followup https://github.com/kubernetes/kubernetes/pull/76050#discussion_r271540758

ce0cd866 · Chao Xu · 445a3734 · ce0cd866
Commit ce0cd866 authored Apr 04, 2019 by Chao Xu
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local-up-cluster.sh hack/local-up-cluster.sh +1 -1

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--- a/hack/local-up-cluster.sh
+++ b/hack/local-up-cluster.sh
@@ -751,7 +751,7 @@ function start_kubelet {

    # shellcheck disable=SC2206
    all_kubelet_flags=(
-      ${priv_arg}
+      ${priv_arg:+"$priv_arg"}
      "--v=${LOG_LEVEL}"
      "--vmodule=${LOG_SPEC}"
      "--chaos-chance=${CHAOS_CHANCE}"