Comment 34 for bug 50430

Apparently, the problem is not limited to NIS, but if there is no user logged with the greeter, none of the network services (i.e. ssh, nfs) seems to run properly.

Call it "feature", but I consider it a critical bug, since activating the network manually with the init.d commands doesn't help.

This is way *more* than annoying.
Having to remove the package to fix it means that something went lost in the design process.