def setNetworkName(self, networkName='GRL'):
        """set Thread Network name

        Args:
            networkName: the networkname string to be set

        Returns:
            True: successful to set the Thread Networkname
            False: fail to set the Thread Networkname
        """
        print '%s call setNetworkName' % self.port
        print networkName
        try:
            cmd = 'networkname %s' % networkName
            datasetCmd = 'dataset networkname %s' % networkName
            self.hasActiveDatasetToCommit = True
            return self.__sendCommand(cmd)[0] == 'Done' and self.__sendCommand(datasetCmd)[0] == 'Done'
        except Exception, e:
            ModuleHelper.WriteIntoDebugLogger("setNetworkName() Error: " + str(e))
set Thread Network name

        Args:
            networkName: the networkname string to be set

        Returns:
            True: successful to set the Thread Networkname
            False: fail to set the Thread Networkname