}
public NetworkSpec createNetworkSpecWhenVboxIsLocalhost() {
NetworkAdapter natAdapter = NetworkAdapter.builder().networkAttachmentType(NetworkAttachmentType.NAT).build();
NetworkInterfaceCard natIfaceCard = NetworkInterfaceCard.builder().addNetworkAdapter(natAdapter).slot(1L).build();
NetworkAdapter hostOnlyAdapter = NetworkAdapter.builder().networkAttachmentType(NetworkAttachmentType.HostOnly)
.build();
// create new hostOnly interface if needed, otherwise use the one already
// there with dhcp enabled ...
String hostOnlyIfName = getHostOnlyIfOrCreate();
NetworkInterfaceCard hostOnlyIfaceCard = NetworkInterfaceCard.builder().addNetworkAdapter(hostOnlyAdapter)
.addHostInterfaceName(hostOnlyIfName).slot(0L).build();
return createNetworkSpecForHostOnlyNATNICs(natIfaceCard, hostOnlyIfaceCard);
}