Brandon Li ff7b51b7c6 HDFS-6080. Merging change r1577320 from branch-2 %!s(int64=11) %!d(string=hai) anos
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main ff7b51b7c6 HDFS-6080. Merging change r1577320 from branch-2 %!s(int64=11) %!d(string=hai) anos
test db0f67d268 HDFS-5898. Allow NFS gateway to login/relogin from its kerberos keytab. Contributed by Abin Shahab. %!s(int64=11) %!d(string=hai) anos