use standard dedup instead of keeping last status
use standard dedup instead of keeping last status

mrkeng/alerta,0312birdzhang/alerta,skob/alerta,guardian/alerta,0312birdzhang/alerta,guardian/alerta,mrkeng/alerta,0312birdzhang/alerta,mrkeng/alerta,skob/alerta,guardian/alerta,guardian/alerta,mrkeng/alerta,skob/alerta,skob/alerta