== sanity test 421d: rmfid en masse ====================== 04:07:37 (1790928457)
 - open/close 779 (time 1790928471.84 total 10.01 last 77.81)
 - open/close 1479 (time 1790928481.85 total 20.01 last 69.98)
 - open/close 2415 (time 1790928491.85 total 30.02 last 93.52)
 - open/close 3378 (time 1790928501.86 total 40.03 last 96.25)
total: 4097 open/close in 48.75 seconds: 84.04 ops/second