Multiple failed instances during deployment

During deployment of openstack using juju+maas multiple units fail.

1/lxd/4 down pending focal Failed creating instance record: Add instance info to the database: This instance already exists
1/lxd/5 started 10.244.40.109 juju-352f48-1-lxd-5 focal zone3 Container started
2 started 10.244.40.103 node3 focal zone1 Deployed
2/lxd/0 down pending focal Failed creating instance record: Add instance info to the database: This instance already exists
2/lxd/1 down pending focal Failed creating instance record: Failed initialising instance: Failed creating storage record: UNIQUE constraint failed: storage_volumes.storage_pool_id, storage_volumes.node_id, storage_volumes.project_id, storage_volumes.name, storage_volumes.type
2/lxd/2 down pending focal Failed creating instance record: Add instance info to the database: This instance already exists
2/lxd/3 pending pending focal Creating container
2/lxd/4 down pending focal Failed creating instance record: Failed initialising instance: Failed creating storage record: UNIQUE constraint failed: storage_volumes.storage_pool_id, storage_volumes.node_id, storage_volumes.project_id, storage_volumes.name, storage_volumes.type
2/lxd/5 down pending focal Failed creating instance record: Add instance info to the database: This instance already exists
2/lxd/6 down pending focal Failed creating instance record: Failed initialising instance: Failed creating storage record: UNIQUE constraint failed: storage_volumes.storage_pool_id, storage_volumes.node_id, storage_volumes.project_id, storage_volumes.name, storage_volumes.type
3 started 10.244.40.107 node4 focal zone2 Deployed
3/lxd/0 down pending focal Failed creating instance record: Failed initialising instance: Failed creating storage record: UNIQUE constraint failed: storage_volumes.storage_pool_id, storage_volumes.node_id, storage_volumes.project_id, storage_volumes.name, storage_volumes.type
3/lxd/1 started 10.244.40.216 juju-352f48-3-lxd-1 focal zone2 Container started
3/lxd/2 started 10.244.40.209 juju-352f48-3-lxd-2 focal zone2 Container started
3/lxd/3 down pending focal Failed creating instance record: Failed initialising instance: Failed creating storage record: UNIQUE constraint failed: storage_volumes.storage_pool_id, storage_volumes.node_id, storage_volumes.project_id, storage_volumes.name, storage_volumes.type
3/lxd/4 down pending focal Failed creating instance record: Add instance info to the database: This instance already exists

The deployment was done in a constraint environment. It can be due to resource contention as it is a deployment into virsh machines on the same server