Comment 4 for bug 1737972

Setting up smokeping (2.7.3-2) ...
Installing new version of config file /etc/apache2/conf-available/smokeping.conf ...
Installing new version of config file /etc/init.d/smokeping ...
Installing new version of config file /etc/smokeping/basepage.html ...
Installing new version of config file /etc/smokeping/config.d/Presentation ...
Installing new version of config file /etc/smokeping/config.d/pathnames ...
Package apache2 is not configured yet. Will defer actions by package smokeping.
Created symlink /etc/systemd/system/multi-user.target.wants/smokeping.service → /lib/systemd/system/smokeping.service.
Setting up apache2-bin (2.4.41-1ubuntu1) ...
Setting up apache2 (2.4.41-1ubuntu1) ...
info: Executing deferred 'a2enmod cgi' for package smokeping
apache2: Syntax error on line 146 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/dnssd.load: Cannot load /usr/lib/apache2/modules/mod_dnssd.so into server: /usr/lib/apache2/modules/mod_dnssd.so: cannot open shared object file: No such file or directory
Your MPM seems to be threaded. Selecting cgid instead of cgi.
info: Executing deferred 'a2enconf smokeping' for package smokeping
Enabling conf smokeping.
Job for apache2.service failed because the control process exited with error code.
See "systemctl status apache2.service" and "journalctl -xe" for details.
invoke-rc.d: initscript apache2, action "restart" failed.
● apache2.service - The Apache HTTP Server
   Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Thu 2019-11-28 15:01:40 GMT; 5ms ago
     Docs: https://httpd.apache.org/docs/2.4/
  Process: 16421 ExecStart=/usr/sbin/apachectl start (code=exited, status=1/FAILURE)

Nov 28 15:01:40 dell systemd[1]: Starting The Apache HTTP Server...
Nov 28 15:01:40 dell apachectl[16421]: apache2: Syntax error on line 146 of /etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-enabled/dnssd.load: Cannot load /usr/lib/apache2/modules/mod_dnssd.so into server: /usr/lib/apache2/modules/mod_dnssd.so: cannot open shared object file: No such file or directory
Nov 28 15:01:40 dell apachectl[16421]: Action 'start' failed.
Nov 28 15:01:40 dell apachectl[16421]: The Apache error log may have more information.
Nov 28 15:01:40 dell systemd[1]: apache2.service: Control process exited, code=exited, status=1/FAILURE
Nov 28 15:01:40 dell systemd[1]: apache2.service: Failed with result 'exit-code'.
Nov 28 15:01:40 dell systemd[1]: Failed to start The Apache HTTP Server.
Processing triggers for ufw (0.36-1ubuntu3) ...
Processing triggers for systemd (242-7ubuntu3) ...
Processing triggers for man-db (2.8.7-3) ...
Processing triggers for doc-base (0.10.9) ...
Processing 1 added doc-base file...
Processing triggers for libc-bin (2.30-0ubuntu2) ...