== sanity test 421d: rmfid en masse ====================== 06:29:21 (1786184961)
 - open/close 692 (time 1786184976.08 total 10.02 last 69.09)
 - open/close 1467 (time 1786184986.08 total 20.02 last 77.50)
 - open/close 2349 (time 1786184996.08 total 30.02 last 88.20)
 - open/close 3106 (time 1786185006.09 total 40.02 last 75.64)
 - open/close 3996 (time 1786185016.09 total 50.03 last 88.99)
total: 4097 open/close in 51.17 seconds: 80.07 ops/second