I checked the etcd operator log, the log size is make sense as my watching.verified with 4.5.0-0.nightly-2020-11-22-160319
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 (Moderate: OpenShift Container Platform 4.5.21 bug fix and security 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.