int route_new(Route **ret);
void route_free(Route *route);
-int route_configure(Route *route, Link *link, link_netlink_message_handler_t callback);
+int route_configure(Route *route, Link *link, link_netlink_message_handler_t callback, Route **ret);
int route_remove(Route *route, Link *link, link_netlink_message_handler_t callback);
int route_get(Link *link, Route *in, Route **ret);