[ 93.060320] ------------[ cut here ]------------
[ 93.060373] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/248
[ 93.060427] Modules linked in:
[ 93.060450] CPU: 0 UID: 0 PID: 248 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.060510] Tainted: [W]=WARN
[ 93.060531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.060565] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.060595] 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
[ 93.060694] RSP: 0018:ff5c9d16404c7cc8 EFLAGS: 00010286
[ 93.060720] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.060770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0600
[ 93.060819] RBP: 0000000000000000 R08: ff135f8983145750 R09: ff135f898499c02c
[ 93.060864] R10: ff135f898499d118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.060907] R13: 0000000000000010 R14: ff135f898499d000 R15: ff135f89818d0600
[ 93.060952] FS: 00007fb0145ac740(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 93.060995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.061026] CR2: 000055b3461f0008 CR3: 00000000079da006 CR4: 0000000000771ef0
[ 93.061070] PKRU: 55555554
[ 93.061085] Call Trace:
[ 93.061100]
[ 93.061112] rtmsg_ifinfo+0x3c/0xa0
[ 93.061134] register_netdevice+0x889/0x9f0
[ 93.061154] register_netdev+0x1e/0x30
[ 93.061175] loopback_net_init+0x57/0xb0
[ 93.061199] ? vsock_sysctl_init_net+0xb6/0x140
[ 93.061234] ops_init+0x68/0x140
[ 93.061256] setup_net+0x85/0x150
[ 93.061276] copy_net_ns+0xf5/0x200
[ 93.061297] create_new_namespaces+0x117/0x2f0
[ 93.061324] unshare_nsproxy_namespaces+0x85/0xb0
[ 93.061350] ksys_unshare+0x346/0x5e0
[ 93.061370] __x64_sys_unshare+0x12/0x20
[ 93.061393] do_syscall_64+0x104/0xfc0
[ 93.061414] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.061444] RIP: 0033:0x7fb0146a7bcb
[ 93.061463] 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
[ 93.061554] RSP: 002b:00007ffff5330418 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 93.061601] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0146a7bcb
[ 93.061642] RDX: 0000000000000000 RSI: 00007ffff5330180 RDI: 0000000040000000
[ 93.061682] RBP: 00007ffff53307a0 R08: 00007ffff5330370 R09: 0000000000000000
[ 93.061724] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 93.061769] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055b315c30b68
[ 93.061811]
[ 93.061824] ---[ end trace 0000000000000000 ]---
[ 93.062411] ------------[ cut here ]------------
[ 93.062440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/248
[ 93.062494] Modules linked in:
[ 93.062516] CPU: 0 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.062571] Tainted: [W]=WARN
[ 93.062590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.062624] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.062652] 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
[ 93.062743] RSP: 0018:ff5c9d16404c7d68 EFLAGS: 00010286
[ 93.062776] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 93.062815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0600
[ 93.062855] RBP: 0000000000000000 R08: ff135f8983145410 R09: ff135f8982990030
[ 93.062896] R10: ff135f8982ddc118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.062936] R13: 0000000000000010 R14: ff135f8982ddc000 R15: ff135f89818d0600
[ 93.062980] FS: 000000001ff99400(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 93.063024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.063057] CR2: 00007fa500576000 CR3: 0000000003338001 CR4: 0000000000771ef0
[ 93.063096] PKRU: 55555554
[ 93.063110] Call Trace:
[ 93.063123]
[ 93.063135] rtmsg_ifinfo+0x3c/0xa0
[ 93.063157] register_netdevice+0x889/0x9f0
[ 93.063177] __tun_chr_ioctl+0x83c/0x16c0
[ 93.063205] ? do_sys_openat2+0x9a/0xe0
[ 93.063228] __x64_sys_ioctl+0xa1/0xe0
[ 93.063260] do_syscall_64+0x104/0xfc0
[ 93.063281] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.063312] RIP: 0033:0x47cc8d
