Mue - you're assuming he's not referring to himself, but he could well be. The trick is to not rub his nose in it, let him save face, but at the same time, let him know you know. Win-win, nobody loses.

Eta: like you now write him a note or log entry that says "exactly! We are losing connection becsuse we are boththinking that the other is saying blah blah" is what I hankster see as the nexg step.