From bootstrap logs – noticed below error for all blueprints; likely caused by network issue.

An error occurred on the server: 400: Invalid blueprint - None of the resolver rules [\{u'http://www.getcloudify.org/spec': u'file:///opt/manager/resources/spec'}, \{u'http://cloudify.co/spec': u'file:///opt/manager/resources/spec'}, \{u'https://www.getcloudify.org/spec': u'file:///opt/manager/resources/spec'}, \{u'https://cloudify.co/spec': u'file:///opt/manager/resources/spec'}] was applicable, failed to resolve the original import url: Import failed: Unable to open import url https://nexus.onap.org/service/local/repositories/raw/content/org.onap.dcaegen2.platform.plugins/R3/k8splugin/1.4.4/k8splugin_types.yaml; HTTPSConnectionPool(host='nexus.onap.org', port=443): Read timed out. (read timeout=10)

  in: /opt/manager/resources/k8s-snmptrap-f8a4c30a-9112-46ba-a65d-aaec77ee00bd/k8s-snmptrap.yaml