Maximum number of ports exceeded log

below
network\neutronv2\pi.py

 _create_port
        except neutron_client_exc.OverQuotaClient:
            LOG.warning(_LW(
                'Neutron error: Port quota exceeded in tenant: %s'),
                port_req_body['port']['tenant_id'], instance=instance)
            raise exception.PortLimitExceeded()

raise "Maximum number of ports exceeded" is not better than "Port quota exceeded in tenant"
"Port quota exceeded in tenant" will be more understanded.