== sanity test 421d: rmfid en masse ====================== 16:05:01 (1782763501)
 - open/close 742 (time 1782763516.32 total 10.00 last 74.17)
 - open/close 1545 (time 1782763526.33 total 20.01 last 80.27)
 - open/close 2315 (time 1782763536.34 total 30.02 last 76.91)
 - open/close 3135 (time 1782763546.34 total 40.03 last 81.96)
 - open/close 4000 (time 1782763556.35 total 50.03 last 86.42)
total: 4097 open/close in 51.40 seconds: 79.71 ops/second