bool rtnl_message_type_is_route(uint16_t type);
int rtnl_set_link_name(sd_rtnl **rtnl, int ifindex, const char *name);
-int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias, const struct ether_addr *mac, unsigned mtu);
+int rtnl_set_link_properties(sd_rtnl **rtnl, int ifindex, const char *alias, const struct ether_addr *mac, unsigned mtu);
int rtnl_log_parse_error(int r);
int rtnl_log_create_error(int r);