private HostInfo initializeNetworkinterfaces(HostInfo host) {

    Map<String, Object> datastores =
        configurationService.pathvalue(Map.class, Constants.HOST, Constants.NETWORKINTERFACES);
    for (Entry<String, Object> e : datastores.entrySet()) {
      Map<String, Object> ee = (Map<String, Object>) e.getValue();
      NetworkInterface networkInterface = new NetworkInterface();
      String name = (String) ee.get(Constants.NAME);
      String mac = (String) ee.get(Constants.MAC);
      networkInterface.setName(name);
      networkInterface.setMac(mac);
      host.getNetworkInterfaces().add(networkInterface);
    }

    return host;
  }