== sanity test 421d: rmfid en masse ====================== 23:08:27 (1786763307)
 - open/close 973 (time 1786763321.69 total 10.01 last 97.18)
 - open/close 1796 (time 1786763331.71 total 20.03 last 82.19)
 - open/close 2612 (time 1786763341.72 total 30.04 last 81.48)
 - open/close 3300 (time 1786763351.73 total 40.05 last 68.77)
total: 4097 open/close in 48.99 seconds: 83.63 ops/second