== sanity test 421d: rmfid en masse ====================== 20:28:26 (1786408106)
 - open/close 551 (time 1786408122.19 total 10.01 last 55.07)
 - open/close 1257 (time 1786408132.21 total 20.02 last 70.52)
 - open/close 1879 (time 1786408142.23 total 30.04 last 62.07)
 - open/close 2635 (time 1786408152.23 total 40.04 last 75.57)
 - open/close 3403 (time 1786408162.25 total 50.06 last 76.66)
total: 4097 open/close in 60.04 seconds: 68.24 ops/second