One of my previous tech jobs used this strategically. We would just send like a vague "hey could I get your help for a sec" which was code for "some trivial thing that has never failed before is failing now but if it thinks I'm wasting your time it'll start working". Half the time when the other person showed up we'd just talk about random stuff while the person tries the thing again and it would start working no need to ever know what the bug was in the first place