~|⇒  oc get clusterversion
oc gNAME      VERSION   AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.14.16   True        False         3d1h    Cluster version is 4.14.16
~|⇒  oc get no
NAME                                         STATUS   ROLES        AGE     VERSION
ip-10-31-76-114.aws6.cloud.xyz.org     Ready    worker       3d      v1.27.10+c79e5e2
ip-10-31-76-126.us-west-2.compute.internal   Ready    worker       128d    v1.27.10+c79e5e2
ip-10-31-76-155.us-west-2.compute.internal   Ready    worker       192d    v1.27.10+c79e5e2
ip-10-31-76-211.us-west-2.compute.internal   Ready    worker       29d     v1.27.10+c79e5e2
ip-10-31-78-203.aws6.cloud.xyz.org     Ready    worker       3d      v1.27.10+c79e5e2
ip-10-31-79-170.aws6.cloud.xyz.org     Ready    worker       2d19h   v1.27.10+c79e5e2
ip-10-31-80-163.aws6.cloud.xyz.org     Ready    worker       2d23h   v1.27.10+c79e5e2
ip-10-31-80-251.us-west-2.compute.internal   Ready    worker   2y59d   v1.27.10+c79e5e2
    

4.14.16    

All newly added nodes since the upgrade    

    1. Successful uggrade 4.14.16
    2. Scale up new nodes
    3. New nodes have incorrect nodename / hostname
    

Wrong hostname    

Consistent hostname