== sanity test 421d: rmfid en masse ====================== 13:20:41 (1781284841)
 - open/close 729 (time 1781284855.66 total 10.01 last 72.86)
 - open/close 1483 (time 1781284865.66 total 20.01 last 75.37)
 - open/close 2103 (time 1781284875.67 total 30.02 last 61.94)
 - open/close 2753 (time 1781284885.70 total 40.05 last 64.81)
 - open/close 3516 (time 1781284895.70 total 50.05 last 76.29)
total: 4097 open/close in 58.67 seconds: 69.84 ops/second