[ 93.063332] 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
[ 93.063425] RSP: 002b:00007fff84a69240 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.063464] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.063505] RDX: 00007fff84a692c0 RSI: 00000000400454ca RDI: 0000000000000005
[ 93.063547] RBP: 00007fff84a69290 R08: 0000000000000000 R09: 0000000000000000
[ 93.063587] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff84a69798
[ 93.063634] R13: 00007fff84a69818 R14: 0000000000000002 R15: 0000000000543540
[ 93.063674]
[ 93.063688] ---[ end trace 0000000000000000 ]---
[ 93.063728] ------------[ cut here ]------------
[ 93.063764] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/248
[ 93.063818] Modules linked in:
[ 93.063840] CPU: 0 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.063894] Tainted: [W]=WARN
[ 93.063914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.063945] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.063974] 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
[ 93.064067] RSP: 0018:ff5c9d16404c7d60 EFLAGS: 00010286
[ 93.064095] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 93.064137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0600
[ 93.064181] RBP: 0000000000000002 R08: ff135f8983145410 R09: ff135f8982990030
[ 93.064222] R10: ff135f8982ddc118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.064265] R13: 0000000000000010 R14: ff135f8982ddc000 R15: ff135f89818d0600
[ 93.064306] FS: 000000001ff99400(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 93.064346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.064378] CR2: 00007fa500576000 CR3: 0000000003338001 CR4: 0000000000771ef0
[ 93.064423] PKRU: 55555554
[ 93.064436] Call Trace:
[ 93.064450]
[ 93.064463] rtnetlink_event+0x6e/0xb0
[ 93.064484] notifier_call_chain+0x6d/0x100
[ 93.064511] netdev_update_features+0x56/0x60
[ 93.064537] __tun_chr_ioctl+0xbf1/0x16c0
[ 93.064555] ? file_init_path+0x62/0x120
[ 93.064575] __x64_sys_ioctl+0xa1/0xe0
[ 93.064596] do_syscall_64+0x104/0xfc0
[ 93.064617] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.064644] RIP: 0033:0x47cc8d
[ 93.064663] 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
[ 93.064764] RSP: 002b:00007fff84a69280 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.064803] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.064840] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 93.064880] RBP: 00007fff84a692d0 R08: 0000000000000000 R09: 0000000000000000
[ 93.064926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff84a69798
[ 93.064964] R13: 00007fff84a69818 R14: 0000000000000002 R15: 0000000000543540
[ 93.065001]
[ 93.065015] ---[ end trace 0000000000000000 ]---
[ 93.065054] ------------[ cut here ]------------
[ 93.065083] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/248
[ 93.065133] Modules linked in:
[ 93.065153] CPU: 0 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 93.065219] Tainted: [W]=WARN
[ 93.065239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.065272] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 93.065298] 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
[ 93.065390] RSP: 0018:ff5c9d16404c7c10 EFLAGS: 00010286
[ 93.065419] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 93.065460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0600
[ 93.065505] RBP: 0000000000000000 R08: ff135f8983145410 R09: ff135f8982d96030
[ 93.065544] R10: ff135f8982ddc118 R11: fefefefefefefeff R12: 0000000000000000
[ 93.065585] R13: 0000000000000010 R14: ff135f8982ddc000 R15: ff135f89818d0600
[ 93.065628] FS: 000000001ff99400(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 93.065673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.065706] CR2: 00007fa500576000 CR3: 0000000003338001 CR4: 0000000000771ef0
[ 93.065747] PKRU: 55555554
[ 93.065763] Call Trace:
[ 93.065777]
[ 93.065790] rtmsg_ifinfo+0x3c/0xa0
[ 93.065809] __dev_notify_flags+0xb1/0xf0
