if (value2->isRouter()) {
std::printf(" <route src=\"%s\" dst=\"%s\">\n ", value1->cname(), value2->cname());
std::vector<simgrid::surf::LinkImpl*> route;
simgrid::kernel::routing::NetZoneImpl::getGlobalRoute(value1, value2, &route, nullptr);
if (value2->isRouter()) {
std::printf(" <route src=\"%s\" dst=\"%s\">\n ", value1->cname(), value2->cname());
std::vector<simgrid::surf::LinkImpl*> route;
simgrid::kernel::routing::NetZoneImpl::getGlobalRoute(value1, value2, &route, nullptr);