== sanity test 421d: rmfid en masse ====================== 04:17:51 (1789028271)
 - open/close 758 (time 1789028287.70 total 10.01 last 75.71)
 - open/close 1466 (time 1789028297.72 total 20.03 last 70.69)
 - open/close 2229 (time 1789028307.73 total 30.04 last 76.23)
 - open/close 3121 (time 1789028317.73 total 40.04 last 89.15)
 - open/close 3892 (time 1789028327.74 total 50.04 last 77.08)
total: 4097 open/close in 52.28 seconds: 78.37 ops/second