From 192a614242cce00d7c6f0a5d5409cd66cc9ed09f Mon Sep 17 00:00:00 2001
From: Kubernetes Publisher <k8s-publishing-bot@users.noreply.github.com>
Date: Thu, 31 Jan 2019 09:56:19 -0800
Subject: [PATCH] Merge pull request #73455 from danielqsj/keymutex

Migrate to k8s.io/utils/keymutex and k8s.io/utils/strings

Kubernetes-commit: 8f1082c6aff6df3cb5e103474d9d846b6f8ebf90