leapp preupgrade command fails with this error: /etc/leapp/files/unsupported_driver_names.json is invalid

Issue

• During in-place upgrade in a Satellite client or offline system, leapp preupgrade command fails with the error below:

  Summary:
  Details: Could not fetch unsupported_driver_names.json from https://cert.cloud.redhat.com/api/pes/unsupported_driver_names.json (unreachable address).
  Hint: Read documentation at: https://access.redhat.com/articles/3664871 for more information about how to retrieve the file.
  

• Following message is found in /var/log/leapp/leapp-report.txt

  Risk Factor: high
  Title: Data file /etc/leapp/files/unsupported_driver_names.json is invalid or could not be retrieved.
  Summary: {"details": "Could not fetch unsupported_driver_names.json from https://cert.cloud.redhat.com/api/pes/unsupported_driver_names.json (unreachable address).", "hint": "Read documentation at: https://access.redhat.com/articles/3664871 for more information about how to retrieve the file."}
  

• Updated metadata file leapp-dataXX.tar.gz is already downloaded from Leapp utility metadata in-place upgrades of RHEL for disconnected upgrades and is extracted to /etc/leapp/files.