== sanity test 421d: rmfid en masse ====================== 12:29:35 (1782491375)
 - open/close 669 (time 1782491389.61 total 10.01 last 66.81)
 - open/close 1314 (time 1782491399.61 total 20.01 last 64.50)
 - open/close 2093 (time 1782491409.61 total 30.02 last 77.86)
 - open/close 2837 (time 1782491419.62 total 40.02 last 74.35)
 - open/close 3545 (time 1782491429.62 total 50.03 last 70.78)
total: 4097 open/close in 56.93 seconds: 71.97 ops/second