This bug was fixed in the package rsyslog - 8.32.0-1ubuntu3
---
rsyslog (8.32.0-1ubuntu3) bionic; urgency=medium
* tmpfiles.d: Let var.conf to create /var/log with 'd' directive, and
only adjust the permissions of /var/log with 'z' directive, thus
avoiding warnings about
** Also affects: rsyslog (Ubuntu Bionic)
Importance: High
Status: Fix Committed
** Also affects: systemd (Ubuntu Bionic)
Importance: Undecided
Status: Invalid
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
** Also affects: rsyslog (Ubuntu)
Importance: Undecided
Status: New
** Changed in: systemd (Ubuntu)
Status: New => Invalid
** Changed in: rsyslog (Ubuntu)
Status: New => Confirmed
** Changed in: rsyslog (Ubuntu)
Importance: Undecided => High
** Changed in: rsyslog
$ dpkg -l systemd rsyslog | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description