public void execute(JobExecutionContext context) throws JobExecutionException {
        long start = printEntry(context);
        StateTracker tracker = Backbone.STATE;
        NotificationManager notification = Backbone.NOTIFICATION;
        tracker.updateAll();
        Set<AccessPoint> failures = tracker.getFailures();
        if (failures != null && failures.size() > 0) {
            printFailureCount(context, failures.size());
            StringBuilder sb = new StringBuilder();
            for (AccessPoint failure : failures) {
                String identity = failure.getIdentity();
                if (identity.isEmpty())
                    identity = "No identity";
                sb.append(
                    String.format(
                            "[%s] %s\n",
                            failure.getMac(),
                            identity
                    ));
            }
            notification.notifyAllSubscribedTelegram("Failure(s) detected", sb.toString());
        }
        tracker.setNotified(failures);
        printExit(context, start);
    }