code: func Init(dc driverapi.DriverCallback, config map[string]interface{}) error {
  	c := driverapi.Capability{
  		DataScope:         datastore.LocalScope,
  		ConnectivityScope: datastore.LocalScope,
  	}
  	return dc.RegisterDriver(networkType, &driver{}, c)
  }
docs: // Init registers a new instance of host driver