== sanity test 421d: rmfid en masse ====================== 12:44:38 (1787503478)
 - open/close 560 (time 1787503494.86 total 10.01 last 55.95)
 - open/close 1235 (time 1787503504.87 total 20.02 last 67.45)
 - open/close 1814 (time 1787503514.87 total 30.02 last 57.88)
 - open/close 2391 (time 1787503524.87 total 40.02 last 57.69)
 - open/close 2970 (time 1787503534.88 total 50.03 last 57.86)
 - open/close 3640 (time 1787503544.91 total 60.05 last 66.82)
total: 4097 open/close in 67.52 seconds: 60.68 ops/second