Handle outdated encrypted ccaches
When the encrypting keytab changes, all credentials that it was used
to encrypt must be re-created. Otherwise, we log obtuse messages and
fail to do what the user wants.
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Merges: #214