== sanity test 421d: rmfid en masse ====================== 13:55:32 (1787766932)
 - open/close 744 (time 1787766947.89 total 10.00 last 74.37)
 - open/close 1548 (time 1787766957.90 total 20.01 last 80.37)
 - open/close 2327 (time 1787766967.90 total 30.01 last 77.86)
 - open/close 3107 (time 1787766977.91 total 40.02 last 77.97)
 - open/close 3942 (time 1787766987.92 total 50.03 last 83.42)
total: 4097 open/close in 51.81 seconds: 79.08 ops/second