[ 411.452988] ------------[ cut here ]------------
[ 411.453043] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/558
[ 411.453100] Modules linked in:
[ 411.453126] CPU: 3 UID: 0 PID: 558 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 411.453182] Tainted: [W]=WARN
[ 411.453203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 411.453237] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 411.453262] 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
[ 411.453367] RSP: 0018:ff71f0c3808f7cc8 EFLAGS: 00010286
[ 411.453398] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 411.453439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 411.453487] RBP: 0000000000000000 R08: ff232310844c0390 R09: ff23231086cef02c
[ 411.453528] R10: ff232310819bb118 R11: fefefefefefefeff R12: 0000000000000000
[ 411.453571] R13: 0000000000000010 R14: ff232310819bb000 R15: ff23231081842100
[ 411.453615] FS: 00007f5e2ab9c740(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 411.453656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 411.453695] CR2: 000055837c1c8008 CR3: 0000000001828003 CR4: 0000000000771ef0
[ 411.453739] PKRU: 55555554
[ 411.453751] Call Trace:
[ 411.453769]
[ 411.453783] rtmsg_ifinfo+0x3c/0xa0
[ 411.453806] register_netdevice+0x889/0x9f0
[ 411.453829] register_netdev+0x1e/0x30
[ 411.453849] loopback_net_init+0x57/0xb0
[ 411.453872] ? vsock_sysctl_init_net+0xb6/0x140
[ 411.453905] ops_init+0x68/0x140
[ 411.453928] setup_net+0x85/0x150
[ 411.453950] copy_net_ns+0xf5/0x200
[ 411.453973] create_new_namespaces+0x117/0x2f0
[ 411.454005] unshare_nsproxy_namespaces+0x85/0xb0
[ 411.454035] ksys_unshare+0x346/0x5e0
[ 411.454055] __x64_sys_unshare+0x12/0x20
[ 411.454079] do_syscall_64+0x104/0xfc0
[ 411.454103] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 411.454134] RIP: 0033:0x7f5e2ac97bcb
[ 411.454156] 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
[ 411.454252] RSP: 002b:00007ffe014ae4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 411.454298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e2ac97bcb
[ 411.454341] RDX: 0000000000000000 RSI: 00007ffe014ae210 RDI: 0000000040000000
[ 411.454382] RBP: 00007ffe014ae830 R08: 00007ffe014ae400 R09: 0000000000000000
[ 411.454422] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 411.454463] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055836eb8ab68
[ 411.454510]
[ 411.454525] ---[ end trace 0000000000000000 ]---
[ 411.455149] ------------[ cut here ]------------
[ 411.455181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/558
[ 411.455235] Modules linked in:
[ 411.455256] CPU: 3 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 411.455321] Tainted: [W]=WARN
[ 411.455340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 411.455375] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 411.455402] 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
[ 411.455498] RSP: 0018:ff71f0c3808f7d68 EFLAGS: 00010286
[ 411.455526] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 411.455572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 411.455616] RBP: 0000000000000000 R08: ff232310831e4010 R09: ff23231082062030
[ 411.455660] R10: ff232310832b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 411.455703] R13: 0000000000000010 R14: ff232310832b8000 R15: ff23231081842100
[ 411.455752] FS: 0000000021e2f400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 411.455798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 411.455837] CR2: 00007f5b393d2000 CR3: 0000000004500004 CR4: 0000000000771ef0
[ 411.455882] PKRU: 55555554
[ 411.455896] Call Trace:
[ 411.455910]
[ 411.455925] rtmsg_ifinfo+0x3c/0xa0
[ 411.455946] register_netdevice+0x889/0x9f0
[ 411.455966] __tun_chr_ioctl+0x83c/0x16c0
[ 411.455988] ? do_sys_openat2+0x9a/0xe0
[ 411.456012] __x64_sys_ioctl+0xa1/0xe0
[ 411.456037] do_syscall_64+0x104/0xfc0
[ 411.456060] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 411.456088] RIP: 0033:0x47cc8d
