== sanity test 421d: rmfid en masse ====================== 15:26:53 (1780342013)
 - open/close 1170 (time 1780342026.00 total 10.01 last 116.93)
 - open/close 2402 (time 1780342036.00 total 20.01 last 123.18)
 - open/close 3559 (time 1780342046.01 total 30.01 last 115.65)
total: 4097 open/close in 34.70 seconds: 118.08 ops/second