rebalance hang but log page shows it is completed

Environment:
windows server 2008 R2 64bit

Build: couchbase server 2.0.2-801

Run rebalance test
./testrunner -i fournode.ini -t failovertests.FailoverTests.test_failover_normal,replica=2,load_ratio=1

rebalance hang with zero percent progress but log page shows it is completed

Link to manifest file of this build http://builds.hq.northscale.net/latestbuilds/couchbase-server-enterprise_x86_64_2.0.2-801-rel.setup.exe.manifest.xml

Link to cbcollect info of all nodes https://s3.amazonaws.com/packages.couchbase/collect_info/2_0_2/2013_05/4nodes-202-801_reb_hang_20130513-185157.tgz