== sanity test 421d: rmfid en masse ====================== 04:39:59 (1787474399)
 - open/close 715 (time 1787474413.50 total 10.00 last 71.48)
 - open/close 1494 (time 1787474423.50 total 20.01 last 77.88)
 - open/close 2354 (time 1787474433.52 total 30.02 last 85.90)
 - open/close 3117 (time 1787474443.52 total 40.02 last 76.29)
 - open/close 3898 (time 1787474453.53 total 50.03 last 78.03)
total: 4097 open/close in 52.38 seconds: 78.22 ops/second