== sanity test 421d: rmfid en masse ====================== 12:47:42 (1786639662)
 - open/close 579 (time 1786639677.06 total 10.01 last 57.86)
 - open/close 1255 (time 1786639687.06 total 20.01 last 67.58)
 - open/close 1826 (time 1786639697.06 total 30.01 last 57.10)
 - open/close 2269 (time 1786639707.07 total 40.02 last 44.24)
 - open/close 2883 (time 1786639717.08 total 50.03 last 61.36)
 - open/close 3552 (time 1786639727.10 total 60.05 last 66.77)
total: 4097 open/close in 68.88 seconds: 59.48 ops/second