During join a kerberos keytab of the host principal (/etc/krb5.keytab) should be created. This would be helpful in various cases e.g. Ubuntu Server or NFS mounts protected by kerberos.
Thanks for the bug report, you are right.
This issue has been filed against UCS 4.4. UCS 4.4 is out of general maintenance and components may have vastly changed in later releases. Thus, this issue is now being closed. If this issue still occurs in newer versions, please use "Clone this bug" or reopen this issue. In this case please provide detailed information on how this issue is affecting you.