[Swan] Accounting Data

[Dynastic Space]

We need to obtain an accounting record for each vpn connection.
We've tried following the log file, specifically looking for the following
line:

"xauth-psk"[694] 14.100.134.56 #875: ESP traffic information: in=0B out=0B
XAUTH user=someuser

This line appears on connection disconnects, but we expected the in/out
parameters to specify the number of bytes recorded, and they don't.

1. Is this a bug?
2. Is there a better way to obtain accounting information?
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