docs: def _create_network_doscript(self, network_file_path):
          """doscript: contains a invokeScript.sh which will do the special work
  
          The network.doscript contains network configuration files and it will
          be used by zvmguestconfigure to configure zLinux os network when it
          starts up
          """
          # Generate the tar package for punch
          LOG.debug('Creating network doscript in the folder %s'
                    % network_file_path)
          network_doscript = os.path.join(network_file_path, 'network.doscript')
          tar = tarfile.open(network_doscript, "w")
          for file in os.listdir(network_file_path):
              file_name = os.path.join(network_file_path, file)
              tar.add(file_name, arcname=file)
          tar.close()
          return network_doscript