== sanity test 421d: rmfid en masse ====================== 10:07:28 (1787666848)
 - open/close 612 (time 1787666862.59 total 10.00 last 61.18)
 - open/close 1202 (time 1787666872.60 total 20.01 last 58.96)
 - open/close 1825 (time 1787666882.61 total 30.02 last 62.22)
 - open/close 2483 (time 1787666892.62 total 40.03 last 65.71)
 - open/close 3140 (time 1787666902.63 total 50.04 last 65.67)
 - open/close 3829 (time 1787666912.64 total 60.05 last 68.85)
total: 4097 open/close in 63.48 seconds: 64.54 ops/second