[JENKINS-76068] [REGRESSION] - AWSSDK Network interfaces and an instance-level subnet ID error launching agent node

The presence of a subnet id and network-interface -> subnet id definition is causing the launch of an agent node to fail in this incremental version.

Found during resolution of <a href="https://issue-redirect.jenkins.io/issue/76058" class="external-link" rel="nofollow">https://issue-redirect.jenkins.io/issue/76058</a>

Potentially related to changes made during <a href="https://issue-redirect.jenkins.io/issue/75002" class="external-link" rel="nofollow">https://issue-redirect.jenkins.io/issue/75002</a>

Stack Trace:

{{<tt>software.amazon.awssdk.services.ec2.model.Ec2Exception: Network interfaces and an instance-level subnet ID may not be specified on the same request (Service: Ec2, Status Code: 400, Request ID: fc80e23c-8838-485a-a16a-325f884d633a) (SDK Attempt Count: 1)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.model.Ec2Exception$BuilderImpl.build(Ec2Exception.java:113)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.model.Ec2Exception$BuilderImpl.build(Ec2Exception.java:61)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.utils.RetryableStageHelper.retryPolicyDisallowedRetryException(RetryableStageHelper.java:168)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:73)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:36)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:53)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:35)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.executeWithTimer(ApiCallTimeoutTrackingStage.java:82)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:62)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:43)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:50)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:32)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:37)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:26)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.AmazonSyncHttpClient$RequestExecutionBuilderImpl.execute(AmazonSyncHttpClient.java:210)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.invoke(BaseSyncClientHandler.java:103)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.doExecute(BaseSyncClientHandler.java:173)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.lambda$execute$1(BaseSyncClientHandler.java:80)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.measureApiCallSuccess(BaseSyncClientHandler.java:182)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.execute(BaseSyncClientHandler.java:74)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.client.handler.SdkSyncClientHandler.execute(SdkSyncClientHandler.java:45)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.awscore.client.handler.AwsSyncClientHandler.execute(AwsSyncClientHandler.java:53)</tt>}} 
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.DefaultEc2Client.runInstances(DefaultEc2Client.java:39192)</tt>}} 
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provisionOndemand(SlaveTemplate.java:2208)</tt>}} 
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provisionOndemand(SlaveTemplate.java:2128)</tt>}} 
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provision(SlaveTemplate.java:1887)</tt>}} 
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.EC2Cloud.getNewOrExistingAvailableSlave(EC2Cloud.java:1013)</tt>}} 
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.EC2Cloud.doProvision(EC2Cloud.java:684)</tt>}} 
{{<tt>at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)</tt>}}

---
<details><summary>Originally reported by <a href="https://issues.jenkins.io/secure/ViewProfile.jspa?name=patdunne">patdunne</a>, imported from: <a class="original-jira-link" href="https://issues.jenkins.io/browse/JENKINS-76068" target="_blank">[REGRESSION] - AWSSDK Network interfaces and an instance-level subnet ID error launching agent node</a></summary>
<ul>
<li>assignee: <img align="left" width="20" src="https://raw.githubusercontent.com/jenkinsci/artifacts-from-jira-issues/refs/heads/main/avatars/vwagh.png" title="vwagh's avatar" /> <a href="https://issues.jenkins.io/secure/ViewProfile.jspa?name=vwagh">vwagh</a>
<li>status: Open
<li>priority: Blocker
<li>component(s): ec2-plugin
<li>resolution: Unresolved
<li>votes: 0
<li>watchers: 3
<li>imported: 2025-12-06
</ul>
<details><summary>Raw content of original issue</summary>

<pre>
The presence of a subnet id and network-interface -&gt; subnet id definition is causing the launch of an agent node to fail in this incremental version.

Found during resolution of <a href="https://issue-redirect.jenkins.io/issue/76058" class="external-link" rel="nofollow">https://issue-redirect.jenkins.io/issue/76058</a>

Potentially related to changes made during <a href="https://issue-redirect.jenkins.io/issue/75002" class="external-link" rel="nofollow">https://issue-redirect.jenkins.io/issue/75002</a>

Stack Trace:

{{<tt>software.amazon.awssdk.services.ec2.model.Ec2Exception: Network interfaces and an instance-level subnet ID may not be specified on the same request (Service: Ec2, Status Code: 400, Request ID: fc80e23c-8838-485a-a16a-325f884d633a) (SDK Attempt Count: 1)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.model.Ec2Exception$BuilderImpl.build(Ec2Exception.java:113)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.model.Ec2Exception$BuilderImpl.build(Ec2Exception.java:61)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.utils.RetryableStageHelper.retryPolicyDisallowedRetryException(RetryableStageHelper.java:168)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:73)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:36)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:53)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:35)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.executeWithTimer(ApiCallTimeoutTrackingStage.java:82)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:62)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:43)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:50)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:32)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:37)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:26)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.http.AmazonSyncHttpClient$RequestExecutionBuilderImpl.execute(AmazonSyncHttpClient.java:210)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.invoke(BaseSyncClientHandler.java:103)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.doExecute(BaseSyncClientHandler.java:173)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.lambda$execute$1(BaseSyncClientHandler.java:80)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.measureApiCallSuccess(BaseSyncClientHandler.java:182)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.execute(BaseSyncClientHandler.java:74)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.core.client.handler.SdkSyncClientHandler.execute(SdkSyncClientHandler.java:45)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-core//software.amazon.awssdk.awscore.client.handler.AwsSyncClientHandler.execute(AwsSyncClientHandler.java:53)</tt>}}
{{<tt>at PluginClassLoader for aws-java-sdk2-ec2//software.amazon.awssdk.services.ec2.DefaultEc2Client.runInstances(DefaultEc2Client.java:39192)</tt>}}
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provisionOndemand(SlaveTemplate.java:2208)</tt>}}
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provisionOndemand(SlaveTemplate.java:2128)</tt>}}
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.SlaveTemplate.provision(SlaveTemplate.java:1887)</tt>}}
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.EC2Cloud.getNewOrExistingAvailableSlave(EC2Cloud.java:1013)</tt>}}
{{<tt>at PluginClassLoader for ec2//hudson.plugins.ec2.EC2Cloud.doProvision(EC2Cloud.java:684)</tt>}}
{{<tt>at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)</tt>}}</pre>
</details>
</details>
<details><summary>environment</summary>

```
Jenkins - 2.516.2 
EC2 Plugin - 2023.vf486f9eece04
```
</details>

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[JENKINS-76068] [REGRESSION] - AWSSDK Network interfaces and an instance-level subnet ID error launching agent node #1974

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[JENKINS-76068] [REGRESSION] - AWSSDK Network interfaces and an instance-level subnet ID error launching agent node #1974

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