- THROWF(arg_error,0, "Route from %s@%s to %s@%s already exists", dstName, route->gw_dst->name(), srcName, route->gw_src->name());
+ THROWF(arg_error, 0, "Route from %s@%s to %s@%s already exists", dstName, route->gw_dst->name().c_str(), srcName,
+ route->gw_src->name().c_str());