for (const auto& l : links) {
XBT_INFO("%s: latency = %.5f, bandwidth = %f", l->get_cname(), l->get_latency(), l->get_bandwidth());
for (const auto& l : links) {
XBT_INFO("%s: latency = %.5f, bandwidth = %f", l->get_cname(), l->get_latency(), l->get_bandwidth());