== sanity test 421d: rmfid en masse ====================== 11:44:55 (1776872695)
 - open/close 1283 (time 1776872707.67 total 10.00 last 128.29)
 - open/close 2508 (time 1776872717.68 total 20.01 last 122.41)
 - open/close 3627 (time 1776872727.70 total 30.02 last 111.71)
total: 4097 open/close in 33.55 seconds: 122.13 ops/second