func analysisExpiredServices(svc coreV1.Service, cleanThresholdInMinus int64, resourceToClean *ResourceToClean) {
    lastHeartBeat := util.ParseTimestamp(svc.Annotations[util.KtLastHeartBeat])
    if lastHeartBeat < 0 {
        log.Debug().Msgf("Service %s does no have heart beat annotation", svc.Name)
    } else if isExpired(lastHeartBeat, cleanThresholdInMinus) {