[ 2.266231] ------------[ cut here ]------------
[ 2.266267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: unshare/160
[ 2.266373] Modules linked in:
[ 2.266424] CPU: 2 UID: 0 PID: 160 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.266495] Tainted: [W]=WARN
[ 2.266545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.266606] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.266659] 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
[ 2.266748] RSP: 0018:ff75203440283cc8 EFLAGS: 00010286
[ 2.266801] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.266862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff42986903115300
[ 2.266921] RBP: 0000000000000000 R08: ff429869030f2850 R09: ff429869032d202c
[ 2.266981] R10: ff429869019b5118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.267048] R13: 0000000000000010 R14: ff429869019b5000 R15: ff42986903115300
[ 2.267123] FS: 00007f503c6b0740(0000) GS:ff429869bbd96000(0000) knlGS:0000000000000000
[ 2.267186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.267241] CR2: 0000564699b55310 CR3: 0000000004841006 CR4: 0000000000771ef0
[ 2.267339] PKRU: 55555554
[ 2.267385] Call Trace:
[ 2.267435]
[ 2.267486] rtmsg_ifinfo+0x3c/0xa0
[ 2.267540] register_netdevice+0x889/0x9f0
[ 2.267621] register_netdev+0x1e/0x30
[ 2.267673] loopback_net_init+0x57/0xb0
[ 2.267727] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.267785] ops_init+0x68/0x140
[ 2.267871] setup_net+0x85/0x150
[ 2.267951] copy_net_ns+0xf5/0x200
[ 2.268012] create_new_namespaces+0x117/0x2f0
[ 2.268068] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.268162] ksys_unshare+0x346/0x5e0
[ 2.268215] __x64_sys_unshare+0x12/0x20
[ 2.268265] do_syscall_64+0x104/0xfc0
[ 2.268317] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.268371] RIP: 0033:0x7f503c7abbcb
[ 2.268424] 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
[ 2.268510] RSP: 002b:00007ffd51219fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 2.268583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f503c7abbcb
[ 2.268643] RDX: 0000000000000000 RSI: 00007ffd51219d50 RDI: 0000000040000000
[ 2.268702] RBP: 00007ffd5121a370 R08: 00007ffd51219f40 R09: 0000000000000000
[ 2.268760] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 2.268819] R13: 0000000000000000 R14: 00000000ffffffff R15: 0000564699b58b68
[ 2.268879]
[ 2.268923] ---[ end trace 0000000000000000 ]---
[ 2.272957] ------------[ cut here ]------------
[ 2.272989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/160
[ 2.273031] Modules linked in:
[ 2.273046] CPU: 3 UID: 0 PID: 160 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.273094] Tainted: [W]=WARN
[ 2.273111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.273137] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.273155] 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
[ 2.273221] RSP: 0018:ff75203440283d68 EFLAGS: 00010286
[ 2.273238] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.273265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4298690182ca00
[ 2.273290] RBP: 0000000000000000 R08: ff4298690327d150 R09: ff42986901e78030
[ 2.273314] R10: ff4298690487c118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.273345] R13: 0000000000000010 R14: ff4298690487c000 R15: ff4298690182ca00
[ 2.273376] FS: 0000000006177400(0000) GS:ff429869bbe16000(0000) knlGS:0000000000000000
[ 2.273409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.273432] CR2: 00007f6251efc000 CR3: 00000000048fb003 CR4: 0000000000771ef0
[ 2.273456] PKRU: 55555554
[ 2.273464] Call Trace:
[ 2.273473]
[ 2.273483] rtmsg_ifinfo+0x3c/0xa0
[ 2.273501] register_netdevice+0x889/0x9f0
[ 2.273514] __tun_chr_ioctl+0x83c/0x16c0
[ 2.273530] ? do_sys_openat2+0x9a/0xe0
[ 2.273544] __x64_sys_ioctl+0xa1/0xe0
[ 2.273563] do_syscall_64+0x104/0xfc0
[ 2.273584] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.273604] RIP: 0033:0x47cc8d
