== sanity test 421d: rmfid en masse ====================== 04:04:53 (1787385893)
 - open/close 692 (time 1787385908.06 total 10.02 last 69.07)
 - open/close 1407 (time 1787385918.07 total 20.03 last 71.42)
 - open/close 2172 (time 1787385928.09 total 30.05 last 76.36)
 - open/close 2913 (time 1787385938.10 total 40.05 last 74.06)
 - open/close 3658 (time 1787385948.10 total 50.06 last 74.48)
total: 4097 open/close in 56.41 seconds: 72.63 ops/second