[ 93.065837] netif_change_flags+0x54/0x70
[ 93.065863] dev_change_flags+0x45/0x80
[ 93.065885] devinet_ioctl+0x607/0x7f0
[ 93.065908] inet_ioctl+0x229/0x240
[ 93.065929] ? __rtnl_unlock+0x35/0x60
[ 93.065951] sock_do_ioctl+0x75/0x140
[ 93.065974] __x64_sys_ioctl+0xa1/0xe0
[ 93.065997] do_syscall_64+0x104/0xfc0
[ 93.066018] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.066046] RIP: 0033:0x47cc8d
[ 93.066067] 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
[ 93.066157] RSP: 002b:00007fff84a69260 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 93.066199] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 93.066239] RDX: 00007fff84a692d0 RSI: 0000000000008914 RDI: 0000000000000006
[ 93.066284] RBP: 00007fff84a692b0 R08: 0000000000000000 R09: 0000000000000000
[ 93.066323] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff84a69798
[ 93.066359] R13: 00007fff84a69818 R14: 0000000000000002 R15: 0000000000543540
[ 93.066400]
[ 93.066413] ---[ end trace 0000000000000000 ]---
[ 138.045760] ------------[ cut here ]------------
[ 138.045868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/248
[ 138.045933] Modules linked in:
[ 138.045962] CPU: 0 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.046023] Tainted: [W]=WARN
[ 138.046047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.046081] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.046112] 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
[ 138.046211] RSP: 0018:ff5c9d16404c7b58 EFLAGS: 00010286
[ 138.046248] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 138.046292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f898192b300
[ 138.046331] RBP: 0000000000000000 R08: ff135f8983145410 R09: ff135f8982d97030
[ 138.046377] R10: ff135f8982ddc118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.046421] R13: 0000000000000010 R14: ff135f8982ddc000 R15: ff135f898192b300
[ 138.046469] FS: 0000000000000000(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 138.046517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.046554] CR2: 00007fa500576000 CR3: 000000001d842003 CR4: 0000000000771ef0
[ 138.046598] PKRU: 55555554
[ 138.046614] Call Trace:
[ 138.046630]
[ 138.046645] rtmsg_ifinfo+0x3c/0xa0
[ 138.046675] netif_close_many+0xed/0x190
[ 138.046696] unregister_netdevice_many_notify+0x267/0x9d0
[ 138.046728] ? __queue_work+0x141/0x550
[ 138.046752] unregister_netdevice_queue+0x9e/0xd0
[ 138.046783] __tun_detach+0x591/0x5b0
[ 138.046808] tun_chr_close+0x3f/0xc0
[ 138.046829] __fput+0xe8/0x2c0
[ 138.046858] task_work_run+0x63/0xa0
[ 138.046884] do_exit+0x2c1/0xba0
[ 138.046915] ? netlink_unicast+0x273/0x3a0
[ 138.046942] do_group_exit+0x2d/0xc0
[ 138.046962] get_signal+0x82e/0x900
[ 138.046987] arch_do_signal_or_restart+0x77/0x2b0
[ 138.047022] exit_to_user_mode_loop+0x75/0x4a0
[ 138.047055] do_syscall_64+0x439/0xfc0
[ 138.047075] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.047107] RIP: 0033:0x4c2d9e
[ 138.047127] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.047157] RSP: 002b:00007fff84a68bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 138.047392] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 138.047439] RDX: 0000000000000014 RSI: 00007fff84a68cd0 RDI: 0000000000000007
[ 138.047480] RBP: 00007fff84a68c00 R08: 00007fff84a68c90 R09: 000000000000000c
[ 138.047519] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff84a69798
[ 138.047559] R13: 00007fff84a69818 R14: 00007fff84a68dc0 R15: 0000000000543540
[ 138.047598]
[ 138.047614] ---[ end trace 0000000000000000 ]---
[ 138.047703] ------------[ cut here ]------------
[ 138.047732] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/248
[ 138.047781] Modules linked in:
[ 138.047802] CPU: 0 UID: 0 PID: 248 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.047853] Tainted: [W]=WARN
