Taken from http://netatalk.sourceforge.net/wiki/index.php/Bonjour_record_adisk_adVF_values via the https://web.archive.org/web/20140421030824/http://netatalk.sourceforge.net:80/wiki/index.php/Bonjour_record_adisk_adVF_values
Starting with 10.9 TM requires the _adisk._tcp service name to exactly match the regular AFP _afpovertcp._tcp service name. Prior OSX versions didn't have that requirement.
List of adVF Bonjour records values:
- 0x01 = Volume supports AFP