== sanity test 421d: rmfid en masse ====================== 23:14:20 (1789614860)
 - open/close 775 (time 1789614874.41 total 10.01 last 77.42)
 - open/close 1571 (time 1789614884.41 total 20.01 last 79.59)
 - open/close 2363 (time 1789614894.41 total 30.02 last 79.17)
 - open/close 2978 (time 1789614904.42 total 40.02 last 61.45)
 - open/close 3795 (time 1789614914.42 total 50.03 last 81.68)
total: 4097 open/close in 53.89 seconds: 76.02 ops/second