Comment 14 for bug 1599646

Verified with unattended-upgrades/1.1ubuntu1.18.04.7~16.04.2 on Xenial:

https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/amd64/u/unattended-upgrades/20190228_150449_11313@/log.gz

...
Packages with upgradable origin but kept back:
 isc-dhcp-client isc-dhcp-common

Packages that were auto-removed:
 libmircommon5

Package installation log:
Log started: 2019-02-28 14:34:48
Preparing to unpack .../distro-info-data_0.28ubuntu0.9_all.deb ...
Unpacking distro-info-data (0.28ubuntu0.9) over (0.28) ...
Setting up distro-info-data (0.28ubuntu0.9) ...
Log ended: 2019-02-28 14:34:48

Log started: 2019-02-28 14:34:49
Preparing to unpack .../procps_2%3a3.3.10-4ubuntu2.4_amd64.deb ...
Running in chroot, ignoring request.
Unpacking procps (2:3.3.10-4ubuntu2.4) over (2:3.3.10-4ubuntu2) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for systemd (229-4ubuntu4) ...
Setting up procps (2:3.3.10-4ubuntu2.4) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
Log ended: 2019-02-28 14:34:50
...