[windows] Rebalance exited with reason {bulk_set_vbucket_state_failed, {timeout, when data mutation is in progress

Rebalance exited with below reason when data mutation is in progress with rebalance

{{bulk_set_vbucket_state_failed,
[{'ns_1@10.142.85.118',
{'EXIT',
{{{timeout,

Test to repro:
nohup ./testrunner -i win-aws.ini -t rebalance.rebalancein.RebalanceInTests.incremental_rebalance_in_with_ops,replicas=2,items=100000,doc_ops=update &

The test failed at 2013-03-15 20:53:08 and the info.18 log file at the orchestrator nodes has the logs. Below crash reports can be seen.

=========================CRASH REPORT=========================
crasher:
initial call: ns_single_vbucket_mover:mover/6
pid: <0.32365.663>
registered_name: []
exception exit: {{{timeout,
{gen_server,call,
[<21714.30742.56>,
{start_vbucket_filter_change,

=========================CRASH REPORT=========================
crasher:
initial call: ns_single_vbucket_mover:mover/6
pid: <0.32167.663>
registered_name: []
exception exit: {{{timeout,
{gen_server,call,
[<21714.30742.56>,
{start_vbucket_filter_change,

=========================CRASH REPORT=========================
crasher:
initial call: ns_single_vbucket_mover:mover/6
pid: <0.31877.663>
registered_name: []
exception exit: {unexpected_exit,
{'EXIT',<0.48.664>,
{{wait_checkpoint_persisted_failed,"default",853,4,
[{'ns_1@10.142.85.118',
{'EXIT',
{{{timeout,
{gen_server,call,
[<21714.30742.56>,
{start_vbucket_filter_change,

Attaching the testrunner logs and collect_info.zip.

I executed the same test again and it passed so this is not consistently reproducible.