[js_test:sync_passive2] 2015-09-11T02:52:48.392+0000  m20012| 2015-09-11T02:52:48.390+0000 I REPL     [SyncSourceFeedback] setting syncSourceFeedback to ip-10-233-128-208:20013
[js_test:sync_passive2] 2015-09-11T02:52:48.392+0000  m20012| 2015-09-11T02:52:48.391+0000 I REPL     [rsBackgroundSync] starting rollback: RemoteOplogStale we are ahead of the sync source, will try to roll back
[js_test:sync_passive2] 2015-09-11T02:52:48.396+0000  m20012| 2015-09-11T02:52:48.396+0000 F REPL     [rsBackgroundSync] need to rollback, but in inconsistent state
[js_test:sync_passive2] 2015-09-11T02:52:48.396+0000  m20012| 2015-09-11T02:52:48.396+0000 I -        [rsBackgroundSync] Fatal assertion 28723 UnrecoverableRollbackError need to rollback, but in inconsistent state. minvalid: (term: -1, timestamp: Sep 11 02:52:48:2) our last optime: (term: -1, timestamp: Sep 11 02:52:48:1) @ 18750
[js_test:sync_passive2] 2015-09-11T02:52:48.397+0000  m20012| 2015-09-11T02:52:48.396+0000 I -        [rsBackgroundSync]
[js_test:sync_passive2] 2015-09-11T02:52:48.397+0000  m20012|
[js_test:sync_passive2] 2015-09-11T02:52:48.397+0000  m20012| ***aborting after fassert() failure