== sanity test 421d: rmfid en masse ====================== 06:24:59 (1788258299)
 - open/close 688 (time 1788258313.80 total 10.01 last 68.75)
 - open/close 1509 (time 1788258323.81 total 20.02 last 82.03)
 - open/close 2272 (time 1788258333.82 total 30.02 last 76.23)
 - open/close 3148 (time 1788258343.82 total 40.03 last 87.57)
 - open/close 3959 (time 1788258353.83 total 50.03 last 81.06)
total: 4097 open/close in 51.63 seconds: 79.35 ops/second