== sanity test 421d: rmfid en masse ====================== 02:39:25 (1788849565)
 - open/close 857 (time 1788849579.64 total 10.00 last 85.68)
 - open/close 1636 (time 1788849589.64 total 20.01 last 77.87)
 - open/close 2330 (time 1788849599.64 total 30.01 last 69.37)
 - open/close 3000 (time 1788849609.66 total 40.02 last 66.91)
 - open/close 3668 (time 1788849619.66 total 50.02 last 66.80)
total: 4097 open/close in 54.86 seconds: 74.68 ops/second