[Merge] lp:~yuningdodo/ubuntu/trusty/util-linux/util-linux.backport-utopic-2.25-8ubuntu1 into lp:ubuntu/trusty-updates/util-linux

[Yu Ning]

Hmm, I did have attempted to backport the feature, but failed...
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https://code.launchpad.net/~yuningdodo/ubuntu/trusty/util-linux/util-linux.backport-utopic-2.25-8ubuntu1/+merge/232848
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