== sanity test 421d: rmfid en masse ====================== 10:14:55 (1787753695)
 - open/close 843 (time 1787753712.41 total 10.01 last 84.22)
 - open/close 1528 (time 1787753722.42 total 20.02 last 68.43)
 - open/close 2343 (time 1787753732.43 total 30.03 last 81.43)
 - open/close 3027 (time 1787753742.43 total 40.03 last 68.38)
 - open/close 3733 (time 1787753752.45 total 50.05 last 70.48)
total: 4097 open/close in 55.22 seconds: 74.19 ops/second