+ ns3_add_link(host_src, host_dst, link->bandwidth(), link->latency());
+ } else {
+ static bool warned_about_long_routes = false;
+
+ if (not warned_about_long_routes)
+ XBT_WARN("Ignoring a route between %s and %s of length %zu: Only routes of length 1 are considered with NS3.\n"
+ "WARNING: You can ignore this warning if your hosts can still communicate when only considering routes "
+ "of length 1.\n"
+ "WARNING: Remove long routes to avoid this harmless message; subsequent long routes will be silently "
+ "ignored.",
+ src->getCname(), dst->getCname(), link_list.size());
+ warned_about_long_routes = true;