== sanity test 421d: rmfid en masse ====================== 21:29:48 (1786757388)
 - open/close 667 (time 1786757403.16 total 10.00 last 66.70)
 - open/close 1344 (time 1786757413.16 total 20.00 last 67.68)
 - open/close 2204 (time 1786757423.17 total 30.01 last 85.97)
 - open/close 3130 (time 1786757433.18 total 40.02 last 92.47)
 - open/close 3799 (time 1786757443.19 total 50.03 last 66.83)
total: 4097 open/close in 54.47 seconds: 75.22 ops/second