errors that should fail the change and errors that should be queued.
The previous logic was very Stanford-specific.
+ krb5-sync-backend now requires the IPC::Run and Net::Remctl::Backend
+ modules be installed. The former is available from CPAN, and the
+ latter is available from the remctl package (version 3.4 or later).
+
krb5-sync-backend supports a new flag, -d, which specifies the
location of the queue directory, changing the default of
/var/spool/krb5-sync.