== sanity test 421d: rmfid en masse ====================== 00:41:03 (1788842463)
 - open/close 701 (time 1788842476.99 total 10.01 last 70.04)
 - open/close 1520 (time 1788842487.00 total 20.02 last 81.81)
 - open/close 2435 (time 1788842497.01 total 30.03 last 91.40)
 - open/close 3282 (time 1788842507.02 total 40.03 last 84.66)
total: 4097 open/close in 48.12 seconds: 85.14 ops/second