== sanity test 421d: rmfid en masse ====================== 06:40:20 (1787827220)
 - open/close 844 (time 1787827234.82 total 10.00 last 84.36)
 - open/close 1705 (time 1787827244.82 total 20.01 last 86.06)
 - open/close 2548 (time 1787827254.83 total 30.02 last 84.22)
 - open/close 3438 (time 1787827264.84 total 40.03 last 88.95)
total: 4097 open/close in 48.41 seconds: 84.63 ops/second