Kafka performance test is failing

Kafka performance tests are failing due to "outside-X" service port allocation in kubernetes setup.

I confirmed it's not caused by Kafka clients version update from 1.0.0 to 2.4.1.

Logs from example failing job [1]:
07:28:23 job.batch/kafka-config-eff079ec created
07:28:23 Error from server (Invalid): error when creating "/home/jenkins/jenkins-slave/workspace/beam_PerformanceTests_Kafka_IO/src/.test-infra/kubernetes/kafka-cluster/04-outside-services/outside-0.yml": Service "outside-0" is invalid: spec.ports[0].nodePort: Invalid value: 32400: provided port is already allocated
07:28:23 Error from server (Invalid): error when creating "/home/jenkins/jenkins-slave/workspace/beam_PerformanceTests_Kafka_IO/src/.test-infra/kubernetes/kafka-cluster/04-outside-services/outside-1.yml": Service "outside-1" is invalid: spec.ports[0].nodePort: Invalid value: 32401: provided port is already allocated
07:28:23 Error from server (Invalid): error when creating "/home/jenkins/jenkins-slave/workspace/beam_PerformanceTests_Kafka_IO/src/.test-infra/kubernetes/kafka-cluster/04-outside-services/outside-2.yml": Service "outside-2" is invalid: spec.ports[0].nodePort: Invalid value: 32402: provided port is already allocated
07:28:23 Build step 'Execute shell' marked build as failure

[1] https://ci-beam.apache.org/job/beam_PerformanceTests_Kafka_IO/1636/console