def cleanup(self):
        log.debug('ConCache cleaning up')
        if os.path.exists(self.cache_sock):
            os.remove(self.cache_sock)
        if os.path.exists(self.update_sock):
            os.remove(self.update_sock)
        if os.path.exists(self.upd_t_sock):
            os.remove(self.upd_t_sock)
remove sockets on shutdown
dataset/ETHPy150Open saltstack/salt/salt/utils/master.py/ConnectedCache.cleanup