[ 411.456107] 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
[ 411.456206] RSP: 002b:00007ffdf1b81290 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 411.456250] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 411.456296] RDX: 00007ffdf1b81310 RSI: 00000000400454ca RDI: 0000000000000005
[ 411.456337] RBP: 00007ffdf1b812e0 R08: 0000000000000000 R09: 0000000000000000
[ 411.456384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf1b817e8
[ 411.456424] R13: 00007ffdf1b81868 R14: 0000000000000002 R15: 0000000000543540
[ 411.456468]
[ 411.456484] ---[ end trace 0000000000000000 ]---
[ 411.456525] ------------[ cut here ]------------
[ 411.456553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/558
[ 411.456602] Modules linked in:
[ 411.456623] CPU: 3 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 411.456679] Tainted: [W]=WARN
[ 411.456706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 411.456740] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 411.456769] 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
[ 411.456865] RSP: 0018:ff71f0c3808f7d60 EFLAGS: 00010286
[ 411.456890] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 411.456931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 411.456974] RBP: 0000000000000002 R08: ff232310831e4010 R09: ff23231082062030
[ 411.457023] R10: ff232310832b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 411.457063] R13: 0000000000000010 R14: ff232310832b8000 R15: ff23231081842100
[ 411.457104] FS: 0000000021e2f400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 411.457155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 411.457192] CR2: 00007f5b393d2000 CR3: 0000000004500004 CR4: 0000000000771ef0
[ 411.457234] PKRU: 55555554
[ 411.457250] Call Trace:
[ 411.457263]
[ 411.457277] rtnetlink_event+0x6e/0xb0
[ 411.457300] notifier_call_chain+0x6d/0x100
[ 411.457325] netdev_update_features+0x56/0x60
[ 411.457355] __tun_chr_ioctl+0xbf1/0x16c0
[ 411.457378] ? file_init_path+0x62/0x120
[ 411.457401] __x64_sys_ioctl+0xa1/0xe0
[ 411.457422] do_syscall_64+0x104/0xfc0
[ 411.457443] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 411.457472] RIP: 0033:0x47cc8d
[ 411.457491] 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
[ 411.457586] RSP: 002b:00007ffdf1b812d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 411.457630] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 411.457671] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 411.457711] RBP: 00007ffdf1b81320 R08: 0000000000000005 R09: 0000000000001ff0
[ 411.457754] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffdf1b817e8
[ 411.457798] R13: 00007ffdf1b81868 R14: 0000000000000002 R15: 0000000000543540
[ 411.457841]
[ 411.457854] ---[ end trace 0000000000000000 ]---
[ 411.457898] ------------[ cut here ]------------
[ 411.457928] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/558
[ 411.457974] Modules linked in:
[ 411.458000] CPU: 3 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 411.458058] Tainted: [W]=WARN
[ 411.458081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 411.458115] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 411.458144] 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
[ 411.458245] RSP: 0018:ff71f0c3808f7c10 EFLAGS: 00010286
[ 411.458279] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 411.458326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 411.458369] RBP: 0000000000000000 R08: ff232310831e4010 R09: ff23231082061030
[ 411.458410] R10: ff232310832b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 411.458452] R13: 0000000000000010 R14: ff232310832b8000 R15: ff23231081842100
[ 411.458497] FS: 0000000021e2f400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 411.458542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 411.458577] CR2: 00007f5b393d2000 CR3: 0000000004500004 CR4: 0000000000771ef0
[ 411.458617] PKRU: 55555554
[ 411.458635] Call Trace:
[ 411.458650]
