== sanity test 421d: rmfid en masse ====================== 13:00:40 (1779210040)
 - open/close 701 (time 1779210054.89 total 10.01 last 70.04)
 - open/close 1426 (time 1779210064.89 total 20.01 last 72.48)
 - open/close 2144 (time 1779210074.90 total 30.02 last 71.75)
 - open/close 2944 (time 1779210084.90 total 40.02 last 79.97)
 - open/close 3764 (time 1779210094.92 total 50.04 last 81.87)
total: 4097 open/close in 54.37 seconds: 75.35 ops/second