private static int getMtlsDataplanePort(DeployState ds) {
        return enableTokenSupport(ds) ? 8443 : 4443;
    }
Validates JVM GC options and logs a warning or fails deployment (depending on feature flag)
if anyone of them has invalid syntax or is an option that is unsupported for the running system
(e.g. uses CMS options for hosted Vespa, which uses JDK 17).
config-model/src/main/java/com/yahoo/vespa/model/container/xml/ContainerModelBuilder.java