== sanity test 421d: rmfid en masse ====================== 03:10:37 (1788851437)
 - open/close 837 (time 1788851451.24 total 10.01 last 83.65)
 - open/close 1643 (time 1788851461.25 total 20.01 last 80.53)
 - open/close 2421 (time 1788851471.25 total 30.02 last 77.78)
 - open/close 3228 (time 1788851481.26 total 40.03 last 80.61)
 - open/close 4036 (time 1788851491.28 total 50.04 last 80.67)
total: 4097 open/close in 50.86 seconds: 80.55 ops/second