hi folks. I use nodepool connect openstack provider. nova build instance failed. and nova list show instance is in BUILD state like follow.  I delete it  prompt No server with a name or ID. and in dashboard show have use these two instance, 8 vcpu, 16g memory, openstack is packstack train ,nova is 15.1.1
In mysql nova's instances table, I can't find these instances, but I can find these in nova_cell0's instances table.
```
| ID                                   | Name                                       | Status | Task State | Power State | Networks |
+--------------------------------------+--------------------------------------------+--------+------------+-------------+----------+
| c741f538-8eec-4a86-bdbf-681ce6982cec | ubuntu-focal-openstack-provider-0000009442 | BUILD  | scheduling | NOSTATE     |          |
| 49103874-e2da-47be-8d62-77748e753551 | ubuntu-focal-openstack-provider-0000009554 | BUILD  | scheduling | NOSTATE     |          |
[root@localhost ~(keystone_admin)]# nova force-delete ubuntu-focal-openstack-provider-0000009442
ERROR (CommandError): No server with a name or ID of 'ubuntu-focal-openstack-provider-0000009442' exists.
```
maybe due to root dir space not enough only have 40G, I extended root dir later. but I need delete instance. Is there any solution?
nova-conductor.log is https://paste.opendev.org/show/bCx1mJ6137S6Sn0rn6FY/
any help would be appreciated.