auto* zoneB = create_zone(root, "B");
auto* link = root->create_link("root-link", 1e10);
root->add_route(zoneA->get_netpoint(), zoneB->get_netpoint(), e.netpoint_by_name("routerA"),
auto* zoneB = create_zone(root, "B");
auto* link = root->create_link("root-link", 1e10);
root->add_route(zoneA->get_netpoint(), zoneB->get_netpoint(), e.netpoint_by_name("routerA"),