== sanity test 421d: rmfid en masse ====================== 20:18:58 (1788567538)
 - open/close 814 (time 1788567555.44 total 10.01 last 81.34)
 - open/close 1530 (time 1788567565.45 total 20.01 last 71.57)
 - open/close 2109 (time 1788567575.48 total 30.04 last 57.71)
 - open/close 2639 (time 1788567585.49 total 40.06 last 52.93)
 - open/close 3373 (time 1788567595.50 total 50.06 last 73.36)
 - open/close 4022 (time 1788567605.53 total 60.09 last 64.70)
total: 4097 open/close in 61.48 seconds: 66.64 ops/second