Rebalance fails with error "bulk_set_vbucket_state_failed" on simple-tests

To repro:
/testrunner -i yourVms.ini -t rebalance.rebalancein.RebalanceInTests.rebalance_in_with_ops,nodes_in=3,replicas=1,items=50000,doc_ops=create;update;delete

Rebalance failure at

Rebalance exited with reason {{bulk_set_vbucket_state_failed,
[{'ns_1@172.23.106.61',
{'EXIT',
{{{normal,
{gen_server,call,
[<0.8112.1>,

{start_vbucket_filter_change,[265,266]}

,
120000]}},
{gen_server,call,
['replication_manager-default',

{change_vbucket_replication,265, 'ns_1@172.23.106.62'}

,
infinity]}},
{gen_server,call,
[

{'janitor_agent-default', 'ns_1@172.23.106.61'}

,
{if_rebalance,<0.8212.0>,
{update_vbucket_state,265,replica,
undefined,'ns_1@172.23.106.62'}},
infinity]}}}}]},
[

{janitor_agent,bulk_set_vbucket_state,4}

,

{ns_vbucket_mover, update_replication_post_move,3}

,

{ns_vbucket_mover,on_move_done,2}

,

{gen_server,handle_msg,5}

,

{proc_lib,init_p_do_apply,3}

]}

which occurs after ebukcetmigrator error with

killing myself due to exit signal: {'EXIT',<0.8071.0>,
badmatch,{error,closed,
[

{ebucketmigrator_srv, upstream_sender_loop,1}

]}}

http://qa.sc.couchbase.com/view/3.0.0/job/centos_x64--00_01--simple-test-P0 is the Jenkins job for this.

adding logs.