== sanity test 421d: rmfid en masse ====================== 15:50:03 (1789069803)
 - open/close 886 (time 1789069817.92 total 10.00 last 88.57)
 - open/close 1766 (time 1789069827.93 total 20.01 last 87.90)
 - open/close 2650 (time 1789069837.94 total 30.02 last 88.37)
 - open/close 3495 (time 1789069847.95 total 40.03 last 84.38)
total: 4097 open/close in 47.14 seconds: 86.92 ops/second