What were you trying to do that didn't work?

virt-customize: --sm-register failed for rhel10 rhel-guest-image

Please provide the package NVR for which the bug is seen:

guestfs-tools-1.52.2-2.el10.x86_64
libguestfs-1.54.0-5.el10.x86_64

How reproducible is this bug?:

100%

Steps to reproduce

Download a rhel10.0 rhel-guest-image

1. virt-customize -a rhel-guest-image-10.0-20241208.0.x86_64.qcow2 --sm-register --sm-credentials QualityAssurance:password:$YourPassword --sm-attach auto
   This system is already registered. Use --force to override
   virt-customize: error: subscription-manager register: command exited with
   an error

Details refer to log file.

Expected results

virt-customize --sm-register works for rhel10 rhel-guest-image

Actual results:

1. virt-customize works well with rhel9 rhel-guest-image , but failed with rhel10 image