code: def ec2_eni_eni_id(self, lookup, default=None):
      
      enis = EFAwsResolver.__CLIENTS["ec2"].describe_network_interfaces(Filters=[{
        'Name': 'description',
        'Values': [lookup]
      }])
      if len(enis.get("NetworkInterfaces")) > 0:
        return enis["NetworkInterfaces"][0]["NetworkInterfaceId"]
      else:
        return default
docs: Args:
        lookup: the description of the Elastic Network Interface (ENI) to look up
        default: the optional value to return if lookup failed; returns None if not set
      Returns:
        The ID of the first ENI found with a description matching 'lookup' or default/None if no match found