systemd at apport failures

[Martin Vysny]

After experiencing https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896446 systemd suddenly started to eat 100% of CPU, logging lots of

```
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Start request repeated too quickly.
syys 21 11:45:58 mavi-vaadin systemd[1]: apport-autoreport.service: Failed with result 'start-limit-hit'.
syys 21 11:45:58 mavi-vaadin systemd[1]: Failed to start Process error reports when automatic reporting is enabled.

```

It looks like a duplicite of https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1895631, however I was unable to persuade launchpad to add additional info to that very bug, therefore I've opened a new one :)

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: apport 2.20.11-0ubuntu45
ProcVersionSignature: Ubuntu 5.8.0-18.19-generic 5.8.4
Uname: Linux 5.8.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu45
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 21 11:49:06 2020
InstallationDate: Installed on 2016-09-05 (1476 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitecture: all
SourcePackage: apport
UpgradeStatus: No upgrade log present (probably fresh install)