DNF が Red Hat Satellite 6 に接続されているシステムに対して "package perl-libs-4:5.26.3-416.el8.x86_64 is filtered out by modular filtering" エラーを出力する

Issue

• dnf install または update コマンドが機能せず、依存関係の競合により失敗します。以下に例を示します。

  # dnf update
  Updating Subscription Management repositories.
  Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)                                                                                                        56 kB/s | 2.8 kB     00:00
  Red Hat Satellite Tools 6.7 for RHEL 8 x86_64 (RPMs)                                                                                                            43 kB/s | 2.1 kB     00:00
  Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs)                                                                                                           49 kB/s | 2.4 kB     00:00
  Red Hat Enterprise Linux 8 for x86_64 - Supplementary (RPMs)                                                                                                    46 kB/s | 2.1 kB     00:00
  Error:
  Problem 1: cannot install both perl-libs-4:5.30.1-451.module+el8.3.0+6961+31ca2e7a.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64
   - package net-snmp-1:5.8-18.el8_3.1.x86_64 requires libperl.so.5.26()(64bit), but none of the providers can be installed
   - cannot install the best update candidate for package perl-libs-4:5.26.3-416.el8.x86_64
   - cannot install the best update candidate for package net-snmp-1:5.8-14.el8_2.1.x86_64
   - package perl-libs-4:5.26.3-416.el8.x86_64 is filtered out by modular filtering
   - package perl-libs-4:5.26.3-417.el8_3.x86_64 is filtered out by modular filtering
  ...
  ...