mac1:
    host: servo-tc-mac1.servo.org
mac2:
    host: servo-tc-mac2.servo.org
mac3:
    host: servo-tc-mac3.servo.org
mac4:
    host: servo-tc-mac4.servo.org
mac5:
    host: servo-tc-mac5.servo.org
mac6:
    host: servo-tc-mac6.servo.org