== sanity test 421d: rmfid en masse ====================== 02:27:30 (1789712850)
 - open/close 775 (time 1789712864.83 total 10.00 last 77.47)
 - open/close 1517 (time 1789712874.84 total 20.01 last 74.14)
 - open/close 2298 (time 1789712884.84 total 30.01 last 78.07)
 - open/close 3031 (time 1789712894.87 total 40.05 last 73.06)
 - open/close 3723 (time 1789712904.89 total 50.06 last 69.10)
total: 4097 open/close in 56.68 seconds: 72.28 ops/second