parse_GROUP(char *arg, struct ofpbuf *ofpacts,
                    enum ofputil_protocol *usable_protocols OVS_UNUSED)
{
    return str_to_u32(arg, &ofpact_put_GROUP(ofpacts)->group_id);
}
parse_GROUP(char *arg, struct ofpbuf *ofpacts,
                    enum ofputil_protocol *usable_protocols OVS_UNUSED)
{
    return str_to_u32(arg, &ofpact_put_GROUP(ofpacts)->group_id);
}