Comment 14 for bug 1951033

I verified part 3 of the test case, that (an appropriately configured) unattended-upgrades upgrades an arm64 with libc6-lse without complaints:

new_user@ip-172-31-25-59:~/bench$ sudo unattended-upgrade -v
Could not figure out development release: Distribution data outdated. Please check for an update for distro-info-data. See /usr/share/doc/distro-info-data/README.Debian for details.
Starting unattended upgrades script
Allowed origins are: o=Ubuntu,a=focal, o=Ubuntu,a=focal-security, o=UbuntuESMApps,a=focal-apps-security, o=UbuntuESM,a=focal-infra-security, o=Ubuntu,a=focal-updates, o=Ubuntu,a=focal-proposed, o=LP-PPA-mwhudson-devirt,a=focal
Initial blacklist:
Initial whitelist (not strict):
Packages that will be upgraded: libc-dev-bin libc6 libc6-dev libc6-lse
Writing dpkg log to /var/log/unattended-upgrades/unattended-upgrades-dpkg.log
Preconfiguring packages ...
Preconfiguring packages ...
(Reading database ... 169897 files and directories currently installed.)
Preparing to unpack .../libc6-lse_2.31-0ubuntu9.9_arm64.deb ...
Unpacking libc6-lse:arm64 (2.31-0ubuntu9.9) over (2.31-0ubuntu9.7) ...
Preparing to unpack .../libc6-dev_2.31-0ubuntu9.9_arm64.deb ...
Unpacking libc6-dev:arm64 (2.31-0ubuntu9.9) over (2.31-0ubuntu9.7) ...
Preparing to unpack .../libc-dev-bin_2.31-0ubuntu9.9_arm64.deb ...
Unpacking libc-dev-bin (2.31-0ubuntu9.9) over (2.31-0ubuntu9.7) ...
Preparing to unpack .../libc6_2.31-0ubuntu9.9_arm64.deb ...
Unpacking libc6:arm64 (2.31-0ubuntu9.9) over (2.31-0ubuntu9.7) ...
Setting up libc6:arm64 (2.31-0ubuntu9.9) ...
Setting up libc6-lse:arm64 (2.31-0ubuntu9.9) ...
Setting up libc-dev-bin (2.31-0ubuntu9.9) ...
Setting up libc6-dev:arm64 (2.31-0ubuntu9.9) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for libc-bin (2.31-0ubuntu9.9) ...
All upgrades installed