[release-4.13] OCPBUGS-34998: Do not assume there is just a single kubelet systemd service

[openshift-cherrypick-robot]

This is an automated cherry-pick of #28620

/assign MarSik

[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-29970 has been cloned as Jira Issue OCPBUGS-34998. Will retitle bug to link to clone.
/retitle [release-4.13] OCPBUGS-34998: Do not assume there is just a single kubelet systemd service

In response to this:

This is an automated cherry-pick of #28620

/assign MarSik

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[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-34998, which is invalid:

• expected dependent Jira Issue OCPBUGS-29970 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is MODIFIED instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

This is an automated cherry-pick of #28620

/assign MarSik

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: openshift-cherrypick-robot
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[openshift-bot]

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Mark the issue as fresh by commenting /remove-lifecycle stale.
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/lifecycle stale

[openshift-bot]

Stale issues rot after 30d of inactivity.

Mark the issue as fresh by commenting /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.
Exclude this issue from closing by commenting /lifecycle frozen.

If this issue is safe to close now please do so with /close.

/lifecycle rotten
/remove-lifecycle stale

[MarSik]

/remove-lifecycle rotten
/retest

[openshift-ci]

@openshift-cherrypick-robot: all tests passed!

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