DNS resolution issues when nodes are restarted on OCP 4
Issue
- During OCP updates,
java.net.UnknownHostExceptionintermitent errors are reported in OCP 4. - Problems with DNS during OpenShift 4 upgrade or nodes reboot.
- Prefer local dns does not work as expected on OCP 4.
Environment
- Red Hat OpenShift Container Platform (RHOCP)
- 4
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