We currently name the container being created during kube play
as ctrName-podName, but this is not how it is done in k8s.
Since we can't change this at the CLI level as it will be a breaking
change (it will be planned for podman 5.0), add only ctrName as an alias
to the network of the pod.
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>