== sanity test 421d: rmfid en masse ====================== 09:57:41 (1787320661)
 - open/close 812 (time 1787320677.58 total 10.00 last 81.20)
 - open/close 1581 (time 1787320687.58 total 20.01 last 76.86)
 - open/close 2310 (time 1787320697.60 total 30.02 last 72.79)
 - open/close 3082 (time 1787320707.61 total 40.03 last 77.11)
 - open/close 3839 (time 1787320717.62 total 50.04 last 75.63)
total: 4097 open/close in 53.33 seconds: 76.83 ops/second