NO-ISSUE: rebase-release-4.21-4.21.0-0.nightly-2026-02-25-232937_amd64-2026-02-25_arm64-2026-03-01

[microshift-rebase-script]

amd64: 4.21.0-0.nightly-2026-02-25-232937
arm64: 4.21.0-0.nightly-arm64-2026-03-01-233015
prow job: https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-microshift-release-4.21-periodics-rebase-on-nightlies/2028319751880577024

• oc image-arm64 6a13cc70a1c232f6e566fa7f155b54b0a7d75bfe to 56a56a3a76474ed4329fff4fc9958e2c60c3ab3f

  • c4c51800 2026-02-27T18:48:39+00:00 Makefile: Strip debugging symbols by default

• ovn-kubernetes image-arm64 190e114128b9f358d1d6a700c464797d4c3e36af to 81c9d5c2b4527e3139ee127a2b7d4f0aceb78211

  • 78263445 2026-02-26T18:20:40+01:00 nodeallocator: fix subnet leak when hybrid overlay is enabled
  • e950ad5c 2026-02-18T18:27:45+01:00 Fix IC cluster cleanup tests zone configuration
  • 83de58c1 2026-02-18T18:27:45+01:00 Remove IC zone migration HACK code

/label tide/merge-method-squash
/label backport-risk-assessed
/label jira/valid-bug

[openshift-ci-robot]

@microshift-rebase-script[bot]: This pull request explicitly references no jira issue.

Details

In response to this:

amd64: 4.21.0-0.nightly-2026-02-25-232937
arm64: 4.21.0-0.nightly-arm64-2026-03-01-233015
prow job: https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-microshift-release-4.21-periodics-rebase-on-nightlies/2028319751880577024

• oc image-arm64 6a13cc70a1c232f6e566fa7f155b54b0a7d75bfe to 56a56a3a76474ed4329fff4fc9958e2c60c3ab3f

• c4c51800 2026-02-27T18:48:39+00:00 Makefile: Strip debugging symbols by default

• ovn-kubernetes image-arm64 190e114128b9f358d1d6a700c464797d4c3e36af to 81c9d5c2b4527e3139ee127a2b7d4f0aceb78211

• 78263445 2026-02-26T18:20:40+01:00 nodeallocator: fix subnet leak when hybrid overlay is enabled

• e950ad5c 2026-02-18T18:27:45+01:00 Fix IC cluster cleanup tests zone configuration

• 83de58c1 2026-02-18T18:27:45+01:00 Remove IC zone migration HACK code

/label tide/merge-method-squash
/label backport-risk-assessed
/label jira/valid-bug

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.

[pacevedom]

/retest

[copejon]

/lgtm

[copejon]

/verified by ci

[openshift-ci-robot]

@copejon: This PR has been marked as verified by ci.

Details

In response to this:

/verified by ci

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]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: copejon, microshift-rebase-script[bot]

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [copejon]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[openshift-ci]

@microshift-rebase-script: The following tests 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-aws-tests-bootc-arm	234c9af	link	unknown	/test e2e-aws-tests-bootc-arm
ci/prow/e2e-aws-tests-bootc	234c9af	link	unknown	/test e2e-aws-tests-bootc

Full PR test history. Your PR dashboard.

Details

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 kubernetes-sigs/prow repository. I understand the commands that are listed here.