[release-4.20] OCPBUGS-72412: change iperf2 test to serial from parallel

[openshift-cherrypick-robot]

This is an automated cherry-pick of #30671

/assign liqcui

[openshift-ci-robot]

@openshift-cherrypick-robot: Detected clone of Jira Issue OCPBUGS-70170 with correct target version. Will retitle the PR to link to the clone.
/retitle [release-4.20] OCPBUGS-72412: change iperf2 test to serial from parallel

Details

In response to this:

This is an automated cherry-pick of #30671

/assign liqcui

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[openshift-ci-robot]

@openshift-cherrypick-robot: This pull request references Jira Issue OCPBUGS-72412, which is valid.

7 validation(s) were run on this bug

• bug is open, matching expected state (open)
• bug target version (4.20.z) matches configured target version for branch (4.20.z)
• bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, POST)
• release note type set to "Release Note Not Required"
• dependent bug Jira Issue OCPBUGS-72414 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-72414 targets the "4.21.0" version, which is one of the valid target versions: 4.21.0
• bug has dependents

Requesting review from QA contact:
/cc @anuragthehatter

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 #30671

/assign liqcui

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[liqcui]

/test e2e-aws-ovn-serial-2of2

[openshift-ci]

@openshift-cherrypick-robot: all tests passed!

Full PR test history. Your PR dashboard.

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