== sanity test 421d: rmfid en masse ====================== 03:24:46 (1788852286)
 - open/close 913 (time 1788852301.74 total 10.01 last 91.25)
 - open/close 1707 (time 1788852311.75 total 20.01 last 79.37)
 - open/close 2470 (time 1788852321.76 total 30.02 last 76.23)
 - open/close 3202 (time 1788852331.76 total 40.03 last 73.13)
 - open/close 4017 (time 1788852341.77 total 50.03 last 81.50)
total: 4097 open/close in 51.33 seconds: 79.82 ops/second