private ExternalNetworkResourceUsageAnswer getIpBytesSentAndReceived(ExternalNetworkResourceUsageCommand cmd) throws ExecutionException {
ExternalNetworkResourceUsageAnswer answer = new ExternalNetworkResourceUsageAnswer(cmd);
try {
LocalLBVirtualServerVirtualServerStatistics stats = _virtualServerApi.get_all_statistics();
for (LocalLBVirtualServerVirtualServerStatisticEntry entry : stats.getStatistics()) {
String virtualServerIp = entry.getVirtual_server().getAddress();
virtualServerIp = stripRouteDomainFromAddress(virtualServerIp);
long[] bytesSentAndReceived = answer.ipBytes.get(virtualServerIp);