tree fb03e51234dab38e218aa9cb017c3cb1bb52742a
parent 781984f3a5c064e544625bc23477d19ce9435f20
author Yuta HIGUCHI <y-higuchi@ak.jp.nec.com> 1501031203 -0700
committer Jordan Halterman <jordan@opennetworking.org> 1501117900 +0000

Initial empty value should not force overwrite existing.

Change-Id: Icb474a4b7d56b78238672f3cbb2cded435df98f5