These two things must not run together.
Dec 29 04:17:12 debian-buster-test remount-secure[410]: mount -o nosuid,nodev --bind /tmp /tmp
Dec 29 04:17:12 debian-buster-test permission-hardening[413]: /usr/lib/security-misc/permission-hardening: line 255: cannot create temp file for here-document: No such file or directory
Dec 29 04:17:12 debian-buster-test permission-hardening[413]: ERROR: cannot parse line: /usr/bin/sudo exactwhitelist
Can cause issues such as this:
How can a systemd unit alone without any others being executed at the very same time?