wait "${pid}" || exit 1
  done

  # Install MetalLB for LoadBalancer support. Must be done synchronously since METALLB_IPS is shared.
  # and keep track of the list of Kubeconfig files that will be exported later
  export KUBECONFIGS
  for CLUSTER_NAME in "${CLUSTER_NAMES[@]}"; do
    KUBECONFIG_FILE="${KUBECONFIG_DIR}/${CLUSTER_NAME}"
    if [[ ${NUM_CLUSTERS} -gt 1 ]]; then
      retry install_metallb "${KUBECONFIG_FILE}"