Comment 67 for bug 1690980

@Balint

Here is my test result: (InstallOnShutdown:true)

Packages will be installed when rebooting system.
I rebooted system five times, but system still didn't finish the update.
It took too long to finish online update.

Timestamp: (reboot system)
1. 2017-09-14 13:57:00,998
2. 2017-09-14 14:32:26,172
3. 2017-09-14 15:20:41,267
4. 2017-09-14 16:00:18,694
5. 2017-09-14 16:36:47,174
(Please check full log as attached)

$ apt-config dump
Unattended-Upgrade::InstallOnShutdown "true";

Installed packages:
apt_1.2.25-rbalint2_amd64.deb
apt-doc_1.2.25-rbalint2_all.deb
apt-transport-https_1.2.25-rbalint2_amd64.deb
apt-utils_1.2.25-rbalint2_amd64.deb
libapt-inst2.0_1.2.25-rbalint2_amd64.deb
libapt-pkg5.0_1.2.25-rbalint2_amd64.deb
libapt-pkg-doc_1.2.25-rbalint2_all.deb
unattended-upgrades_0.96ubuntu1-16.04.1_all.deb