stale=ok\update_after queries are failed with timeout error rebalance out 10->9 nodes

Timeout error appear when do query stale=ok\update_after during rebalance 10->9, index is built before rebalance start
2 buckets: default and sasl bucket
Data:
loaded with mcsoda: default - 7M items, sasl-730K

Views structure:
1 ddoc, 2 views:
v1 - function(doc)

{emit(doc.key, doc.key_num);}

v2 - function(doc, meta)

{emit(meta.id, doc.key);}

Error:
Subset of nodes failed with the following error:
[

{ "from": "http://10.3.121.20:8092/_view_merge/?limit=10", "reason": "timeout" }

,

{ "from": "http://10.3.121.13:8092/_view_merge/?limit=10", "reason": "timeout" }

,

{ "from": "http://10.3.121.15:8092/_view_merge/?limit=10", "reason": "timeout" }

]

exact queries:
iryna@ubuntu:~/couchbase/testrunner$ curl -v 'http://10.3.121.17:8092/default/_design/d1/_view/v2?stale=update_after&connection_timeout=60000&limit=10&skip=0'

• About to connect() to 10.3.121.17 port 8092 (#0)
• Trying 10.3.121.17...
• connected
• Connected to 10.3.121.17 (10.3.121.17) port 8092 (#0)
  > GET /default/_design/d1/_view/v2?stale=update_after&connection_timeout=60000&limit=10&skip=0 HTTP/1.1
  > User-Agent: curl/7.26.0
  > Host: 10.3.121.17:8092
  > Accept: /
  >
  < HTTP/1.1 200 OK
  < Transfer-Encoding: chunked
  < Server: MochiWeb/1.0 (Any of you quaids got a smint?)
  < Date: Wed, 29 Aug 2012 01:23:52 GMT
  < Content-Type: text/plain;charset=utf-8
  < Cache-Control: must-revalidate
  <
  {"total_rows":8649506,"rows":[ {"id":"0-0000046792785dbe","key":"0-0000046792785dbe","value":"0-0000046792785dbe"}

  ,

  {"id":"0-00000586045f623e","key":"0-00000586045f623e","value":"0-00000586045f623e"}

  ,

  {"id":"0-000009891526c0ad","key":"0-000009891526c0ad","value":"0-000009891526c0ad"}

  ,

  {"id":"0-00000ce845c00cbf","key":"0-00000ce845c00cbf","value":"0-00000ce845c00cbf"}

  ,

  {"id":"0-00000f7264c27ba6","key":"0-00000f7264c27ba6","value":"0-00000f7264c27ba6"}

  ,

  {"id":"0-0000104cd168386a","key":"0-0000104cd168386a","value":"0-0000104cd168386a"}

  ,

  {"id":"0-00002783bc5d1085","key":"0-00002783bc5d1085","value":"0-00002783bc5d1085"}

  ,

  {"id":"0-00004c3b8694276f","key":"0-00004c3b8694276f","value":"0-00004c3b8694276f"}

  ,

  {"id":"0-00004ea3c948ffe3","key":"0-00004ea3c948ffe3","value":"0-00004ea3c948ffe3"}

  ,

  {"id":"0-00004fb0041b47b8","key":"0-00004fb0041b47b8","value":"0-00004fb0041b47b8"}

  ],
  "errors":[

  {"from":"http://10.3.121.20:8092/_view_merge/?limit=10","reason":"timeout"}

  ,

  {"from":"http://10.3.121.15:8092/_view_merge/?limit=10","reason":"timeout"}

  ,

  {"from":"http://10.3.121.13:8092/_view_merge/?limit=10","reason":"timeout"}

  ]
  }

• Connection #0 to host 10.3.121.17 left intact
• Closing connection #0
  iryna@ubuntu:~/couchbase/testrunner$ curl -v 'http://10.3.121.13:8092/default/_design/d1/_view/v2?stale=update_after&connection_timeout=60000&limit=10&skip=0'
• About to connect() to 10.3.121.13 port 8092 (#0)
• Trying 10.3.121.13...
• connected
• Connected to 10.3.121.13 (10.3.121.13) port 8092 (#0)
  > GET /default/_design/d1/_view/v2?stale=update_after&connection_timeout=60000&limit=10&skip=0 HTTP/1.1
  > User-Agent: curl/7.26.0
  > Host: 10.3.121.13:8092
  > Accept: /
  >
  < HTTP/1.1 200 OK
  < Transfer-Encoding: chunked
  < Server: MochiWeb/1.0 (Any of you quaids got a smint?)
  < Date: Wed, 29 Aug 2012 01:34:35 GMT
  < Content-Type: text/plain;charset=utf-8
  < Cache-Control: must-revalidate
  <
  {"total_rows":10517139,"rows":[ {"id":"0-0000046792785dbe","key":"0-0000046792785dbe","value":"0-0000046792785dbe"}

