<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def clientConnectionFailed(self, connector, reason):
 """ Overridden twisted callback which is called when the connection attempt fails. """

        log.debug("Connect failed: %s", reason)
        self.conn.defunct(reason.value)