== sanity test 421d: rmfid en masse ====================== 02:56:30 (1787122590)
 - open/close 736 (time 1787122605.33 total 10.01 last 73.52)
 - open/close 1488 (time 1787122615.34 total 20.01 last 75.17)
 - open/close 2308 (time 1787122625.34 total 30.02 last 81.94)
 - open/close 3014 (time 1787122635.35 total 40.03 last 70.57)
 - open/close 4049 (time 1787122645.37 total 50.05 last 103.23)
total: 4097 open/close in 50.47 seconds: 81.17 ops/second