$ grep avahi /var/log/boot.log
* Starting Reload cups, upon starting avahi-daemon to make sure remote queues are populated[ OK ]
* Starting Reload cups, upon starting avahi-daemon to make sure remote queues are populated[fail]
Package avahi-daemon is installed, but cups is not.
Happens in 14.04.1 LTS for me:
$ grep avahi /var/log/boot.log
* Starting Reload cups, upon starting avahi-daemon to make sure remote queues are populated[ OK ]
* Starting Reload cups, upon starting avahi-daemon to make sure remote queues are populated[fail]
Package avahi-daemon is installed, but cups is not.