@abc.abstractmethod<EOL><INDENT>def extend_hosting_port_info(self, context, port_db, hosting_device,<EOL>hosting_info):<DEDENT>
pass<EOL>
Extends hosting information for a logical port.

        Allows a driver to add driver specific information to the
        hosting information for a logical port.

        :param context: Neutron api request context.
        :param port_db: Neutron port that hosting information concerns.
        :param hosting_device: Device that hosts the port.
        :param hosting_info: dict with hosting port information to be extended.