* Possible return codes:
* -ENODATA: networkd is not aware of the link
*/
int sd_network_get_link_operational_state(unsigned index, char **state);
/* Get overall opeartional state
* Possible return codes:
* -ENODATA: networkd is not aware of the link
*/
int sd_network_get_link_operational_state(unsigned index, char **state);
/* Get overall opeartional state