== sanity test 421d: rmfid en masse ====================== 06:47:00 (1789642020)
 - open/close 689 (time 1789642034.25 total 10.01 last 68.86)
 - open/close 1383 (time 1789642044.26 total 20.01 last 69.36)
 - open/close 2134 (time 1789642054.27 total 30.02 last 75.03)
 - open/close 2890 (time 1789642064.29 total 40.04 last 75.44)
 - open/close 3713 (time 1789642074.30 total 50.06 last 82.16)
total: 4097 open/close in 54.90 seconds: 74.62 ops/second