As they do not have default callback functions.
assert(link->ifindex > 0);
assert(link->manager);
assert(link->manager->rtnl);
+ assert(callback);
/* If this is a new address, then refuse adding more than the limit */
if (address_get(link, address->family, &address->in_addr, address->prefixlen, NULL) <= 0 &&
assert(link->manager->rtnl);
assert(link->ifindex > 0);
assert(IN_SET(route->family, AF_INET, AF_INET6));
+ assert(callback);
if (route_get(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, NULL) <= 0 &&
set_size(link->routes) >= routes_max())