def create_bulk(self, resource, timeout=-1):
        """
        Creates bulk Ethernet networks.

        Args:
            resource (dict): Specifications to create in bulk.
            timeout:
                Timeout in seconds. Wait for task completion by default. The timeout does not abort the operation
                in OneView; it just stops waiting for its completion.

        Returns:
            list: List of created Ethernet Networks.

        """
        uri = self.URI + '/bulk'
        default_values = self._get_default_values(self.BULK_DEFAULT_VALUES)
        updated_data = self._helper.update_resource_fields(resource, default_values)

        self._helper.create(updated_data, uri=uri, timeout=timeout)

        return self.get_range(resource['namePrefix'], resource['vlanIdRange'])
Creates bulk Ethernet networks.

        Args:
            resource (dict): Specifications to create in bulk.
            timeout:
                Timeout in seconds. Wait for task completion by default. The timeout does not abort the operation
                in OneView; it just stops waiting for its completion.

        Returns:
            list: List of created Ethernet Networks.