Leapp upgrade fail in emergency mode if /etc/fstab has a partition entry to mount on Virtual Filesystem

Issue

• Leapp upgrade fail in emergency mode and either of below error is observered in /var/log/leapp/leapp-upgrade.log

  localhost upgrade[703]: ============================================================
  localhost upgrade[703]:                            ERRORS
  localhost upgrade[703]: ============================================================
  localhost upgrade[703]: 2024-08-24 10:04:16.150305 [ERROR] Actor: dnf_upgrade_transaction
  localhost upgrade[703]: Message: Cannot obtain data about the DNF configuration
  localhost upgrade[703]: Summary:
  localhost upgrade[703]:     Stderr: Failed to read link /sys/fs/cgroup/rdma: No such file or directory
  localhost upgrade[703]:     Stdout:
  localhost upgrade[703]: ============================================================
  localhost upgrade[703]:                        END OF ERRORS
  localhost upgrade[703]: ============================================================
  

  localhost upgrade[680]: ============================================================
  localhost upgrade[680]:                            ERRORS
  localhost upgrade[680]: ============================================================
  localhost upgrade[680]: 2024-09-02 08:48:41.633564 [ERROR] Actor: dnf_upgrade_transaction
  localhost upgrade[680]: Message: Cannot obtain data about the DNF configuration
  localhost upgrade[680]: Summary:
  localhost upgrade[680]:     Stderr: Failed to read link /sys/fs/cgroup/memory: No such file or directory
  localhost upgrade[680]:     Stdout:
  localhost upgrade[680]: ============================================================
  localhost upgrade[680]:                        END OF ERRORS
  localhost upgrade[680]: ============================================================