Comment 16 for bug 2020474

Seems this has now made its way downstream to openssh-server 9.0 (on a different box):

The following packages will be upgraded:
  openssh-client openssh-server openssh-sftp-server
3 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 1295 kB of archives.
After this operation, 65.5 kB disk space will be freed.
Do you want to continue? [Y/n]
Get:1 http://ca.ports.ubuntu.com/ubuntu-ports lunar-proposed/main arm64 openssh-sftp-server arm64 1:9.0p1-1ubuntu8.2 [36.0 kB]
Get:2 http://ca.ports.ubuntu.com/ubuntu-ports lunar-proposed/main arm64 openssh-server arm64 1:9.0p1-1ubuntu8.2 [409 kB]
Get:3 http://ca.ports.ubuntu.com/ubuntu-ports lunar-proposed/main arm64 openssh-client arm64 1:9.0p1-1ubuntu8.2 [849 kB]
Fetched 1295 kB in 1s (921 kB/s)
Preconfiguring packages ...
(Reading database ... 104735 files and directories currently installed.)
Preparing to unpack .../openssh-sftp-server_1%3a9.0p1-1ubuntu8.2_arm64.deb ...
Unpacking openssh-sftp-server (1:9.0p1-1ubuntu8.2) over (1:9.0p1-1ubuntu8.1) ...
Preparing to unpack .../openssh-server_1%3a9.0p1-1ubuntu8.2_arm64.deb ...
Unpacking openssh-server (1:9.0p1-1ubuntu8.2) over (1:9.0p1-1ubuntu8.1) ...
Preparing to unpack .../openssh-client_1%3a9.0p1-1ubuntu8.2_arm64.deb ...
Unpacking openssh-client (1:9.0p1-1ubuntu8.2) over (1:9.0p1-1ubuntu8.1) ...
Setting up openssh-client (1:9.0p1-1ubuntu8.2) ...
Setting up openssh-sftp-server (1:9.0p1-1ubuntu8.2) ...
Setting up openssh-server (1:9.0p1-1ubuntu8.2) ...
rescue-ssh.target is a disabled or a static unit not running, not starting it.
Could not execute systemctl: at /usr/bin/deb-systemd-invoke line 145.
dpkg: error processing package openssh-server (--configure):
 installed openssh-server package post-installation script subprocess returned error exit status 1
Processing triggers for man-db (2.11.2-1) ...
Processing triggers for ufw (0.36.1-4.1) ...
Errors were encountered while processing:
 openssh-server
needrestart is being skipped since dpkg has failed
E: Sub-process /usr/bin/dpkg returned an error code (1)

Should I cut a new bug for this? It's a different arch and a different version of Ubuntu, but it's the exact same symptom (and, likely, cause).