'Returns ip availability data for a collection of networks.'

def get_network_ip_availabilities(self, context, filters=None, fields=None):

    net_ip_availabilities = super(NetworkIPAvailabilityPlugin, self).get_network_ip_availabilities(context, filters)
    return [db_utils.resource_fields(net_ip_availability, fields) for net_ip_availability in net_ip_availabilities]
