Create and bind the ZAP socket

def start(self):
        """Create and bind the ZAP socket"""
        self.zap_socket = self.context.socket(zmq.REP)
        self.zap_socket.linger = 1
        zapLoc = 'inproc://zeromq.zap.{}'.format(MultiZapAuthenticator.count)
        self.zap_socket.bind(zapLoc)
        self.log.debug('Starting ZAP at {}'.format(zapLoc))