== sanity test 421d: rmfid en masse ====================== 23:11:40 (1787800300)
 - open/close 711 (time 1787800314.45 total 10.00 last 71.09)
 - open/close 1264 (time 1787800324.47 total 20.02 last 55.18)
 - open/close 1909 (time 1787800334.48 total 30.03 last 64.43)
 - open/close 2671 (time 1787800344.48 total 40.03 last 76.20)
 - open/close 3536 (time 1787800354.50 total 50.05 last 86.36)
total: 4097 open/close in 57.02 seconds: 71.85 ops/second