[ 2.273617] 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
[ 2.273673] RSP: 002b:00007ffd5eb2c480 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.273703] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.273729] RDX: 00007ffd5eb2c500 RSI: 00000000400454ca RDI: 0000000000000005
[ 2.273756] RBP: 00007ffd5eb2c4d0 R08: 0000000000000000 R09: 0000000000000000
[ 2.273783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5eb2c9d8
[ 2.273807] R13: 00007ffd5eb2ca58 R14: 0000000000000002 R15: 0000000000543540
[ 2.273831]
[ 2.273840] ---[ end trace 0000000000000000 ]---
[ 2.273875] ------------[ cut here ]------------
[ 2.273895] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/160
[ 2.273928] Modules linked in:
[ 2.273941] CPU: 3 UID: 0 PID: 160 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.273974] Tainted: [W]=WARN
[ 2.273987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.274014] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.274031] 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
[ 2.274099] RSP: 0018:ff75203440283d60 EFLAGS: 00010286
[ 2.274117] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 2.274149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4298690182ca00
[ 2.274183] RBP: 0000000000000002 R08: ff4298690327d150 R09: ff42986901e78030
[ 2.274208] R10: ff4298690487c118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.274234] R13: 0000000000000010 R14: ff4298690487c000 R15: ff4298690182ca00
[ 2.274265] FS: 0000000006177400(0000) GS:ff429869bbe16000(0000) knlGS:0000000000000000
[ 2.274291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.274312] CR2: 00007f6251efc000 CR3: 00000000048fb003 CR4: 0000000000771ef0
[ 2.274339] PKRU: 55555554
[ 2.274349] Call Trace:
[ 2.274358]
[ 2.274367] rtnetlink_event+0x6e/0xb0
[ 2.274381] notifier_call_chain+0x6d/0x100
[ 2.274395] netdev_update_features+0x56/0x60
[ 2.274414] __tun_chr_ioctl+0xbf1/0x16c0
[ 2.274427] ? file_init_path+0x62/0x120
[ 2.274441] __x64_sys_ioctl+0xa1/0xe0
[ 2.274456] do_syscall_64+0x104/0xfc0
[ 2.274469] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.274487] RIP: 0033:0x47cc8d
[ 2.274500] 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
[ 2.274554] RSP: 002b:00007ffd5eb2c4c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.274578] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.274610] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 2.274636] RBP: 00007ffd5eb2c510 R08: 0000000000000004 R09: 00007ffd5eb2c490
[ 2.274660] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd5eb2c9d8
[ 2.274683] R13: 00007ffd5eb2ca58 R14: 0000000000000002 R15: 0000000000543540
[ 2.274713]
[ 2.274722] ---[ end trace 0000000000000000 ]---
[ 2.274757] ------------[ cut here ]------------
[ 2.274779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/160
[ 2.274810] Modules linked in:
[ 2.274827] CPU: 3 UID: 0 PID: 160 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.274865] Tainted: [W]=WARN
[ 2.274879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.274903] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.274923] 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
[ 2.274985] RSP: 0018:ff75203440283c10 EFLAGS: 00010286
[ 2.275012] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.275035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4298690182ca00
[ 2.275061] RBP: 0000000000000000 R08: ff4298690327d150 R09: ff429869032d5030
[ 2.275084] R10: ff4298690487c118 R11: fefefefefefefeff R12: 0000000000000000
[ 2.275110] R13: 0000000000000010 R14: ff4298690487c000 R15: ff4298690182ca00
[ 2.275137] FS: 0000000006177400(0000) GS:ff429869bbe16000(0000) knlGS:0000000000000000
[ 2.275164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.275184] CR2: 00007f6251efc000 CR3: 00000000048fb003 CR4: 0000000000771ef0
[ 2.275211] PKRU: 55555554
[ 2.275219] Call Trace:
[ 2.275227]
