[release-4.21] OCPBUGS-84481: MCS fallback to latest v3

[openshift-cherrypick-robot]

This is an automated cherry-pick of #5816

/assign pablintino

[openshift-merge-bot]

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[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-80970 has been cloned as Jira Issue OCPBUGS-84481. Will retitle bug to link to clone.
/retitle [release-4.21] OCPBUGS-84481: MCS fallback to latest v3

Details

In response to this:

This is an automated cherry-pick of #5816

/assign pablintino

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-84481, which is valid. The bug has been moved to the POST state.

7 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.21.z) matches configured target version for branch (4.21.z)
• bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)
• release note type set to "Release Note Not Required"
• dependent bug Jira Issue OCPBUGS-80970 is in the state Verified, which is one of the valid states (VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA))
• dependent Jira Issue OCPBUGS-80970 targets the "4.22.0" version, which is one of the valid target versions: 4.22.0
• bug has dependents

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

Details

In response to this:

This is an automated cherry-pick of #5816

/assign pablintino

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[isabella-janssen]

/lgtm
/label backport-risk-assessed

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: isabella-janssen, openshift-cherrypick-robot

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Details

Needs approval from an approver in each of these files:

• OWNERS [isabella-janssen]

Approvers can indicate their approval by writing /approve in a comment
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[isabella-janssen]

/test all

[pablintino]

/retest-required

[pablintino]

/test all

[openshift-ci]

@openshift-cherrypick-robot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-gcp-op-ocl	c24449d	link	false	/test e2e-gcp-op-ocl

Full PR test history. Your PR dashboard.

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[pablintino]

/verified later @pablintino

[openshift-ci-robot]

@pablintino: This PR has been marked to be verified later by @pablintino.

Details

In response to this:

/verified later @pablintino

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[isabella-janssen]

/test e2e-aws-ovn
/test e2e-aws-ovn-upgrade
/test e2e-gcp-op-part1
/test e2e-gcp-op-part2
/test e2e-gcp-op-single-node
/test e2e-hypershift

[openshift-ci-robot]

@openshift-cherrypick-robot: Jira Issue OCPBUGS-84481: All pull requests linked via external trackers have merged:

• openshift/machine-config-operator#5883

This pull request has the verified-later tag and will need to be manually moved to VERIFIED after testing. Jira Issue OCPBUGS-84481 has been moved to the MODIFIED state.

Details

In response to this:

This is an automated cherry-pick of #5816

/assign pablintino

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-merge-robot]

Fix included in release 4.21.0-0.nightly-2026-05-28-033143