Checking valid fernet expiry only need to run once
Checking valid fernet expiry only need to run once

TrivialFix

Change-Id: I4e84ac4e51a976ad132aa78b175855bed1d4bb20

intel-onp/kolla,stackforge/kolla,GalenMa/kolla,coolsvap/kolla,mandre/kolla,dardelean/kolla-ansible,mandre/kolla,nihilifer/kolla,stackforge/kolla,dardelean/kolla-ansible,openstack/kolla,coolsvap/kolla,stackforge/kolla,rahulunair/kolla,mrangana/kolla,mandre/kolla,intel-onp/kolla,mrangana/kolla,coolsvap/kolla,dardelean/kolla-ansible,rahulunair/kolla,openstack/kolla,GalenMa/kolla,nihilifer/kolla