== sanity test 421d: rmfid en masse ====================== 15:05:58 (1786043158)
 - open/close 728 (time 1786043172.61 total 10.00 last 72.78)
 - open/close 1560 (time 1786043182.61 total 20.01 last 83.17)
 - open/close 2383 (time 1786043192.62 total 30.01 last 82.23)
 - open/close 3166 (time 1786043202.62 total 40.02 last 78.28)
 - open/close 3835 (time 1786043212.63 total 50.02 last 66.86)
total: 4097 open/close in 53.25 seconds: 76.94 ops/second