[ 2.275237] rtmsg_ifinfo+0x3c/0xa0
[ 2.275250] __dev_notify_flags+0xb1/0xf0
[ 2.275263] netif_change_flags+0x54/0x70
[ 2.275277] dev_change_flags+0x45/0x80
[ 2.275289] devinet_ioctl+0x607/0x7f0
[ 2.275304] inet_ioctl+0x229/0x240
[ 2.275318] ? __rtnl_unlock+0x35/0x60
[ 2.275331] sock_do_ioctl+0x75/0x140
[ 2.275348] __x64_sys_ioctl+0xa1/0xe0
[ 2.275362] do_syscall_64+0x104/0xfc0
[ 2.275376] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.275393] RIP: 0033:0x47cc8d
[ 2.275406] 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
[ 2.275461] RSP: 002b:00007ffd5eb2c4a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2.275485] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 2.275508] RDX: 00007ffd5eb2c510 RSI: 0000000000008914 RDI: 0000000000000006
[ 2.275531] RBP: 00007ffd5eb2c4f0 R08: 0000000000000004 R09: 00007ffd5eb2c510
[ 2.275561] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffd5eb2c9d8
[ 2.275587] R13: 00007ffd5eb2ca58 R14: 0000000000000002 R15: 0000000000543540
[ 2.275611]
[ 2.275620] ---[ end trace 0000000000000000 ]---
[ 47.247427] ------------[ cut here ]------------
[ 47.247485] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/160
[ 47.247519] Modules linked in:
[ 47.247535] CPU: 3 UID: 0 PID: 160 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.247573] Tainted: [W]=WARN
[ 47.247585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.247606] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.247625] 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
[ 47.247672] RSP: 0018:ff75203440283b58 EFLAGS: 00010286
[ 47.247689] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 47.247720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff42986903115000
[ 47.247743] RBP: 0000000000000000 R08: ff4298690327d150 R09: ff429869032d5030
[ 47.247767] R10: ff4298690487c118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.247787] R13: 0000000000000010 R14: ff4298690487c000 R15: ff42986903115000
[ 47.247812] FS: 0000000000000000(0000) GS:ff429869bbe16000(0000) knlGS:0000000000000000
[ 47.247836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.247855] CR2: 00007f6251efc000 CR3: 000000001d042004 CR4: 0000000000771ef0
[ 47.247880] PKRU: 55555554
[ 47.247888] Call Trace:
[ 47.247897]
[ 47.247909] rtmsg_ifinfo+0x3c/0xa0
[ 47.247921] netif_close_many+0xed/0x190
[ 47.247936] unregister_netdevice_many_notify+0x267/0x9d0
[ 47.247951] ? __queue_work+0x141/0x550
[ 47.247967] unregister_netdevice_queue+0x9e/0xd0
[ 47.247981] __tun_detach+0x591/0x5b0
[ 47.247999] tun_chr_close+0x3f/0xc0
[ 47.248010] __fput+0xe8/0x2c0
[ 47.248028] task_work_run+0x63/0xa0
[ 47.248042] do_exit+0x2c1/0xba0
[ 47.248058] ? netlink_recvmsg+0x18d/0x310
[ 47.248070] do_group_exit+0x2d/0xc0
[ 47.248082] get_signal+0x82e/0x900
[ 47.248098] arch_do_signal_or_restart+0x77/0x2b0
[ 47.248122] exit_to_user_mode_loop+0x75/0x4a0
[ 47.248143] do_syscall_64+0x439/0xfc0
[ 47.248157] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.248173] RIP: 0033:0x4c2d9e
[ 47.248186] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.248204] RSP: 002b:00007ffd5eb2be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.248225] RAX: 0000000000000014 RBX: 00007ffd5eb2bec0 RCX: 00000000004c2d9e
[ 47.248246] RDX: 0000000000000000 RSI: 00007ffd5eb2bed0 RDI: 0000000000000007
[ 47.248269] RBP: 00007ffd5eb2be40 R08: 0000000000000000 R09: 0000000000000000
[ 47.248288] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5eb2beb4
[ 47.248307] R13: 0000000000000050 R14: 00007ffd5eb2c000 R15: 0000000000000000
[ 47.248326]
[ 47.248333] ---[ end trace 0000000000000000 ]---
[ 47.248418] ------------[ cut here ]------------
[ 47.248432] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/160
[ 47.248460] Modules linked in:
[ 47.248474] CPU: 3 UID: 0 PID: 160 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.248507] Tainted: [W]=WARN
