trace-summary doesn't parse new log headers

Description

e.g. here's what broctl emailed me after the usual rotating of logs and trying to build the connection summary:

Environment

None

Activity

Show:
Robin Sommer
September 8, 2011, 7:53 PM

In [fb8f25a0f73fee40cd2403ee39fdf18c350e012a/trace-summary]:

Robin Sommer
January 12, 2012, 4:37 AM

Milestone Bro2.0 deleted

Assignee

Robin Sommer

Reporter

Jon Siwek

Labels

External issue ID

602

Components

Fix versions

Affects versions

Priority

Normal
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