== sanity test 421d: rmfid en masse ====================== 14:27:07 (1788805627)
 - open/close 662 (time 1788805642.09 total 10.00 last 66.20)
 - open/close 1414 (time 1788805652.10 total 20.01 last 75.14)
 - open/close 2184 (time 1788805662.11 total 30.02 last 76.92)
 - open/close 2876 (time 1788805672.11 total 40.02 last 69.18)
 - open/close 3654 (time 1788805682.13 total 50.04 last 77.65)
total: 4097 open/close in 56.39 seconds: 72.66 ops/second