Unfortunately, they are not three different connections. Sometimes a single connection is interrupted in the logs, becoming two lines. (Lines 2 and 5) and sometimes the exact same tuples will occur again, but later than a logical connection would last (line 7).
I think I need some combination of a maxspan from transaction and your suggestion with stats.
The transaction command uses only the _time field (not shown in sample) not the internal times from the log lines. stats doesn't group similar lines together.
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