[CI] XPackRestIT test {p0=transform/transforms_start_stop/Test stop transform with force and wait_for_checkpoint true} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #10721 / ubuntu-2404-aarch64_checkpart3_platform-support-arm
• elasticsearch-pull-request #93302 / part-3

Reproduction Line:

./gradlew ":x-pack:plugin:yamlRestTest" --tests "org.elasticsearch.xpack.test.rest.XPackRestIT.test {p0=transform/transforms_start_stop/Test stop transform with force and wait_for_checkpoint true}" -Dtests.seed=D151DE862C923FBE -Dtests.locale=hi-Deva-IN -Dtests.timezone=America/Tortola -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Failure at [transform/transforms_start_stop:64]: got unexpected warning header [
	299 Elasticsearch-9.2.0-9cfeaacf9260f7fd6656f91776b0774d0a6710be "Index [.ml-stats-000001] name begins with a dot (.), which is deprecated, and will not be allowed in a future Elasticsearch version."
]

Issue Reasons:

• [main] 2 failures in test test {p0=transform/transforms_start_stop/Test stop transform with force and wait_for_checkpoint true} (0.3% fail rate in 770 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 2 failures in test test {p0=transform/transforms_start_stop/Test stop transform with force and wait_for_checkpoint true} (0.3% fail rate in 770 executions)

Build Scans:

• elasticsearch-periodic-platform-support #10721 / ubuntu-2404-aarch64_checkpart3_platform-support-arm
• elasticsearch-pull-request #93302 / part-3

[elasticsearchmachine]

Pinging @elastic/es-search-relevance (Team:Search Relevance)

[elasticsearchmachine]

Pinging @elastic/ml-core (Team:ML)