'Process extended attributes for update network.
:param plugin_context: plugin request context
:param data: dictionary of incoming network data
:param result: network dictionary to extend
Called inside transaction context on plugin_context.session to
validate and update any extended network attributes defined by this
driver. Extended attribute values, whether updated or not,
must also be added to result.'

def process_update_network(self, plugin_context, data, result):

    pass
