== sanity test 421d: rmfid en masse ====================== 16:03:35 (1787861015)
 - open/close 683 (time 1787861029.63 total 10.01 last 68.20)
 - open/close 1346 (time 1787861039.65 total 20.04 last 66.14)
 - open/close 2039 (time 1787861049.65 total 30.04 last 69.30)
 - open/close 2770 (time 1787861059.66 total 40.05 last 73.03)
 - open/close 3439 (time 1787861069.67 total 50.06 last 66.82)
total: 4097 open/close in 59.94 seconds: 68.35 ops/second