code: def _read_temp_ifaces(iface, data):
      '''
      Return what would be written to disk for interfaces
      '''
      try:
          template = JINJA.get_template('debian_eth.jinja')
      except jinja2.exceptions.TemplateNotFound:
          log.error('Could not load template debian_eth.jinja')
          return ''
  
      ifcfg = template.render({'name': iface, 'data': data})
      # Return as an array so the difflib works
      return [item + '\n' for item in ifcfg.split('\n')f _read_temp_ifaces(iface, data):
      '''
      Return what would be written to disk for interfaces
      '''
      try:
          template = JINJA.get_template('debian_eth.jinja')
      except jinja2.exceptions.TemplateNotFound:
          log.error('Could not load template debian_eth.jinja')
          return ''
  
      ifcfg = template.render({'name': iface, 'data': data})
      # Return as an array so the difflib works
      return [item + '\n' for item in ifcfg.split('\n')]
docs: Return what would be written to disk for interfaces