bool in_band_msg_in_hook(struct in_band *, const struct flow *,
const struct ofpbuf *packet);
bool in_band_rule_check(struct in_band *, const struct flow *,
bool in_band_msg_in_hook(struct in_band *, const struct flow *,
const struct ofpbuf *packet);
bool in_band_rule_check(struct in_band *, const struct flow *,