== sanity test 421d: rmfid en masse ====================== 00:18:23 (1788841103)
 - open/close 886 (time 1788841117.43 total 10.01 last 88.53)
 - open/close 1824 (time 1788841127.44 total 20.02 last 93.70)
 - open/close 2622 (time 1788841137.45 total 30.02 last 79.78)
 - open/close 3531 (time 1788841147.45 total 40.03 last 90.86)
total: 4097 open/close in 46.65 seconds: 87.82 ops/second