This is the ua: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Iron/37.0.2000.0 Chrome/37.0.2000.0 Safari/537.36
In the DevicesDetection module the browser family should be Google Chrome but there is just a white square.
Hi. The devicedetection is handled by our subproject https://github.com/piwik/device-detector.
You may open a ticket there to get that fixed.