private static final void log(Logger logger, Object param) {
        @SuppressWarnings("deprecation")
        LogRecord r = new LogRecord(LogLevel.EVENT, null);

        r.setParameters(new Object[] {param});
        r.setLoggerName(logger.getName());
        logger.log(r);
    }
Internal method which prepares Event log messages.  Not
the prettiest way to do it...
vespalog/src/main/java/com/yahoo/log/event/Event.java