== sanity test 421d: rmfid en masse ====================== 10:49:28 (1781621368)
 - open/close 1142 (time 1781621381.02 total 10.00 last 114.20)
 - open/close 2523 (time 1781621391.02 total 20.01 last 138.04)
 - open/close 4013 (time 1781621401.03 total 30.01 last 148.93)
total: 4097 open/close in 30.74 seconds: 133.26 ops/second