Change-Id: Ia427eb62bbfecea12c31584996a57cb82aa097a0
prior to this patch, the configured vpair interfaces would not be saved to the config file on 'write file'. Change-Id: Iff6551318534a3717c374060082147f17b925a21
Change-Id: I25c28f7a1eeb4deaebba3b2fd593cbbdceb1fa07