[ 411.458664] rtmsg_ifinfo+0x3c/0xa0
[ 411.458684] __dev_notify_flags+0xb1/0xf0
[ 411.458712] netif_change_flags+0x54/0x70
[ 411.458732] dev_change_flags+0x45/0x80
[ 411.458755] devinet_ioctl+0x607/0x7f0
[ 411.458777] inet_ioctl+0x229/0x240
[ 411.458796] ? __rtnl_unlock+0x35/0x60
[ 411.458817] sock_do_ioctl+0x75/0x140
[ 411.458842] __x64_sys_ioctl+0xa1/0xe0
[ 411.458862] do_syscall_64+0x104/0xfc0
[ 411.458884] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 411.458911] RIP: 0033:0x47cc8d
[ 411.458930] 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
[ 411.459025] RSP: 002b:00007ffdf1b812b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 411.459065] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 411.459105] RDX: 00007ffdf1b81320 RSI: 0000000000008914 RDI: 0000000000000006
[ 411.459146] RBP: 00007ffdf1b81300 R08: 0000000000000005 R09: 0000000000001ff0
[ 411.459187] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffdf1b817e8
[ 411.459229] R13: 00007ffdf1b81868 R14: 0000000000000002 R15: 0000000000543540
[ 411.459270]
[ 411.459284] ---[ end trace 0000000000000000 ]---
[ 456.439318] ------------[ cut here ]------------
[ 456.439380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/558
[ 456.439449] Modules linked in:
[ 456.439480] CPU: 3 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 456.439548] Tainted: [W]=WARN
[ 456.439568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.439599] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 456.439630] 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
[ 456.439719] RSP: 0018:ff71f0c3808f7b58 EFLAGS: 00010286
[ 456.439743] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 456.439777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314ed00
[ 456.439824] RBP: 0000000000000000 R08: ff232310831e4010 R09: ff23231082061030
[ 456.439870] R10: ff232310832b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 456.439911] R13: 0000000000000010 R14: ff232310832b8000 R15: ff2323108314ed00
[ 456.439962] FS: 0000000000000000(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 456.440009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 456.440046] CR2: 00007f5b393d2000 CR3: 0000000020c42001 CR4: 0000000000771ef0
[ 456.440105] PKRU: 55555554
[ 456.440119] Call Trace:
[ 456.440137]
[ 456.440154] rtmsg_ifinfo+0x3c/0xa0
[ 456.440179] netif_close_many+0xed/0x190
[ 456.440205] unregister_netdevice_many_notify+0x267/0x9d0
[ 456.440234] ? __queue_work+0x141/0x550
[ 456.440261] unregister_netdevice_queue+0x9e/0xd0
[ 456.440295] __tun_detach+0x591/0x5b0
[ 456.440320] tun_chr_close+0x3f/0xc0
[ 456.440341] __fput+0xe8/0x2c0
[ 456.440371] task_work_run+0x63/0xa0
[ 456.440398] do_exit+0x2c1/0xba0
[ 456.440422] do_group_exit+0x2d/0xc0
[ 456.440450] ? __sys_sendto+0x194/0x220
[ 456.440472] get_signal+0x82e/0x900
[ 456.440497] arch_do_signal_or_restart+0x77/0x2b0
[ 456.440530] exit_to_user_mode_loop+0x75/0x4a0
[ 456.440565] do_syscall_64+0x439/0xfc0
[ 456.440589] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 456.440622] RIP: 0033:0x4c2d9e
[ 456.440644] Code: Unable to access opcode bytes at 0x4c2d74.
[ 456.440682] RSP: 002b:00007ffdf1b80c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 456.440726] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 456.440768] RDX: 0000000000000014 RSI: 00007ffdf1b80d20 RDI: 0000000000000007
[ 456.440811] RBP: 00007ffdf1b80c50 R08: 00007ffdf1b80ce0 R09: 000000000000000c
[ 456.440851] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021e39420
[ 456.440892] R13: 00007ffdf1b81868 R14: 00007ffdf1b80e10 R15: 0000000000543540
[ 456.440934]
[ 456.440949] ---[ end trace 0000000000000000 ]---
[ 456.441225] ------------[ cut here ]------------
[ 456.441256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/558
[ 456.441308] Modules linked in:
[ 456.441329] CPU: 3 UID: 0 PID: 558 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 456.441388] Tainted: [W]=WARN
