https://github.com/openshift/origin/pull/21206 introduced updates to observe.sh test-cmd tests which updated a few cases to use a 10.3.0.0/16 CIDR instead of the original 172.30.0.0/16 CIDR. These changes need to be reverted as soon as the default CIDR range is fixed with the localup/master.
Origin PR: https://github.com/openshift/origin/pull/21463
Origin PR has merged
From perspective of functioning, this bug is not a `oc observe` function bug. It only affects user who cares `-a={.spec.clusterIP}` output. Nevertheless, still tested v4.0.0-0.130.0 `oc observe` case, it functions well https://openshift-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/Runner-v3/37544/console
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. https://access.redhat.com/errata/RHBA-2019:0758