if record[mark.rxMbps] > record[mark.txMbps]:
record[mark.rxMbps], record[mark.txMbps] = record[mark.txMbps], record[mark.rxMbps]
if record[mark.rxMbps] > record[mark.txMbps]:
record[mark.rxMbps], record[mark.txMbps] = record[mark.txMbps], record[mark.rxMbps]