== sanity test 421d: rmfid en masse ====================== 23:22:10 (1789183330)
 - open/close 806 (time 1789183344.92 total 10.00 last 80.60)
 - open/close 1596 (time 1789183354.92 total 20.01 last 78.94)
 - open/close 2434 (time 1789183364.93 total 30.01 last 83.75)
 - open/close 3228 (time 1789183374.93 total 40.01 last 79.40)
 - open/close 4022 (time 1789183384.94 total 50.02 last 79.34)
total: 4097 open/close in 50.89 seconds: 80.51 ops/second