Selenium wylaczenie logow gecko

Hej,

Mam problem z outputem z drivatera. Podczas dzialania programu do consoli przedostaja sie takie smieci :

 
471351644512	Marionette	INFO	Listening on port 64458
1471351644524	Marionette	INFO	Listening on port 64459
1471351644525	Marionette	INFO	Listening on port 64460
1471351644529	Marionette	INFO	Listening on port 64457
1471351644554	Marionette	INFO	Listening on port 64456
1471351645824	Marionette	INFO	startBrowser eb2e9488-5a0b-004c-a228-5bb0a1693631
1471351645832	Marionette	INFO	sendAsync eb2e9488-5a0b-004c-a228-5bb0a1693631
1471351645873	Marionette	INFO	startBrowser 5465140f-51d7-bc49-8804-bee754e390c3
1471351645882	Marionette	INFO	sendAsync 5465140f-51d7-bc49-8804-bee754e390c3
1471351645971	Marionette	INFO	startBrowser 4ef3e701-7e76-9d46-8fbe-5e1640b467c3
1471351645973	Marionette	INFO	startBrowser 4cf491f1-8453-b845-bed2-2a399daa8bcb

Chcialabym to wylaczyc bo przez to nie widze printow wyrzucanych przez moj program.

Probowalam wylaczyc wszystkie logi :

            DesiredCapabilities capabilities = DesiredCapabilities.firefox();
            LoggingPreferences logPrefs = new LoggingPreferences();
            logPrefs.enable(LogType.BROWSER, Level.OFF);
            logPrefs.enable(LogType.PROFILER, Level.OFF);
            logPrefs.enable(LogType.DRIVER, Level.OFF);
            logPrefs.enable(LogType.PERFORMANCE, Level.OFF);
            logPrefs.enable(LogType.CLIENT, Level.OFF);
            logPrefs.enable(LogType.SERVER, Level.OFF);
            capabilities.setCapability(CapabilityType.LOGGING_PREFS, logPrefs);
            driver = new FirefoxDriver(capabilities);

Ale niestety nie działa.