Customer is in disconnected environment.
A jenkins image pull is chaining a second pull with this error:


Warning  Failed          27s                kubelet            Failed to pull image "jenkins/inbound-agent:3142.vcfca_0cd92128-1": rpc error: code = Unknown desc = pinging container registry registry-1.docker.io: Get "https://registry-1.docker.io/v2/": dial tcp: lookup registry-1.docker.io on xx.xx.xx.xx:53: no such host

Even defining this ImageTagMirrorSet:

apiVersion: config.openshift.io/v1 
kind: ImageTagMirrorSet 
metadata:
  name: jenkins
spec:
  imageTagMirrors: 
  - mirrors:
    - <customer mirrored registry>/jenkins/inbound-agent
    source: registry-1.docker.io/jenkins/inbound-agent 
    mirrorSourcePolicy: AllowContactingSource 

the image is not pulled from their registry

4.14