xenial desktop:

qemu: terminating on signal 15 from pid 21130
adt-run [22:24:25]: ERROR: testbed failure: sent `copydown ./// /tmp/adt-run.t9BaZS/ubtree-/', got `timeout', expected `ok...'

Full log:
https://paste.ubuntu.com/14863386/

xenial on canonistack:

[...]
[ 3588.623644] cloud-init[1320]: Purging configuration files for xdg-user-dirs (0.15-2ubuntu5) ...
[ 3588.720974] cloud-init[1320]: Processing triggers for man-db (2.7.5-1) ...
timed out on cloud-init
qemu-system-x86_64: terminating on signal 15 from pid 4944

Full log:
http://paste.ubuntu.com/14863338/