== sanity test 421d: rmfid en masse ====================== 03:00:40 (1790665240)
 - open/close 660 (time 1790665255.59 total 10.00 last 65.98)
 - open/close 1331 (time 1790665265.60 total 20.01 last 67.03)
 - open/close 2015 (time 1790665275.60 total 30.02 last 68.35)
 - open/close 2755 (time 1790665285.61 total 40.02 last 73.98)
 - open/close 3417 (time 1790665295.61 total 50.03 last 66.17)
total: 4097 open/close in 57.88 seconds: 70.78 ops/second