kubectl run -it --image=jrecord/nettools nettools --restart=Never --namespace=default

apiVersion: v1
kind: Pod
metadata:
  name: nettools
  namespace: default
spec:
  containers:
  - name: nettools
    image: jrecord/nettools:latest
    command:
      - sleep
      - "3600"
    imagePullPolicy: IfNotPresent
  restartPolicy: Never