2017-11-28 16:18:47 provisioningserver.rackdservices.tftp: [info] ubuntu/amd64/ga-16.04/xenial/daily/boot-kernel requested by 00:25:90:49:0c:9c
2017-11-28 16:18:50 -: [critical] Unhandled Error
	Traceback (most recent call last):
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/application/app.py", line 364, in startReactor
	    self.config, oldstdout, oldstderr, self.profiler, reactor)
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/application/app.py", line 285, in runReactorWithLogging
	    reactor.run()
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/internet/base.py", line 1194, in run
	    self.mainLoop()
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/internet/base.py", line 1203, in mainLoop
	    self.runUntilCurrent()
	--- <exception caught here> ---
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/internet/base.py", line 825, in runUntilCurrent
	    call.func(*call.args, **call.kw)
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/tftp/util.py", line 81, in _call_and_schedule
	    self.callable(*self.callable_args, **self.callable_kwargs)
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/tftp/session.py", line 283, in sendData
	    self.transport.write(bytes)
	  File "/snap/maas/1315/usr/lib/python3/dist-packages/twisted/internet/udp.py", line 268, in write
	    return self.socket.send(datagram)
	builtins.AttributeError: 'Port' object has no attribute 'socket'