Workaround that worked for me was to run
apt-get install --reinstall libgl1-mesa-glx:amd64 libgl1-mesa-glx:i386
so this is obviously a problem in the muli-arch support in apt, right?
Workaround that worked for me was to run
apt-get install --reinstall libgl1- mesa-glx: amd64 libgl1- mesa-glx: i386
so this is obviously a problem in the muli-arch support in apt, right?