code: def connect(self, service_name):
          
          self.close()
          self.socket = nfc.llcp.Socket(self.llc, nfc.llcp.DATA_LINK_CONNECTION)
          self.socket.connect(service_name)
          self.send_miu = self.socket.getsockopt(nfc.llcp.SO_SNDMIU)
docs: Connect to a SNEP server. This needs only be called to
          connect to a server other than the Default SNEP Server at
          `urn:nfc:sn:snep` or if the client wants to send multiple
          requests with a single connection.