int nx_pull_match(struct ofpbuf *, unsigned int match_len, uint16_t priority,
struct cls_rule *, ovs_be64 *cookie, ovs_be64 *cookie_mask);
+int nx_pull_match_loose(struct ofpbuf *, unsigned int match_len,
+ uint16_t priority, struct cls_rule *,
+ ovs_be64 *cookie, ovs_be64 *cookie_mask);
int nx_put_match(struct ofpbuf *, const struct cls_rule *,
ovs_be64 cookie, ovs_be64 cookie_mask);