void format_odp_action(struct ds *, const struct nlattr *);
void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
size_t actions_len);
void format_odp_action(struct ds *, const struct nlattr *);
void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
size_t actions_len);