strncpy(if_name, ifname, sizeof(if_name) - 1);
lladdr = *ifid;
rtnl = socket(AF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC, NETLINK_ROUTE);
strncpy(if_name, ifname, sizeof(if_name) - 1);
lladdr = *ifid;
rtnl = socket(AF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC, NETLINK_ROUTE);