for (int i = 0; i < n_host; i++) {
std::string hostname = id + "-cpu-" + std::to_string(i);
auto* host = zone->create_host(hostname, 1e9);
host->create_disk("disk-" + hostname, 1e9, 1e6);
const auto* link = zone->create_link("link-" + hostname, 1e9);
for (int i = 0; i < n_host; i++) {
std::string hostname = id + "-cpu-" + std::to_string(i);
auto* host = zone->create_host(hostname, 1e9);
host->create_disk("disk-" + hostname, 1e9, 1e6);
const auto* link = zone->create_link("link-" + hostname, 1e9);