Leapp の事前アップグレードで "Inhibitor: Detected loaded kernel drivers which have been removed in RHEL 8. Upgrade cannot proceed." が表示される

Issue

• leapp preupgrade --target 8.x を実行するとアップグレードが阻害されます。

  Inhibitor: Detected loaded kernel drivers which have been removed in RHEL 8. Upgrade cannot proceed.
  

• /var/log/leapp/leapp-report.txt ファイルには以下が記録されています。

  Risk Factor: high (inhibitor)
  Title: Detected loaded kernel drivers which have been removed in RHEL 8. Upgrade cannot proceed.
  Summary: Support for the following RHEL 7 device drivers has been removed in RHEL 8: 
   - floppy
   - pata_acpi