[ 138.047882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.047915] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.047943] 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
[ 138.048040] RSP: 0018:ff5c9d16404c7bc8 EFLAGS: 00010286
[ 138.048069] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.048108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f898192b300
[ 138.048152] RBP: 0000000000000000 R08: ff135f8983145410 R09: ff135f8986529030
[ 138.048193] R10: ff135f8982ddc118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.048232] R13: 0000000000000011 R14: ff135f8982ddc000 R15: ff135f898192b300
[ 138.048281] FS: 0000000000000000(0000) GS:ff135f8a2cc96000(0000) knlGS:0000000000000000
[ 138.048324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.048359] CR2: 00007fa500576000 CR3: 000000001d842003 CR4: 0000000000771ef0
[ 138.048399] PKRU: 55555554
[ 138.048414] Call Trace:
[ 138.048429]
[ 138.048441] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.048469] unregister_netdevice_queue+0x9e/0xd0
[ 138.048495] __tun_detach+0x591/0x5b0
[ 138.048515] tun_chr_close+0x3f/0xc0
[ 138.048535] __fput+0xe8/0x2c0
[ 138.048557] task_work_run+0x63/0xa0
[ 138.048575] do_exit+0x2c1/0xba0
[ 138.048595] ? netlink_unicast+0x273/0x3a0
[ 138.048616] do_group_exit+0x2d/0xc0
[ 138.048636] get_signal+0x82e/0x900
[ 138.048658] arch_do_signal_or_restart+0x77/0x2b0
[ 138.048687] exit_to_user_mode_loop+0x75/0x4a0
[ 138.048717] do_syscall_64+0x439/0xfc0
[ 138.048741] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 138.048767] RIP: 0033:0x4c2d9e
[ 138.048788] Code: Unable to access opcode bytes at 0x4c2d74.
[ 138.048822] RSP: 002b:00007fff84a68bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 138.048864] RAX: 0000000000000014 RBX: 0000000000000012 RCX: 00000000004c2d9e
[ 138.048901] RDX: 0000000000000014 RSI: 00007fff84a68cd0 RDI: 0000000000000007
[ 138.048946] RBP: 00007fff84a68c00 R08: 00007fff84a68c90 R09: 000000000000000c
[ 138.048991] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff84a69798
[ 138.049033] R13: 00007fff84a69818 R14: 00007fff84a68dc0 R15: 0000000000543540
[ 138.049080]
[ 138.049096] ---[ end trace 0000000000000000 ]---
[ 138.053327] ------------[ cut here ]------------
[ 138.053370] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[ 138.053434] Modules linked in:
[ 138.053454] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 138.053513] Tainted: [W]=WARN
[ 138.053535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 138.053574] Workqueue: netns cleanup_net
[ 138.053598] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 138.053626] 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
[ 138.053720] RSP: 0018:ff5c9d164023fc78 EFLAGS: 00010286
[ 138.053748] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 138.053789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff135f89818d0300
[ 138.053829] RBP: 0000000000000000 R08: ff135f8983145750 R09: ff135f898652582c
[ 138.053869] R10: ff135f898499d118 R11: fefefefefefefeff R12: 0000000000000000
[ 138.053914] R13: 0000000000000011 R14: ff135f898499d000 R15: ff135f89818d0300
[ 138.053957] FS: 0000000000000000(0000) GS:ff135f8a2cd16000(0000) knlGS:0000000000000000
[ 138.053992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 138.054028] CR2: 00005555854a6340 CR3: 0000000002f42001 CR4: 0000000000771ef0
[ 138.054068] PKRU: 55555554
[ 138.054083] Call Trace:
[ 138.054097]
[ 138.054112] unregister_netdevice_many_notify+0x877/0x9d0
[ 138.054141] default_device_exit_batch+0x318/0x390
[ 138.054169] ops_undo_list+0x10b/0x240
[ 138.054198] cleanup_net+0x1d7/0x2e0
[ 138.054221] process_one_work+0x162/0x360
[ 138.054249] worker_thread+0x16e/0x2d0
[ 138.054271] ? rescuer_thread+0x510/0x510
[ 138.054293] kthread+0xe1/0x120
[ 138.054316] ? kthread_park+0xa0/0xa0
[ 138.054337] ret_from_fork+0x16d/0x250
[ 138.054359] ? kthread_park+0xa0/0xa0
[ 138.054383] ret_from_fork_asm+0x11/0x20
[ 138.054405]
[ 138.054420] ---[ end trace 0000000000000000 ]---