I'm not able to reproduce the bug reliably, so I can't tell what causes it. - It doesn't seem to be too bad on linux and it didn't cause any weird network activity either.

The problem went away after a minute or so...

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Morgens ess ich Cornflakes und abends ess ich Brot
Und wenn ich lang genug gelebt hab, dann sterb ich und bin tot

--Fischmob