Comment 4 for bug 1649959

Right. apport wouldn't know to grab U-U logs for an apt bug. Attached. Also below is the journal snippet that lead me to conclude that system unit updates were responsible:

Dec 14 02:40:02 sphinx systemd[1]: Reloading.
Dec 14 02:40:02 sphinx systemd[1]: snapd.refresh.timer: Adding 10min 24.692802s random time.
Dec 14 02:40:02 sphinx systemd[1]: Reloading.
Dec 14 02:40:02 sphinx systemd[1]: snapd.refresh.timer: Adding 1h 3min 1.020974s random time.
Dec 14 02:40:02 sphinx systemd[1]: Stopped Daily apt activities.
-- Subject: Unit apt-daily.service has finished shutting down
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit apt-daily.service has finished shutting down.
Dec 14 02:40:02 sphinx systemd[1]: apt-daily.timer: Adding 7h 38min 41.241571s random time.
Dec 14 02:40:02 sphinx systemd[1]: apt-daily.timer: Adding 2h 14.441752s random time.
Dec 14 02:40:02 sphinx systemd[1]: Starting Daily apt activities...
-- Subject: Unit apt-daily.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit apt-daily.service has begun starting up.
Dec 14 02:40:02 sphinx systemd[1]: Started Daily apt activities.
-- Subject: Unit apt-daily.service has finished start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit apt-daily.service has finished starting up.
--
-- The start-up result is done.
Dec 14 02:40:02 sphinx systemd[1]: apt-daily.timer: Adding 10h 59min 12.586084s random time.
Dec 14 02:40:02 sphinx systemd[1]: apt-daily.timer: Adding 7h 36min 31.098210s random time.