CNV#52365: a few minor bugfixes from IBM Z team

[ousleyp]

Version(s): as far back as is feasible (4.12+?)

Issue: CNV-52365

Link to docs preview:

QE review:

• QE has approved this change.

Additional information: These are a few minor bug fixes that were brought to our attention by the folks working on s390x updates.

[ocpdocs-previewbot]

🤖 Wed Mar 19 15:27:57 - Prow CI generated the docs preview:

https://88931--ocpdocs-pr.netlify.app/openshift-enterprise/latest/virt/monitoring/virt-exposing-downward-metrics.html
https://88931--ocpdocs-pr.netlify.app/openshift-enterprise/latest/virt/vm_networking/virt-connecting-vm-to-linux-bridge.html

[bergerhoffer]

The branch/enterprise-4.19 label has been added to this PR.

This is because your PR targets the main branch and is labeled for enterprise-4.18. And any PR going into main must also target the latest version branch (enterprise-4.19).

If the update in your PR does NOT apply to version 4.19 onward, please re-target this PR to go directly into the appropriate version branch or branches (enterprise-4.x) instead of main.

[openshift-ci]

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