[ 2.333610] ------------[ cut here ]------------
[ 2.333668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/167
[ 2.333732] Modules linked in:
[ 2.333755] CPU: 0 UID: 0 PID: 167 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.333820] Tainted: [W]=WARN
[ 2.333845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.333878] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.333911] 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 e6 ab fb ff b9 a6 ff ff
[ 2.334011] RSP: 0018:ff3f5260003dfcc0 EFLAGS: 00010286
[ 2.334036] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 2.334074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2ccbca82b1bf00
[ 2.334118] RBP: 0000000000000000 R08: ff2ccbca82b4b050 R09: ff2ccbca819bc02c
[ 2.334157] R10: ff2ccbca819bf120 R11: fefefefefefefeff R12: 0000000000000000
[ 2.334207] R13: 0000000000000010 R14: ff2ccbca819bf000 R15: ff2ccbca82b1bf00
[ 2.334253] FS: 00007f8cfb539840(0000) GS:ff2ccbcb3708c000(0000) knlGS:0000000000000000
[ 2.334295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.334327] CR2: 0000000000479648 CR3: 0000000004d2d002 CR4: 0000000000771ef0
[ 2.334372] PKRU: 55555554
[ 2.334386] Call Trace:
[ 2.334403]
[ 2.334419] rtmsg_ifinfo+0x3c/0xa0
[ 2.334441] register_netdevice+0x889/0x9f0
[ 2.334468] register_netdev+0x1e/0x30
[ 2.334490] loopback_net_init+0x57/0xb0
[ 2.334516] ? vsock_sysctl_init_net+0xb6/0x140
[ 2.334549] ops_init+0x68/0x140
[ 2.334573] setup_net+0x85/0x150
[ 2.334594] copy_net_ns+0xf5/0x200
[ 2.334617] create_new_namespaces+0x117/0x2f0
[ 2.334649] unshare_nsproxy_namespaces+0x85/0xb0
[ 2.334678] ksys_unshare+0x346/0x5e0
[ 2.334704] __x64_sys_unshare+0x12/0x20
[ 2.334723] do_syscall_64+0xe0/0xfc0
[ 2.334749] ? exc_page_fault+0x83/0x1a0
[ 2.334770] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.334795] RIP: 0033:0x7f8cfb7fbbcb
[ 2.334820] 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
[ 2.334914] RSP: 002b:00007ffe7d22bde8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 2.334949] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8cfb7fbbcb
[ 2.334998] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[ 2.335041] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 2.335081] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7d22e010
[ 2.335121] R13: 0000000000000001 R14: 00007f8cfb5396f8 R15: 00007ffe7d22e886
[ 2.335173]
[ 2.335185] ---[ end trace 0000000000000000 ]---
[ 2.338261] ------------[ cut here ]------------
[ 2.338294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/168
[ 2.338346] Modules linked in:
[ 2.338371] CPU: 3 UID: 0 PID: 168 Comm: ip Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 2.338432] Tainted: [W]=WARN
[ 2.338458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.338489] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 2.338520] 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 e6 ab fb ff b9 a6 ff ff
[ 2.338628] RSP: 0018:ff3f5260003e7720 EFLAGS: 00010286
[ 2.338657] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 2.338700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2ccbca82af1100
[ 2.338743] RBP: 0000000000000000 R08: ff2ccbca82b4b050 R09: ff2ccbca82f7702c
[ 2.338784] R10: ff2ccbca819bf120 R11: fefefefefefefeff R12: 0000000000000000
[ 2.338835] R13: 0000000000000010 R14: ff2ccbca819bf000 R15: ff2ccbca82af1100
[ 2.338872] FS: 00007f8814595840(0000) GS:ff2ccbcb3720c000(0000) knlGS:0000000000000000
[ 2.338918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.338954] CR2: 000000002fefb988 CR3: 0000000004e77005 CR4: 0000000000771ef0
[ 2.338998] PKRU: 55555554
[ 2.339013] Call Trace:
[ 2.339027]
[ 2.339047] rtmsg_ifinfo+0x3c/0xa0
[ 2.339077] __dev_notify_flags+0xb1/0xf0
[ 2.339099] ? rtnl_getlink+0x456/0x5e0
[ 2.339121] netif_change_flags+0x54/0x70
[ 2.339143] do_setlink.isra.0+0x3a2/0x1500
[ 2.339171] ? __nla_validate_parse+0x76/0xf20
[ 2.339203] rtnl_newlink+0x9d3/0xd90
[ 2.339226] ? kmalloc_reserve+0xa9/0x170
[ 2.339247] ? do_setlink.isra.0+0x1500/0x1500
[ 2.339276] rtnetlink_rcv_msg+0x39f/0x460
[ 2.339298] ? netlink_unicast+0x306/0x3a0
[ 2.339323] ? rtnl_calcit.isra.0+0x160/0x160
[ 2.339355] netlink_rcv_skb+0xca/0x140
[ 2.339377] netlink_unicast+0x26b/0x3a0
[ 2.339399] netlink_sendmsg+0x1e2/0x430
[ 2.339421] ____sys_sendmsg+0x14c/0x2b0
[ 2.339443] ___sys_sendmsg+0xe1/0x120
[ 2.339468] __sys_sendmsg+0xad/0x100
[ 2.339491] do_syscall_64+0xe0/0xfc0
[ 2.339512] ? exc_page_fault+0x83/0x1a0
