== sanity test 421d: rmfid en masse ====================== 16:17:18 (1788207438)
 - open/close 618 (time 1788207453.08 total 10.01 last 61.76)
 - open/close 1213 (time 1788207463.09 total 20.02 last 59.43)
 - open/close 1865 (time 1788207473.09 total 30.02 last 65.19)
 - open/close 2533 (time 1788207483.10 total 40.03 last 66.75)
 - open/close 3167 (time 1788207493.12 total 50.05 last 63.27)
 - open/close 3828 (time 1788207503.13 total 60.06 last 66.05)
total: 4097 open/close in 64.59 seconds: 63.43 ops/second