[Mailman-Developers] better logging of undiscernable bounces

[Stephen J. Turnbull]

Mark Sapiro writes:
 > discernable addresses' message, so the list name isn't really required
 > since the list will be identifiable with the first change, and it may
 > even seem redundant, but I think it's more consistent to include it on
 > all the messages.

+1
+1

Consistency and (some) redundancy is good in logs.