container-server errors:
ERROR __call__ error with REPLICATE /device17/857/d64b8c8a337fc7c3efcf3cbe51cf06bf : #012Traceback (most recent call last):#012  File "/home/prod/lib/python2.7/site-packages/swift/container/server.py", line 898, in __call__#012    res = getattr(self, req.method)(req)#012  File "/home/prod/lib/python2.7/site-packages/swift/common/utils.py", line 2026, in _timing_stats#012    resp = func(ctrl, *args, **kwargs)#012  File "/home/prod/lib/python2.7/site-packages/swift/container/server.py", line 831, in REPLICATE#012    ret = self.replicator_rpc.dispatch(post_args, args)#012  File "/home/prod/lib/python2.7/site-packages/swift/common/db_replicator.py", line 888, in dispatch#012    self.broker_class(db_file, logger=self.logger), args)#012  File "/home/prod/lib/python2.7/site-packages/swift/container/replicator.py", line 384, in merge_shard_ranges#012    broker.merge_shard_ranges(args[0])#012  File "/home/prod/lib/python2.7/site-packages/swift/container/backend.py", line 1468, in merge_shard_ranges#012    return _really_merge_items(conn)#012  File "/home/prod/lib/python2.7/site-packages/swift/container/backend.py", line 1453, in _really_merge_items#012    for item in to_add.values()))#012  File "/home/prod/lib/python2.7/site-packages/swift/container/backend.py", line 1453, in <genexpr>#012    for item in to_add.values()))#012KeyError: 'tombstones'