code: def _build_command(self):
          
  
          command = [self._path]
          command.extend(["-H", "{}:{}".format(self._host, self._port)])
          if log.getEffectiveLevel() == logging.DEBUG:
              command.extend(["-d", "2"])
          return command
docs: Command to start the uBridge hypervisor process.
          (to be passed to subprocess.Popen())