== sanity test 421d: rmfid en masse ====================== 18:20:33 (1787610033)
 - open/close 699 (time 1787610048.05 total 10.00 last 69.89)
 - open/close 1559 (time 1787610058.05 total 20.01 last 85.94)
 - open/close 2364 (time 1787610068.06 total 30.02 last 80.42)
 - open/close 3148 (time 1787610078.08 total 40.03 last 78.28)
 - open/close 3919 (time 1787610088.08 total 50.04 last 77.08)
total: 4097 open/close in 52.12 seconds: 78.60 ops/second