API: Interface name is not set via cloud-init api

Change-Id: I2108863d9ac1463d72b5b5fb139a04fba0f99b0d
Bug-Url: https://bugzilla.redhat.com/1115389
Signed-off-by: Shahar Havivi <shaharh@redhat.com>
(cherry picked from commit 42efda3be3c36e0785d114269bcc2b3660c4a138)