private static long effectiveActivatedStateVersion(NodeInfo nodeInfo, ClusterStateBundle bundle) {
        return bundle.deferredActivation()
                ? nodeInfo.getClusterStateVersionActivationAcked()
                : nodeInfo.getClusterStateVersionBundleAcknowledged();
    }
This is called when the options field has been set to a new set of options
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/FleetController.java