== sanity test 421d: rmfid en masse ====================== 11:08:47 (1787843327)
 - open/close 830 (time 1787843341.35 total 10.00 last 82.98)
 - open/close 1648 (time 1787843351.36 total 20.01 last 81.72)
 - open/close 2445 (time 1787843361.37 total 30.03 last 79.58)
 - open/close 3270 (time 1787843371.38 total 40.03 last 82.44)
 - open/close 4088 (time 1787843381.39 total 50.05 last 81.67)
total: 4097 open/close in 50.15 seconds: 81.70 ops/second