== sanity test 421d: rmfid en masse ====================== 02:31:14 (1787380274)
 - open/close 825 (time 1787380289.72 total 10.01 last 82.46)
 - open/close 1652 (time 1787380299.72 total 20.01 last 82.65)
 - open/close 2432 (time 1787380309.73 total 30.02 last 77.92)
 - open/close 3250 (time 1787380319.74 total 40.03 last 81.77)
total: 4097 open/close in 49.03 seconds: 83.56 ops/second