virtual=127.0.0.1:50000
    real=127.0.0.1:50001 1
    real=127.0.0.1:50002 2
    real=127.0.0.1:50003 3
    real=127.0.0.1:50004 4
    real=127.0.0.1:50005 5
    checktype=ping

virtual=[::1]:50100
    real=[::1]:50101 1
    real=[::1]:50102 2
    real=[::1]:50103 3
    real=[::1]:50104 4
    real=[::1]:50105 5
    checktype=ping