== sanity test 421d: rmfid en masse ====================== 21:14:25 (1789089265)
 - open/close 780 (time 1789089280.60 total 10.01 last 77.94)
 - open/close 1549 (time 1789089290.62 total 20.03 last 76.72)
 - open/close 2354 (time 1789089300.62 total 30.03 last 80.48)
 - open/close 3171 (time 1789089310.62 total 40.04 last 81.68)
 - open/close 3949 (time 1789089320.64 total 50.05 last 77.71)
total: 4097 open/close in 51.55 seconds: 79.47 ops/second