code: def deallocate_network_ipv6(self, id_network_ipv6):
          
  
          if not is_valid_int_param(id_network_ipv6):
              raise InvalidParameterError(
                  u'The identifier of NetworkIPv6 is invalid or was not informed.')
  
          url = 'network/ipv6/' + str(id_network_ipv6) + '/deallocate/'
  
          code, xml = self.submit(None, 'DELETE', url)
  
          return self.response(code, xml)
docs: Deallocate all relationships between NetworkIPv6.
  
          :param id_network_ipv6: ID for NetworkIPv6
  
          :return: Nothing
  
          :raise InvalidParameterError: Invalid ID for NetworkIPv6.
          :raise NetworkIPv6NotFoundError: NetworkIPv6 not found.
          :raise DataBaseError: Networkapi failed to access the database.
          :raise XMLError: Networkapi failed to generate the XML response.