== sanity test 421d: rmfid en masse ====================== 16:23:55 (1783974235)
 - open/close 745 (time 1783974251.73 total 10.00 last 74.50)
 - open/close 1582 (time 1783974261.74 total 20.00 last 83.69)
 - open/close 2383 (time 1783974271.74 total 30.01 last 80.07)
 - open/close 2981 (time 1783974281.75 total 40.01 last 59.75)
 - open/close 3806 (time 1783974291.77 total 50.03 last 82.35)
total: 4097 open/close in 54.84 seconds: 74.71 ops/second