== sanity test 421d: rmfid en masse ====================== 06:02:24 (1779876144)
 - open/close 774 (time 1779876158.72 total 10.01 last 77.33)
 - open/close 1591 (time 1779876168.72 total 20.01 last 81.67)
 - open/close 2393 (time 1779876178.72 total 30.01 last 80.18)
 - open/close 3115 (time 1779876188.72 total 40.02 last 72.18)
 - open/close 3866 (time 1779876198.74 total 50.03 last 75.02)
total: 4097 open/close in 52.94 seconds: 77.39 ops/second