etcd container exiting with error "please delete the contents of data directory before restoring, running the restore script will do this for you" after the execution of script "cluster-restore.sh"

Issue

• After the execution of the script cluster-restore.sh as part of the etcd restore procedure, the etcd restore container on the recovery host is exiting with error please delete the contents of data directory before restoring, running the restore script will do this for you
• After the execution of the script cluster-restore.sh, any oc command (for example, oc get nodes) is exiting the error Unable to connect to the server: EOF