== sanity test 421d: rmfid en masse ====================== 09:37:40 (1789133860)
 - open/close 582 (time 1789133875.74 total 10.01 last 58.11)
 - open/close 1269 (time 1789133885.76 total 20.03 last 68.60)
 - open/close 2091 (time 1789133895.76 total 30.03 last 82.18)
 - open/close 2929 (time 1789133905.77 total 40.04 last 83.76)
 - open/close 3685 (time 1789133915.77 total 50.04 last 75.59)
total: 4097 open/close in 57.11 seconds: 71.74 ops/second