Unstable k8s jenkins job

Summary

On certain k8s slaves, the jenkins pipeline run get stuck

Steps to reproduce

Rerun https://ci.eclipse.org/kiso-testing/job/kiso-testing/job/master/61/ several times until it occurs

What is the current bug behavior?

The job get stuck and get aborted after a certain amount of time

What is the expected correct behavior?

The job goes through successfully

Relevant logs and/or screenshots

Link to the job: https://ci.eclipse.org/kiso-testing/job/kiso-testing/job/master/61/
Link to the jenkinsfile: https://github.com/eclipse/kiso-testing/blob/master/Jenkinsfile