Etcd upgrade fails with DNS clash in OCP on Azure
Issue
- OpenShift upgrade failed with the following error
EtcdMemberIPMigratorDegraded: unable to locate a node for peerURL=https://etcd-2.example.com:2380, dnsErrors=lookup _etcd-server-ssl._tcp.example.com on 172.30.0.10:53: no such host
- The upgrade failed with the above error and did not proceed ahead
Environment
- Red Hat OpenShift Container Platform
- 4.4
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