Do not find in the latest payload 4.5.0-0.nightly-2020-09-27-230429, will verify this again tomorrow.
Verified bug with payload below and i do not see any connection refused messages when the local api server is down on the same node where KCM is the leader. [ramakasturinarra@dhcp35-60 ~]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.5.0-0.nightly-2020-09-28-124031 True False 3h1m Cluster version is 4.5.0-0.nightly-2020-09-28-124031 Based on the above moving bug to verified state.
*** Bug 1887431 has been marked as a duplicate of this bug. ***
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 (OpenShift Container Platform 4.5.14 bug fix update), 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-2020:3843