== sanity test 421d: rmfid en masse ====================== 07:49:58 (1789386598)
 - open/close 662 (time 1789386612.93 total 10.01 last 66.12)
 - open/close 1364 (time 1789386622.93 total 20.01 last 70.18)
 - open/close 2111 (time 1789386632.93 total 30.02 last 74.68)
 - open/close 2864 (time 1789386642.94 total 40.02 last 75.27)
 - open/close 3659 (time 1789386652.94 total 50.03 last 79.46)
total: 4097 open/close in 56.37 seconds: 72.69 ops/second