29 Kts at15.000 ft?

Hi Everyone,

Just saw something really strange last night near Eindhoven airport (Netherlands). Check the screenshot attached...speaks for itself.
29 Kts at 14,425ft? and check out the confused flight pattern too. Anyone can give an explanation for this? Software bug or has the transponder been stolen by a bird? :p

Greetings!

BaronScreenshot_2016-02-09-23-14-22.jpg

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