== sanity test 421d: rmfid en masse ====================== 20:16:54 (1763342214)
 - open/close 684 (time 1763342228.29 total 10.00 last 68.39)
 - open/close 1375 (time 1763342238.30 total 20.01 last 69.03)
 - open/close 2068 (time 1763342248.30 total 30.02 last 69.26)
 - open/close 2747 (time 1763342258.31 total 40.03 last 67.82)
 - open/close 3437 (time 1763342268.33 total 50.04 last 68.90)
total: 4097 open/close in 59.47 seconds: 68.89 ops/second