Kibana ReadonlyREST sends multiple requests to LDAP

In case of user provided incorrect password on login page - ReadonlyREST sends five (!) requests to LDAP.
And user immediately being blocked by our domain policy. It’s really annoying.
Could we somehow set count of requests to one?

ElasticSearch 5.2.2
Kibana 5.2.2

ReadonlyREST versions:
ElasticSearch plugin: 1.16.8
Kibana Plugin: readonlyrest_kbn@0.1.6-pre1