Removing lines that appear to only cause error messages

These are the lines that show up in the logs:

*** Running /etc/my_init.d/firstrun.sh...
chown: invalid user: 'messagebus:messagebus'
/etc/my_init.d/firstrun.sh: line 5: dbus-uuidgen: command not found
/etc/my_init.d/firstrun.sh: line 6: dbus-daemon: command not found
/etc/my_init.d/firstrun.sh: line 9: avahi-daemon: command not found
Version not specified.