Fresh install using latest stage3-amd64-piledriver-1.3 . the problem is this:
nikki@nikkisys ~ $ groups root
root bin daemon sys adm disk wheel floppy tape video root bin daemon sys adm disk wheel floppy tape video
|--------------------------------------------------| |--------------------WTF?--------------------------|
The same exact behavior can be observed with any valid user on the system. I have not noticed any adverse side effects from this, but the fact it is happening is beyond annoying, it's driving me a little crazy. The /etc/group and /etc/group- files appear to be normal.