public List<String> getIPv4Association(String publicIp) {return EC2MetadataUtils.getItems(EC2_METADATA_ROOT + path+ "ipv4-associations/" + publicIp);}
public IEnumerable<string> GetIpV4Association(string publicIp){return EC2Metadata.GetItems(string.Format(CultureInfo.InvariantCulture, "{0}ipv4-associations/{1}", _path, publicIp));}