== sanity test 421d: rmfid en masse ====================== 14:23:50 (1787855030)
 - open/close 959 (time 1787855044.04 total 10.01 last 95.83)
 - open/close 1808 (time 1787855054.04 total 20.01 last 84.88)
 - open/close 2636 (time 1787855064.04 total 30.01 last 82.78)
 - open/close 3454 (time 1787855074.05 total 40.01 last 81.79)
total: 4097 open/close in 47.70 seconds: 85.90 ops/second