When attempting servicing, it fails with error similar to: Failed to prepare node 60b0997a-e942-43c3-868c-5a3b3c3c4088 for service: Validation of image href http://metal3-image-customization-service.openshift-machine-api.svc.cluster.local/2b5d92b1-0f03-4958-a382-f15228250918 failed. The issue often happens in two-worker clusters when one worker is taken offline for servicing. Similar has been observed in three-worker cluster with two taken offline for servicing.

    

 4.18

    

 Nearly always

    

    1. deploy a two-worker cluster (e.g. with dev-scripts)
    2. attempt servicing according to https://book.metal3.io/bmo/live_updates_servicing
    3. watch operational status of the node for "servicing error"
    

 servicing fails

    

 servicing works reliably