basalt-26.3: roachtest: cluster_creation failed

test rebalance/by-load/replicas/mixed-version failed: (test_runner.go:1087).func4: in provider: gce: BulkInsert failed for us-east1: BulkInsert operation failed for region us-east1: gce create failed due to capacity in zone(s) [us-east1-b]: grpc: SERVICE UNAVAILABLE: errors:{code:"VM_MIN_COUNT_NOT_REACHED" message:"Requested minimum count of 7 VMs could not be created."} errors:{code:"ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS" error_details:{help:{links:{description:"Troubleshooting documentation" url:"https://cloud.google.com/compute/docs/resource-error"}}} error_details:{localized_message:{locale:"en-US" message:"A c4a-standard-4-lssd VM instance with 1 local SSD(s) is currently unavailable in the us-east1-b zone. Alternatively, you can try your request again with a different VM hardware configuration or at a later time. For more information, see the troubleshooting documentation."}} error_details:{error_info:{domain:"compute.googleapis.com" metadatas:{key:"attachment" value:"local-ssd:1"} metadatas:{key:"vmType" value:"c4a-standard-4-lssd"} metadatas:{key:"zone" value:"us-east1-b"} metadatas:{key:"zonesAvailable" value:""} reason:"resource_availability"}} message:"The zone 'projects/crl-e2e-infra/zones/us-east1-b' does not have enough resources available to fulfill the request.  'NULL:0/NULL:0/NULL:0 (state:STOCKOUT, sub-state:STOCKOUT, resource type:compute)'."} [code 2/Unknown] [owner=test-eng]