stop worker threads before resetting owned brokers'
stop worker threads before resetting owned brokers'

benauthor/pykafka,benauthor/pykafka,benauthor/pykafka,wikimedia/operations-debs-python-pykafka,thedrow/samsa,thedrow/samsa,thedrow/samsa,yungchin/pykafka,wikimedia/operations-debs-python-pykafka,wikimedia/operations-debs-python-pykafka,yungchin/pykafka