== sanity test 421d: rmfid en masse ====================== 07:21:41 (1789125701)
 - open/close 902 (time 1789125717.34 total 10.00 last 90.16)
 - open/close 1706 (time 1789125727.35 total 20.01 last 80.34)
 - open/close 2469 (time 1789125737.35 total 30.02 last 76.27)
 - open/close 3287 (time 1789125747.37 total 40.03 last 81.67)
 - open/close 3985 (time 1789125757.37 total 50.03 last 69.78)
total: 4097 open/close in 51.31 seconds: 79.85 ops/second