== sanity test 421d: rmfid en masse ====================== 13:02:49 (1788627769)
 - open/close 750 (time 1788627784.29 total 10.05 last 74.63)
 - open/close 1393 (time 1788627794.30 total 20.05 last 64.29)
 - open/close 1972 (time 1788627804.32 total 30.08 last 57.73)
 - open/close 2615 (time 1788627814.33 total 40.08 last 64.29)
 - open/close 3281 (time 1788627824.33 total 50.09 last 66.55)
 - open/close 4025 (time 1788627834.35 total 60.11 last 74.27)
total: 4097 open/close in 60.90 seconds: 67.28 ops/second