[ 2.339533] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2.339561] RIP: 0033:0x7f88147cf08e
[ 2.339583] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 2.339674] RSP: 002b:00007ffd3713e620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 2.339711] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f88147cf08e
[ 2.339753] RDX: 0000000000000000 RSI: 00007ffd3713e6d0 RDI: 0000000000000005
[ 2.339799] RBP: 00007ffd3713e630 R08: 0000000000000000 R09: 0000000000000000
[ 2.339844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10da25
[ 2.339886] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3713eda0
[ 2.339930]
[ 2.339948] ---[ end trace 0000000000000000 ]---
[ 12.038101] ------------[ cut here ]------------
[ 12.038161] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65
[ 12.038225] Modules linked in: nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
[ 12.038290] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 12.038353] Tainted: [W]=WARN
[ 12.038375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.038407] Workqueue: netns cleanup_net
[ 12.038432] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 12.038462] 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 e6 ab fb ff b9 a6 ff ff
[ 12.038561] RSP: 0018:ff3f52600023fc08 EFLAGS: 00010286
[ 12.038588] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 12.038632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2ccbca82b1bf00
[ 12.038674] RBP: 0000000000000000 R08: ff2ccbca82b4b050 R09: ff2ccbca84ec502c
[ 12.038714] R10: ff2ccbca819bf120 R11: fefefefefefefeff R12: 0000000000000000
[ 12.038760] R13: 0000000000000010 R14: ff2ccbca819bf000 R15: ff2ccbca82b1bf00
[ 12.038814] FS: 0000000000000000(0000) GS:ff2ccbcb3708c000(0000) knlGS:0000000000000000
[ 12.038866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.038907] CR2: 00007f0e8b952574 CR3: 000000003b242003 CR4: 0000000000771ef0
[ 12.038958] PKRU: 55555554
[ 12.038973] Call Trace:
[ 12.038987]
[ 12.039003] rtmsg_ifinfo+0x3c/0xa0
[ 12.039025] netif_close_many+0xed/0x190
[ 12.039050] unregister_netdevice_many_notify+0x267/0x9d0
[ 12.039081] default_device_exit_batch+0x2f8/0x370
[ 12.039110] ops_undo_list+0x10b/0x240
[ 12.039131] cleanup_net+0x1d7/0x2e0
[ 12.039149] process_one_work+0x162/0x360
[ 12.039175] worker_thread+0x16e/0x2d0
[ 12.039200] ? rescuer_thread+0x510/0x510
[ 12.039223] kthread+0xe1/0x120
[ 12.039250] ? kthread_park+0xa0/0xa0
[ 12.039273] ret_from_fork+0x18e/0x290
[ 12.039297] ? kthread_park+0xa0/0xa0
[ 12.039318] ret_from_fork_asm+0x11/0x20
[ 12.039341]
[ 12.039357] ---[ end trace 0000000000000000 ]---
[ 12.039460] ------------[ cut here ]------------
[ 12.039486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/65
[ 12.039543] Modules linked in: nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
[ 12.039606] CPU: 0 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 12.039672] Tainted: [W]=WARN
[ 12.039693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.039729] Workqueue: netns cleanup_net
[ 12.039752] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 12.039782] 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 e6 ab fb ff b9 a6 ff ff
[ 12.039886] RSP: 0018:ff3f52600023fc78 EFLAGS: 00010286
[ 12.039911] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 12.039953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2ccbca82b1bf00
[ 12.039997] RBP: 0000000000000000 R08: ff2ccbca82b4b050 R09: ff2ccbca84c0882c
[ 12.040040] R10: ff2ccbca819bf120 R11: fefefefefefefeff R12: 0000000000000000
[ 12.040084] R13: 0000000000000011 R14: ff2ccbca819bf000 R15: ff2ccbca82b1bf00
[ 12.040127] FS: 0000000000000000(0000) GS:ff2ccbcb3708c000(0000) knlGS:0000000000000000
[ 12.040176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.040214] CR2: 00007f0e8b952574 CR3: 000000003b242003 CR4: 0000000000771ef0
[ 12.040259] PKRU: 55555554
[ 12.040273] Call Trace:
[ 12.040289]
[ 12.040302] unregister_netdevice_many_notify+0x877/0x9d0
[ 12.040331] default_device_exit_batch+0x2f8/0x370
[ 12.040366] ops_undo_list+0x10b/0x240
[ 12.040392] cleanup_net+0x1d7/0x2e0
[ 12.040415] process_one_work+0x162/0x360
[ 12.040437] worker_thread+0x16e/0x2d0
[ 12.040460] ? rescuer_thread+0x510/0x510
[ 12.040480] kthread+0xe1/0x120
[ 12.040501] ? kthread_park+0xa0/0xa0
[ 12.040523] ret_from_fork+0x18e/0x290
[ 12.040546] ? kthread_park+0xa0/0xa0
[ 12.040570] ret_from_fork_asm+0x11/0x20
[ 12.040592]
[ 12.040606] ---[ end trace 0000000000000000 ]---