  ,

  {"id":"0-00000586045f623e","key":"0-00000586045f623e","value":"0-00000586045f623e"}

  ,

  {"id":"0-00000ce845c00cbf","key":"0-00000ce845c00cbf","value":"0-00000ce845c00cbf"}

  ,

  {"id":"0-00000f7264c27ba6","key":"0-00000f7264c27ba6","value":"0-00000f7264c27ba6"}

  ,

  {"id":"0-0000104cd168386a","key":"0-0000104cd168386a","value":"0-0000104cd168386a"}

  ,

  {"id":"0-00002783bc5d1085","key":"0-00002783bc5d1085","value":"0-00002783bc5d1085"}

  ,

  {"id":"0-00002f9a9b2659cb","key":"0-00002f9a9b2659cb","value":"0-00002f9a9b2659cb"}

  ,

  {"id":"0-0000300773fe015f","key":"0-0000300773fe015f","value":"0-0000300773fe015f"}

  ,

  {"id":"0-00004c3b8694276f","key":"0-00004c3b8694276f","value":"0-00004c3b8694276f"}

  ,

  {"id":"0-00004ea3c948ffe3","key":"0-00004ea3c948ffe3","value":"0-00004ea3c948ffe3"}

  ],
  "errors":[

  {"from":"http://10.3.121.15:8092/_view_merge/?limit=10","reason":"timeout"}

  ]
  }

• Connection #0 to host 10.3.121.13 left intact
• Closing connection #0

iryna@ubuntu:~/couchbase/testrunner$ curl -v 'http://10.3.121.13:8092/default/_design/d1/_view/v2?stale=ok&connection_timeout=60000&limit=10&skip=0'

• About to connect() to 10.3.121.13 port 8092 (#0)
• Trying 10.3.121.13...
• connected
• Connected to 10.3.121.13 (10.3.121.13) port 8092 (#0)
  > GET /default/_design/d1/_view/v2?stale=ok&connection_timeout=60000&limit=10&skip=0 HTTP/1.1
  > User-Agent: curl/7.26.0
  > Host: 10.3.121.13:8092
  > Accept: /
  >
  < HTTP/1.1 200 OK
  < Transfer-Encoding: chunked
  < Server: MochiWeb/1.0 (Any of you quaids got a smint?)
  < Date: Wed, 29 Aug 2012 01:39:09 GMT
  < Content-Type: text/plain;charset=utf-8
  < Cache-Control: must-revalidate
  <
  {"total_rows":11597601,"rows":[ {"id":"0-0000046792785dbe","key":"0-0000046792785dbe","value":"0-0000046792785dbe"}

  ,

  {"id":"0-00000586045f623e","key":"0-00000586045f623e","value":"0-00000586045f623e"}

  ,

  {"id":"0-00000ce845c00cbf","key":"0-00000ce845c00cbf","value":"0-00000ce845c00cbf"}

  ,

  {"id":"0-00000f7264c27ba6","key":"0-00000f7264c27ba6","value":"0-00000f7264c27ba6"}

  ,

  {"id":"0-0000104cd168386a","key":"0-0000104cd168386a","value":"0-0000104cd168386a"}

  ,

  {"id":"0-00002783bc5d1085","key":"0-00002783bc5d1085","value":"0-00002783bc5d1085"}

  ,

  {"id":"0-00002f9a9b2659cb","key":"0-00002f9a9b2659cb","value":"0-00002f9a9b2659cb"}

  ,

  {"id":"0-0000300773fe015f","key":"0-0000300773fe015f","value":"0-0000300773fe015f"}

  ,

  {"id":"0-000048290a305419","key":"0-000048290a305419","value":"0-000048290a305419"}

  ,

  {"id":"0-00004e32a448b483","key":"0-00004e32a448b483","value":"0-00004e32a448b483"}

  ],
  "errors":[

  {"from":"http://10.3.121.22:8092/_view_merge/?stale=ok&limit=10","reason":"timeout"}

  ]
  }

• Connection #0 to host 10.3.121.13 left intact
• Closing connection #0

diags:
https://s3.amazonaws.com/packages.couchbase/diag-logs/large_cluster_2_0/9nodes-1645-view-error-timeout-20120828.tgz