    def get_bpftool_map_ids(self, map_file):
        out = []
        try:
            map_data = json.load(open(map_file))
        except Exception as e:
            self._log_info("Could not parse bpftool map list as JSON: %s" % e)
            return out
        for item in range(len(map_data)):
            if "id" in map_data[item]:
                out.append(map_data[item]["id"])
        return out