[ 47.248519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.248538] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.248557] 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
[ 47.248604] RSP: 0018:ff75203440283bc8 EFLAGS: 00010286
[ 47.248622] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.248642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff42986903115000
[ 47.248662] RBP: 0000000000000000 R08: ff4298690327d150 R09: ff429869030e8830
[ 47.248681] R10: ff4298690487c118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.248704] R13: 0000000000000011 R14: ff4298690487c000 R15: ff42986903115000
[ 47.248732] FS: 0000000000000000(0000) GS:ff429869bbe16000(0000) knlGS:0000000000000000
[ 47.248756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.248775] CR2: 00007f6251efc000 CR3: 000000001d042004 CR4: 0000000000771ef0
[ 47.248799] PKRU: 55555554
[ 47.248807] Call Trace:
[ 47.248816]
[ 47.248826] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.248840] unregister_netdevice_queue+0x9e/0xd0
[ 47.248856] __tun_detach+0x591/0x5b0
[ 47.248868] tun_chr_close+0x3f/0xc0
[ 47.248879] __fput+0xe8/0x2c0
[ 47.248890] task_work_run+0x63/0xa0
[ 47.248903] do_exit+0x2c1/0xba0
[ 47.248915] ? netlink_recvmsg+0x18d/0x310
[ 47.248926] do_group_exit+0x2d/0xc0
[ 47.248938] get_signal+0x82e/0x900
[ 47.248950] arch_do_signal_or_restart+0x77/0x2b0
[ 47.248965] exit_to_user_mode_loop+0x75/0x4a0
[ 47.248982] do_syscall_64+0x439/0xfc0
[ 47.248994] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.249007] RIP: 0033:0x4c2d9e
[ 47.249020] Code: Unable to access opcode bytes at 0x4c2d74.
[ 47.249036] RSP: 002b:00007ffd5eb2be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 47.249058] RAX: 0000000000000014 RBX: 00007ffd5eb2bec0 RCX: 00000000004c2d9e
[ 47.249080] RDX: 0000000000000000 RSI: 00007ffd5eb2bed0 RDI: 0000000000000007
[ 47.249918] RBP: 00007ffd5eb2be40 R08: 0000000000000000 R09: 0000000000000000
[ 47.249947] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5eb2beb4
[ 47.249967] R13: 0000000000000050 R14: 00007ffd5eb2c000 R15: 0000000000000000
[ 47.249990]
[ 47.249998] ---[ end trace 0000000000000000 ]---
[ 47.261221] ------------[ cut here ]------------
[ 47.261249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:0/12
[ 47.261289] Modules linked in:
[ 47.261308] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 47.261344] Tainted: [W]=WARN
[ 47.261356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.261377] Workqueue: netns cleanup_net
[ 47.261393] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 47.261411] 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
[ 47.261465] RSP: 0018:ff75203440067c78 EFLAGS: 00010286
[ 47.261482] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 47.261508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4298690182a900
[ 47.261532] RBP: 0000000000000000 R08: ff429869030f2850 R09: ff429869032cb82c
[ 47.261554] R10: ff429869019b5118 R11: fefefefefefefeff R12: 0000000000000000
[ 47.261575] R13: 0000000000000011 R14: ff429869019b5000 R15: ff4298690182a900
[ 47.261603] FS: 0000000000000000(0000) GS:ff429869bbc96000(0000) knlGS:0000000000000000
[ 47.261629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.261650] CR2: 00007f155b99bf98 CR3: 000000001d042006 CR4: 0000000000771ef0
[ 47.261675] PKRU: 55555554
[ 47.261685] Call Trace:
[ 47.261694]
[ 47.261706] unregister_netdevice_many_notify+0x877/0x9d0
[ 47.261727] default_device_exit_batch+0x318/0x390
[ 47.261744] ops_undo_list+0x10b/0x240
[ 47.261758] cleanup_net+0x1d7/0x2e0
[ 47.261773] process_one_work+0x162/0x360
[ 47.261790] worker_thread+0x16e/0x2d0
[ 47.261804] ? rescuer_thread+0x510/0x510
[ 47.261817] kthread+0xe1/0x120
[ 47.261831] ? kthread_park+0xa0/0xa0
[ 47.261843] ret_from_fork+0x16d/0x250
[ 47.261857] ? kthread_park+0xa0/0xa0
[ 47.261871] ret_from_fork_asm+0x11/0x20
[ 47.261888]
[ 47.261896] ---[ end trace 0000000000000000 ]---