int netdev_set_miimon_interval(struct netdev *, long long int interval);
int netdev_get_features(const struct netdev *,
uint32_t *current, uint32_t *advertised,
int netdev_set_miimon_interval(struct netdev *, long long int interval);
int netdev_get_features(const struct netdev *,
uint32_t *current, uint32_t *advertised,