== sanity test 421d: rmfid en masse ====================== 02:08:18 (1789452498)
 - open/close 815 (time 1789452512.71 total 10.02 last 81.37)
 - open/close 1640 (time 1789452522.71 total 20.02 last 82.49)
 - open/close 2461 (time 1789452532.72 total 30.02 last 82.05)
 - open/close 3346 (time 1789452542.74 total 40.05 last 88.29)
total: 4097 open/close in 49.08 seconds: 83.48 ops/second