I get these quite often.  Is this from the miner connections or the Bitcoin-Qt connection?  Is it something I should worry about?

2014-01-16 18:59:38.826198 > Unhandled error in Deferred:
2014-01-16 18:59:38.826283 > Unhandled Error
2014-01-16 18:59:38.826316 > Traceback (most recent call last):
2014-01-16 18:59:38.826344 > Failure: twisted.internet.defer.TimeoutError: in ReplyMatcher

Thanks!