== sanity test 421d: rmfid en masse ====================== 19:00:56 (1781218856)
 - open/close 612 (time 1781218872.57 total 10.01 last 61.16)
 - open/close 1452 (time 1781218882.58 total 20.01 last 83.94)
 - open/close 2333 (time 1781218892.58 total 30.02 last 88.08)
 - open/close 3205 (time 1781218902.59 total 40.02 last 87.18)
 - open/close 4015 (time 1781218912.59 total 50.02 last 81.00)
total: 4097 open/close in 50.99 seconds: 80.35 ops/second