int sd_ipv4ll_set_address(sd_ipv4ll *ll, const struct in_addr *address);
int sd_ipv4ll_set_address_seed(sd_ipv4ll *ll, uint64_t seed);
int sd_ipv4ll_is_running(sd_ipv4ll *ll);
+int sd_ipv4ll_restart(sd_ipv4ll *ll);
int sd_ipv4ll_start(sd_ipv4ll *ll);
int sd_ipv4ll_stop(sd_ipv4ll *ll);
sd_ipv4ll *sd_ipv4ll_ref(sd_ipv4ll *ll);