Ticket #48410 - 389-ds-base - Unable to remove / unregister a DS instance from admin server
Description: In check_and_add_entry (DSUtil.pm), if the operation is delete,
$subentry is exhausted. Thus, the do loop should be finished there without
calling $conn->nextEntry(), which causes the assertion failure in perl-Mozilla-
LDAP.
https://fedorahosted.org/389/ticket/48410
Reviewed by mreynolds@redhat.com (Thank you, Mark!!)