@classmethod
def create_skeleton_migrate_vifs(cls, vifs):
    """Create migrate vifs for live migration.

        :param vifs: a list of VIFs.
        :return: list of VIFMigrateData object corresponding to the provided
                 VIFs.
        """
    vif_mig_data = []
    for vif in vifs:
        mig_vif = cls(port_id=vif['id'], source_vif=vif)
        vif_mig_data.append(mig_vif)
    return vif_mig_data
