[CI] CreateFromDeploymentIT testAttachWithModelId failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #7601 / windows-2022_checkpart2_platform-support-windows
• elasticsearch-periodic-platform-support #7566 / windows-2022_checkpart2_platform-support-windows

Reproduction Line:

gradlew ":x-pack:plugin:inference:qa:inference-service-tests:javaRestTest" --tests "org.elasticsearch.xpack.inference.CreateFromDeploymentIT.testAttachWithModelId" -Dtests.seed=4C87E08EA346A0FD -Dtests.locale=en-001 -Dtests.timezone=EAT -Druntime.java=24

Applicable branches:
9.0

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.elasticsearch.client.ResponseException: method [POST], host [http://[::1]:55108], URI [/_ml/trained_models/attach_with_model_id/deployment/_start?timeout=10s&wait_for=started&threads_per_allocation=1&number_of_allocations=1&deployment_id=existing_deployment_with_model_id], status line [HTTP/1.1 408 Request Timeout]
{"error":{"root_cause":[{"type":"status_exception","reason":"Timed out after [10s] waiting for model deployment to start. Use the trained model stats API to track the state of the deployment."}],"type":"status_exception","reason":"Timed out after [10s] waiting for model deployment to start. Use the trained model stats API to track the state of the deployment."},"status":408}

Issue Reasons:

• [9.0] 2 failures in test testAttachWithModelId (1.7% fail rate in 119 executions)
• [9.0] 2 failures in step windows-2022_checkpart2_platform-support-windows (33.3% fail rate in 6 executions)
• [9.0] 2 failures in pipeline elasticsearch-periodic-platform-support (33.3% fail rate in 6 executions)

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

[elasticsearchmachine]

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