Comment 1 for bug 1978456

It looks like ths issue is actually an error when building the image:
https://logserver.rdoproject.org/openstack-periodic-integration-main/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-9-ovb-1ctlr_1comp-featureset002-master/eaefbe0/logs/undercloud/home/zuul/overcloud-hardened-uefi-full.log.txt.gz

2022-06-11 17:38:56.420 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: Logical volume vg/lv_root contains a filesystem in use. exec_sudo /usr/lib/python3.9/site-packages/diskimage_builder/block_device/utils.py:135
2022-06-11 17:38:56.446 | Traceback (most recent call last):
2022-06-11 17:38:56.446 | File "/usr/lib/python3.9/site-packages/diskimage_builder/lib/dib-block-device.py", line 7, in <module>
2022-06-11 17:38:56.446 | sys.exit(main())
2022-06-11 17:38:56.446 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/cmd.py", line 120, in main
2022-06-11 17:38:56.450 | return bdc.main()
2022-06-11 17:38:56.450 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/cmd.py", line 115, in main
2022-06-11 17:38:56.450 | self.args.func()
2022-06-11 17:38:56.450 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/cmd.py", line 39, in cmd_umount
2022-06-11 17:38:56.450 | self.bd.cmd_umount()
2022-06-11 17:38:56.450 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/blockdevice.py", line 442, in cmd_umount
2022-06-11 17:38:56.453 | node.umount()
2022-06-11 17:38:56.453 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/level1/lvm.py", line 284, in umount
2022-06-11 17:38:56.454 | lvs._umount()
2022-06-11 17:38:56.454 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/level1/lvm.py", line 217, in _umount
2022-06-11 17:38:56.454 | exec_sudo(['lvchange', '-an',
2022-06-11 17:38:56.455 | File "/usr/lib/python3.9/site-packages/diskimage_builder/block_device/utils.py", line 143, in exec_sudo
2022-06-11 17:38:56.456 | raise e
2022-06-11 17:38:56.456 | diskimage_builder.block_device.exception.BlockDeviceSetupException: exec_sudo failed

I belive the iPXE output is what we expect when no introspection/node provisioning is active.