Issue

• Deployment is failing with error messages The allocation pool 172.x.0.4-172.x.0.250 spans beyond the subnet cidr 10.x.1.0/24.

  Stack overcloud UPDATE_FAILED
  
  overcloud.Networks.TenantNetwork.TenantSubnet:
  resource_type: OS::Neutron::Subnet
  physical_resource_id:
  status: CREATE_FAILED
  status_reason: |
    BadRequest: resources.TenantSubnet: The allocation pool 172.x.0.4-172.x.0.250 spans beyond the subnet cidr 10.x.1.0/24.
    Neutron server returns request_ids: ['req-857a3651-535c-423b-9bdc-4c61ed6ad261']
  overcloud.ComputeDeployedServer.0:
  resource_type: OS::TripleO::ComputeDeployedServer
  physical_resource_id:
  status: CREATE_FAILED
  status_reason: |
    resources[0]: Property error: resources.NetworkConfig.properties: Property EC2MetadataIp not assigned
  Heat Stack update failed.
  Heat Stack update failed.