src->routeTo(dst, route, &latency);
xbt_assert(not route->empty() || latency,
"You're trying to send data from %s to %s but there is no connecting path between these two hosts.",
src->routeTo(dst, route, &latency);
xbt_assert(not route->empty() || latency,
"You're trying to send data from %s to %s but there is no connecting path between these two hosts.",