== sanity test 421d: rmfid en masse ====================== 23:14:00 (1781234040)
 - open/close 871 (time 1781234055.40 total 10.01 last 87.05)
 - open/close 1613 (time 1781234065.41 total 20.01 last 74.18)
 - open/close 2319 (time 1781234075.41 total 30.01 last 70.58)
 - open/close 3016 (time 1781234085.41 total 40.01 last 69.68)
 - open/close 3817 (time 1781234095.43 total 50.03 last 79.96)
total: 4097 open/close in 54.07 seconds: 75.77 ops/second