sd_dhcp6_client_set_index  911 src/network/networkd-link.c         r = sd_dhcp6_client_set_index(link->dhcp6_client, link->ifindex);
sd_dhcp6_client_set_index   45 src/systemd/sd-dhcp6-client.h int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index);