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Option 1 is not really an option in any case where a large
number of connections are opened (so I don't believe should
be the default).

From what I understand, certain methods are supposed to be
overridden in a subclass if someone using a class wants
different behavior.

In this case, I believe you can perform either option 2 or 3
in your own code to avoid the thousands of logged lines;
either by creating your own loop() function, or by creating
a subclass of dispatcher and implementing a handle_expt()
method that does as you desire.