Comment 9 for bug 1373569

Looks like the shutting down of node-68 was not a source of issue - AMQP became unreachable before to it:
The issue started at 2014-09-24T00:06:06.038365 node-68, and continued at all controllers until 2014-09-24T20:12:02.263801 (which is the end of logs in snapshot)