== sanity test 421d: rmfid en masse ====================== 17:58:24 (1776203904)
 - open/close 903 (time 1776203918.64 total 10.00 last 90.27)
 - open/close 1799 (time 1776203928.65 total 20.01 last 89.57)
 - open/close 2686 (time 1776203938.66 total 30.02 last 88.61)
 - open/close 3599 (time 1776203948.66 total 40.02 last 91.29)
total: 4097 open/close in 46.24 seconds: 88.60 ops/second