the port.
                      maxLength: 256
                      type: string
                      x-kubernetes-validations:
                      - message: UDS must be an absolute path or abstract socket
                        rule: 'self.startsWith(''unix://'') ? (self.substring(7,8)
                          == ''/'' || self.substring(7,8) == ''@'') : true'
                      - message: UDS may not be a dir