[ 456.441412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.441450] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 456.441478] 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
[ 456.441586] RSP: 0018:ff71f0c3808f7bc8 EFLAGS: 00010286
[ 456.441609] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 456.441648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314ed00
[ 456.441691] RBP: 0000000000000000 R08: ff232310831e4010 R09: ff2323108620f830
[ 456.441733] R10: ff232310832b8118 R11: fefefefefefefeff R12: 0000000000000000
[ 456.441770] R13: 0000000000000011 R14: ff232310832b8000 R15: ff2323108314ed00
[ 456.441813] FS: 0000000000000000(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 456.441857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 456.441890] CR2: 00007fcf15d64f98 CR3: 0000000020c42001 CR4: 0000000000771ef0
[ 456.441933] PKRU: 55555554
[ 456.441946] Call Trace:
[ 456.441957]
[ 456.441973] unregister_netdevice_many_notify+0x877/0x9d0
[ 456.442000] unregister_netdevice_queue+0x9e/0xd0
[ 456.442030] __tun_detach+0x591/0x5b0
[ 456.442052] tun_chr_close+0x3f/0xc0
[ 456.442076] __fput+0xe8/0x2c0
[ 456.442100] task_work_run+0x63/0xa0
[ 456.442122] do_exit+0x2c1/0xba0
[ 456.442145] do_group_exit+0x2d/0xc0
[ 456.442166] ? __sys_sendto+0x194/0x220
[ 456.442186] get_signal+0x82e/0x900
[ 456.442207] arch_do_signal_or_restart+0x77/0x2b0
[ 456.442237] exit_to_user_mode_loop+0x75/0x4a0
[ 456.442266] do_syscall_64+0x439/0xfc0
[ 456.442289] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 456.442318] RIP: 0033:0x4c2d9e
[ 456.442338] Code: Unable to access opcode bytes at 0x4c2d74.
[ 456.442375] RSP: 002b:00007ffdf1b80c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 456.442415] RAX: 0000000000000014 RBX: 0000000000000016 RCX: 00000000004c2d9e
[ 456.442460] RDX: 0000000000000014 RSI: 00007ffdf1b80d20 RDI: 0000000000000007
[ 456.442510] RBP: 00007ffdf1b80c50 R08: 00007ffdf1b80ce0 R09: 000000000000000c
[ 456.442552] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021e39420
[ 456.442593] R13: 00007ffdf1b81868 R14: 00007ffdf1b80e10 R15: 0000000000543540
[ 456.442633]
[ 456.442648] ---[ end trace 0000000000000000 ]---
[ 456.450191] ------------[ cut here ]------------
[ 456.450229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:0/12
[ 456.450298] Modules linked in:
[ 456.450323] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 456.450376] Tainted: [W]=WARN
[ 456.450397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 456.450439] Workqueue: netns cleanup_net
[ 456.450467] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 456.450500] 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
[ 456.450589] RSP: 0018:ff71f0c380067c78 EFLAGS: 00010286
[ 456.450617] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 456.450662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108314ec00
[ 456.450704] RBP: 0000000000000000 R08: ff232310844c0390 R09: ff2323108651082c
[ 456.450744] R10: ff232310819bb118 R11: fefefefefefefeff R12: 0000000000000000
[ 456.450783] R13: 0000000000000011 R14: ff232310819bb000 R15: ff2323108314ec00
[ 456.450830] FS: 0000000000000000(0000) GS:ff23231129716000(0000) knlGS:0000000000000000
[ 456.450876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 456.450911] CR2: 00007fcf15bbf770 CR3: 0000000020c42005 CR4: 0000000000771ef0
[ 456.450951] PKRU: 55555554
[ 456.450964] Call Trace:
[ 456.450976]
[ 456.450991] unregister_netdevice_many_notify+0x877/0x9d0
[ 456.451029] default_device_exit_batch+0x318/0x390
[ 456.451059] ops_undo_list+0x10b/0x240
[ 456.451081] cleanup_net+0x1d7/0x2e0
[ 456.451107] process_one_work+0x162/0x360
[ 456.451130] worker_thread+0x16e/0x2d0
[ 456.451153] ? rescuer_thread+0x510/0x510
[ 456.451176] kthread+0xe1/0x120
[ 456.451201] ? kthread_park+0xa0/0xa0
[ 456.451224] ret_from_fork+0x16d/0x250
[ 456.451248] ? kthread_park+0xa0/0xa0
[ 456.451269] ret_from_fork_asm+0x11/0x20
[ 456.451292]
[ 456.451307] ---[ end trace 0000000000000000 ]---