Bugzilla's Subcategory 211 contains the most mysterious and elusive bugs that have ever existed in the land of software development. These bugs are like ghosts, they're hard to catch, hard to kill, and hard to understand.
Here are a few examples of bugs that have been known to exist in this subcategory:
Don't even get us started on 996: The Unreliable... That's a whole other can of worms.