== sanity test 421d: rmfid en masse ====================== 04:41:10 (1787474470)
 - open/close 825 (time 1787474484.40 total 10.00 last 82.48)
 - open/close 1548 (time 1787474494.41 total 20.01 last 72.22)
 - open/close 2364 (time 1787474504.42 total 30.02 last 81.54)
 - open/close 3230 (time 1787474514.43 total 40.03 last 86.56)
 - open/close 4037 (time 1787474524.43 total 50.03 last 80.69)
total: 4097 open/close in 50.69 seconds: 80.83 ops/second