== sanity test 421d: rmfid en masse ====================== 10:22:28 (1784125348)
 - open/close 1300 (time 1784125360.78 total 10.00 last 129.94)
 - open/close 2537 (time 1784125370.78 total 20.00 last 123.70)
 - open/close 3733 (time 1784125380.78 total 30.01 last 119.55)
total: 4097 open/close in 32.90 seconds: 124.52 ops/second