assert: [40] != [41] are not equal : not right number of chunks
Error: Printing Stack Trace
    at printStackTrace (src/mongo/shell/utils.js:37:7)
    at doassert (src/mongo/shell/utils.js:58:1)
    at Function.assert.eq (src/mongo/shell/utils.js:88:1)
    at /data/buildslaves/Linux_RHEL_64bit/mongo/jstests/sharding/shard_existing.js:30:8
Sat Nov 17 09:13:33.006 exec error: src/mongo/shell/utils.js:59 [40] != [41] are not equal : not right number of chunks
throw msg;
      ^
failed to load: /data/buildslaves/Linux_RHEL_64bit/mongo/jstests/sharding/shard_existing.js