== sanity test 421d: rmfid en masse ====================== 16:25:08 (1775852708)
 - open/close 657 (time 1775852723.67 total 10.01 last 65.60)
 - open/close 1375 (time 1775852733.67 total 20.02 last 71.77)
 - open/close 1843 (time 1775852743.67 total 30.02 last 46.80)
 - open/close 2338 (time 1775852753.68 total 40.03 last 49.46)
 - open/close 3023 (time 1775852763.68 total 50.03 last 68.48)
 - open/close 3727 (time 1775852773.69 total 60.04 last 70.36)
total: 4097 open/close in 65.47 seconds: 62.58 ops/second