}
if (add_address_to_interface(i->ifindex, (struct in6_addr *) addr.ip, i->prefix.prefix_len) == -1) {
syslog(LOG_ERR, "add_address_to_interface: %s", strerror(errno));
}
if (add_address_to_interface(i->ifindex, (struct in6_addr *) addr.ip, i->prefix.prefix_len) == -1) {
syslog(LOG_ERR, "add_address_to_interface: %s", strerror(errno));