strip extra new-lines from ping values
strip extra new-lines from ping values

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