== sanity test 421d: rmfid en masse ====================== 13:52:26 (1784051546)
 - open/close 785 (time 1784051560.55 total 10.02 last 78.37)
 - open/close 1583 (time 1784051570.55 total 20.02 last 79.78)
 - open/close 2358 (time 1784051580.56 total 30.02 last 77.46)
 - open/close 3194 (time 1784051590.57 total 40.03 last 83.55)
 - open/close 4007 (time 1784051600.57 total 50.04 last 81.25)
total: 4097 open/close in 51.03 seconds: 80.29 ops/second