== sanity test 421d: rmfid en masse ====================== 11:32:00 (1789140720)
 - open/close 805 (time 1789140735.78 total 10.01 last 80.44)
 - open/close 1652 (time 1789140745.78 total 20.01 last 84.69)
 - open/close 2441 (time 1789140755.79 total 30.02 last 78.81)
 - open/close 3299 (time 1789140765.80 total 40.03 last 85.72)
 - open/close 3930 (time 1789140775.81 total 50.04 last 63.04)
total: 4097 open/close in 52.19 seconds: 78.50 ops/second