rhel8.4: When executing targetctl restore, error messages are output

Issue

• This is a regression issue. This issue does not occur on RHEL8.3.
• When executing targetctl restore with the following steps, the following messages were output.
  • 1) Save the iSCSI target configuration information with targetctl save command.
  • 2) Deleted the configuration with targetctl clear command.
  • 3) Restore the target information saved with targetctl restore command.

Storage Object block/storage1: Cannot set attribute alua_support: [Errno 22] Invalid argument, skipped
Storage Object block/storage1: Cannot set attribute pgr_support: [Errno 22] Invalid argument, skipped