== sanity test 421d: rmfid en masse ====================== 17:38:52 (1768257532)
 - open/close 1250 (time 1768257544.37 total 10.01 last 124.91)
 - open/close 2826 (time 1768257554.38 total 20.01 last 157.54)
total: 4097 open/close in 29.97 seconds: 136.71 ops/second