Red Hat Bugzilla – 1918494 – Disconnected cluster upgrades are failing from the cli, when signature retrieval is being blackholed instead of quickly rejected
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 4.6.18 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-2021:0510