{
    "spine101": { "switches_before_failure": 7,
                  "links_before_failure": 40,
                  "switches_after_failure": 6,
                  "links_after_failure": 22 },
    "spine102": { "switches_before_failure": 7,
                  "links_before_failure": 40,
                  "switches_after_failure": 6,
                  "links_after_failure": 22 }
}