== sanity test 421d: rmfid en masse ====================== 19:30:17 (1787873417)
 - open/close 781 (time 1787873432.94 total 10.01 last 78.04)
 - open/close 1665 (time 1787873442.95 total 20.02 last 88.31)
 - open/close 2378 (time 1787873452.95 total 30.02 last 71.26)
 - open/close 3044 (time 1787873462.95 total 40.02 last 66.60)
 - open/close 3782 (time 1787873472.96 total 50.03 last 73.77)
total: 4097 open/close in 54.79 seconds: 74.78 ops/second