Sorry there is a typo, I meant to say :
"BTW, when preflight check FAILED, the message is good, like:"
Checked with latest image:
brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-deployer 3.3.0 d2564383e350 9 hours ago 757.6 MB
brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-heapster 3.3.0 4cfa2083950e 14 hours ago 287 MB
brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-hawkular-metrics 3.3.0 3ab97c3f7395 2 weeks ago 1.663 GB
brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-cassandra 3.3.0 f460976d4f99 2 weeks ago 837.8 MB
The unreadable diag message has been removed:
PREFLIGHT CHECK SUCCEEDED
validate_hostname: The HAWKULAR_METRICS_HOSTNAME value is deemed acceptable.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.