== sanity test 421d: rmfid en masse ====================== 21:33:57 (1787621637)
 - open/close 822 (time 1787621652.81 total 10.02 last 82.06)
 - open/close 1675 (time 1787621662.82 total 20.03 last 85.20)
 - open/close 2430 (time 1787621672.84 total 30.04 last 75.39)
 - open/close 3295 (time 1787621682.85 total 40.05 last 86.40)
total: 4097 open/close in 49.75 seconds: 82.35 ops/second