Account for incorrect entries through cbepctl

Context: access_scanner_enabled
Relates to: http://review.couchbase.org/#/c/40884/

Change-Id: I35134c91ed03f6ba6093cfd71270484beca1a4cd
Reviewed-on: http://review.couchbase.org/42083
Reviewed-by: Chiyoung Seo <chiyoung@couchbase.com>
Tested-by: abhinav dangeti <abhinav@couchbase.com>