code: def create_host_only_network_interface(self):
          
          (progress, host_interface) = self._call("createHostOnlyNetworkInterface")
          progress = IProgress(progress)
          host_interface = IHostNetworkInterface(host_interface)
          return (progress, host_interface)
docs: Creates a new adapter for Host Only Networking.
  
          out host_interface of type :class:`IHostNetworkInterface`
              Created host interface object.
  
          return progress of type :class:`IProgress`
              Progress object to track the operation completion.
  
          raises :class:`OleErrorInvalidarg`
              Host network interface @a name already exists.