This worrisome bit showed up in /var/log/maas/rackd.log:
2016-09-28 14:12:47 [sstreams] INFO: maas:v2:download/maas:boot:ubuntu:amd64:hwe-x:xenial: to_add=['20160927'] to_remove=[]
2016-09-28 14:12:47 [sstreams] INFO: maas:v2:download/maas:boot:ubuntu:amd64:hwe-y:yakkety: to_add=['20160927'] to_remove=[]
<STDIN> line 1: 2001 exceeds max (255) for precision.
set ip-address = 2001:
^
<STDIN> line 1: 67c exceeds max (255) for precision.
set ip-address = 2001:67c:
^
<STDIN> line 1: 1562 exceeds max (255) for precision.
set ip-address = 2001:67c:1562:
^
<STDIN> line 1: 8010 exceeds max (255) for precision.
set ip-address = 2001:67c:1562:8010:
^
2016-09-28 14:16:43 [TFTP (UDP)] Datagram received from ('2001:67c:1562:8010:1::8ce2', 1572): <RRQDatagram(filename=b'/bootx64.efi', mode=b'octet', options=OrderedDict([(b'tsize', b'0'), (b'blksize', b'1228')]))>
2016-09-28 14:16:43 [-] RemoteOriginReadSession starting on 55813
2016-09-28 14:16:43 [-] Starting protocol <tftp.bootstrap.RemoteOriginReadSession object at 0x7f06a1062e10>
2016-09-28 14:16:43 [RemoteOriginReadSession (UDP)] Got error: <tftp.datagram.ERRORDatagram object at 0x7f06a109e8d0>
2016-09-28 14:16:43 [-] (UDP Port 55813 Closed)
2016-09-28 14:16:43 [-] Stopping protocol <tftp.bootstrap.RemoteOriginReadSession object at 0x7f06a1062e10>
2016-09-28 14:16:43 [TFTP (UDP)] Datagram received from ('2001:67c:1562:8010:1::8ce2', 1574): <RRQDatagram(filename=b'/bootx64.efi', mode=b'octet', options=OrderedDict([(b'blksize', b'1228')]))>
This bug has not seen any activity in the last 6 months, so it is being automatically closed.
If you are still experiencing this issue, please feel free to re-open.
MAAS Team