Comment 10 for bug 1376483

In trying to enlist and commission a Tuleta Power8 machine with MAAS 1.9.4, I get the following and cannot seem to find a way to get the machine to enlist.

# package version info
ubuntu@lescina:/var/log/maas$ apt-cache policy maas
maas:
  Installed: 1.9.4+bzr4592-0ubuntu1~trusty1
  Candidate: 1.9.4+bzr4592-0ubuntu1~trusty1
  Version table:
 *** 1.9.4+bzr4592-0ubuntu1~trusty1 0
        500 http://ppa.launchpad.net/maas/proposed/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
     1.9.4+bzr4592-0ubuntu1~14.04.1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     1.5.4+bzr2294-0ubuntu1.2 0
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     1.5+bzr2252-0ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

# clusterd.log
2016-10-02 00:34:06+0000 [RemoteOriginReadSession (UDP)] (UDP Port 45741 Closed)
2016-10-02 00:34:06+0000 [RemoteOriginReadSession (UDP)] Stopping protocol <tftp.bootstrap.RemoteOriginReadSession instance at 0x7ffaa1206b48>
2016-10-02 00:34:06+0000 [RemoteOriginReadSession (UDP)] Final ACK received, transfer successful
2016-10-02 00:34:06+0000 [-] (UDP Port 47215 Closed)
2016-10-02 00:34:06+0000 [-] Stopping protocol <tftp.bootstrap.RemoteOriginReadSession instance at 0x7ffaa120ccb0>
2016-10-02 00:34:07+0000 [-] Unhandled Error
        Traceback (most recent call last):
          File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 392, in startReactor
            self.config, oldstdout, oldstderr, self.profiler, reactor)
          File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 313, in runReactorWithLogging
            reactor.run()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 1192, in run
            self.mainLoop()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 1201, in mainLoop
            self.runUntilCurrent()
        --- <exception caught here> ---
          File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 824, in runUntilCurrent
            call.func(*call.args, **call.kw)
          File "/usr/lib/python2.7/dist-packages/tftp/util.py", line 80, in _call_and_schedule
            self.callable(*self.callable_args, **self.callable_kwargs)
          File "/usr/lib/python2.7/dist-packages/twisted/internet/udp.py", line 254, in write
            return self.socket.send(datagram)
        exceptions.AttributeError: 'Port' object has no attribute 'socket'