[windows] swap rebalance failed when upgrade from 2.5.x to sherlock

Install couchbase server 2.5.x on 2 nodes (76 and 78)
Create 3 buckets with 2 docs for each bucket
Install couchbase server 4.0.0-2093 on 2 nodes (80 and 81)
Add node 80 to 2.5.x cluster and remove node 76 out of cluster.
Swap rebalance. Rebalance failed with error

Rebalance exited with reason {unexpected_exit,
{'EXIT',<0.1231.0>,
{{error,
{badrpc,
{'EXIT',
{{badmatch,{ok,[],
[{couch_set_view_group,
process_monitor_partition_update,4,
[

{file, "c:/Jenkins/workspace/sherlock-windows/couchbase/couchdb/src/couch_set_view/src/couch_set_view_group.erl"}

,

{line,3631}]},
{couch_set_view_group,handle_call,3,
[{file, "c:/Jenkins/workspace/sherlock-windows/couchbase/couchdb/src/couch_set_view/src/couch_set_view_group.erl"}, {line,889}]},
{gen_server,handle_msg,5,
[{file,"gen_server.erl"},{line,585}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]},
{gen_server,call,
[<12293.322.0>, {monitor_partition_update,511, #Ref<12293.0.0.991>,<12293.359.0>},
infinity]}},
{gen_server,call,
['capi_set_view_manager-standard_bucket0', {wait_index_updated,511},
infinity]}}}}},
{gen_server,call,
[{'janitor_agent-standard_bucket0', 'ns_1@172.23.121.80'},
{if_rebalance,<0.1077.0>,
{wait_index_updated,511}},
infinity]}}}}
ns_orchestrator002 ns_1@172.23.121.80 15:15:10 - Tue May 12, 2015
<0.1082.0> exited with {unexpected_exit,
{'EXIT',<0.1231.0>,
{{error,
{badrpc,
{'EXIT',
{{badmatch,{ok,[],
[{couch_set_view_group,
process_monitor_partition_update,4,
[{file, "c:/Jenkins/workspace/sherlock-windows/couchbase/couchdb/src/couch_set_view/src/couch_set_view_group.erl"},{line,3631}

]},
{couch_set_view_group,handle_call,3,
[

{file, "c:/Jenkins/workspace/sherlock-windows/couchbase/couchdb/src/couch_set_view/src/couch_set_view_group.erl"}

,

{line,889}

]},
{gen_server,handle_msg,5,
[

{file,"gen_server.erl"}

,

{line,585}

]},
{proc_lib,init_p_do_apply,3,
[

{file,"proc_lib.erl"}

,

{line,239}

]}]},
{gen_server,call,
[<12293.322.0>,

{monitor_partition_update,511, #Ref<12293.0.0.991>,<12293.359.0>}

,
infinity]}},
{gen_server,call,
['capi_set_view_manager-standard_bucket0',

{wait_index_updated,511}

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

{'janitor_agent-standard_bucket0', 'ns_1@172.23.121.80'}

,
{if_rebalance,<0.1077.0>,{wait_index_updated,511}},
infinity]}}}} ns_vbucket_mover000 ns_1@172.23.121.80 15:15:10 - Tue May 12, 2015