other buckets storage size shows negative number

Environment:
4 ubuntu 10.04 64bit, 4 core, 4GB RAM

Couchbase server 2.0.2-802

Run test:
./testrunner -i ../../ini/4-c-up.ini -t failovertests.FailoverTests.test_failover_normal,replica=2,load_ratio=1

Open default bucket info, see other buckets value in negative
Reload browser several times, other buckes still shows negative value

Link to manifest file http://builds.hq.northscale.net/latestbuilds/couchbase-server-enterprise_x86_64_2.0.2-802-rel.rpm.manifest.xml

Link to collect info file of all nodes https://s3.amazonaws.com/packages.couchbase/collect_info/2_0_2/2013_05/4nodes_202-802_bucket_info_negative_value_20130514-153022.tgz