== sanity test 421d: rmfid en masse ====================== 15:32:01 (1789587121)
 - open/close 779 (time 1789587136.85 total 10.00 last 77.87)
 - open/close 1457 (time 1789587146.86 total 20.01 last 67.75)
 - open/close 2093 (time 1789587156.86 total 30.01 last 63.58)
 - open/close 2945 (time 1789587166.86 total 40.01 last 85.20)
 - open/close 3840 (time 1789587176.86 total 50.02 last 89.48)
total: 4097 open/close in 52.82 seconds: 77.57 ops/second