sd_ipv4ll_set_mac  235 src/network/networkd-ipv4ll.c         r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
sd_ipv4ll_set_mac 1632 src/network/networkd-link.c                                 r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
sd_ipv4ll_set_mac   44 src/systemd/sd-ipv4ll.h int sd_ipv4ll_set_mac(sd_ipv4ll *ll, const struct ether_addr *addr);