if (has_limiter_) { // limiter for sender
std::pair<surf::LinkImpl*, surf::LinkImpl*> info = private_links_.at(nodePositionWithLoopback(src->id()));
route->link_list.push_back(info.first);
if (has_limiter_) { // limiter for sender
std::pair<surf::LinkImpl*, surf::LinkImpl*> info = private_links_.at(nodePositionWithLoopback(src->id()));
route->link_list.push_back(info.first);