Comment 5 for bug 1639977

Verification passed in Xenial:

After this operation, 0 B of additional disk space will be used.
Get:1 http://192.168.10.7/ubuntu xenial-proposed/main amd64 unattended-upgrades all 0.90ubuntu0.2 [31.7 kB]
Fetched 31.7 kB in 0s (0 B/s)
Preconfiguring packages ...
(Reading database ... 245059 files and directories currently installed.)
Preparing to unpack .../unattended-upgrades_0.90ubuntu0.2_all.deb ...
Unpacking unattended-upgrades (0.90ubuntu0.2) over (0.90) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for systemd (229-4ubuntu10) ...
Processing triggers for ureadahead (0.100.0-19) ...
Setting up unattended-upgrades (0.90ubuntu0.2) ...
Replacing config file /etc/apt/apt.conf.d/50unattended-upgrades with new version
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
bdmurray@clean-xenial-amd64:~$ sudo /usr/bin/unattended-upgrade