000 R15: ff2e33e342e16f00
[ 47.208283] FS: 0000000000000000(0000) GS:ff2e33e3f6696000(0000) knlGS:0000000000000000
[ 47.208331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.208366] CR2: 00007f8c43ceff98 CR3: 000000003ba42002 CR4: 0000000000771ef0
[ 47.208407] PKRU: 55555554
[ 47.208420] Call Trace:
[ 47.208439]
[ 47.208456] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.208488] default_device_exit_batch+0x318/0x390
[ 47.208517] ops_undo_list+0x10b/0x240
[ 47.208541] cleanup_net+0x1d7/0x2e0
[ 47.208565] process_one_work+0x162/0x360
[ 47.208587] worker_thread+0x16e/0x2d0
[ 47.208617] ? rescuer_thread+0x510/0x510
[ 47.208640] kthread+0xe1/0x120
[ 47.208666] ? kthread_park+0xa0/0xa0
[ 47.208684] ret_from_fork+0x16d/0x250
[ 47.208707] ? kthread_park+0xa0/0xa0
[ 47.208729] ret_from_fork_asm+0x11/0x20
[ 47.208752]
[ 47.208766] ---[ end trace 0000000000000000 ]---