Make the debug printouts easier to parse

Change-Id: I97baa39799ae87c47c707ced30d44e61ce73b5e3
Reviewed-on: http://review.couchbase.org/35445
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>