== sanity test 421d: rmfid en masse ====================== 09:40:34 (1787838034)
 - open/close 686 (time 1787838050.13 total 10.01 last 68.53)
 - open/close 1416 (time 1787838060.13 total 20.02 last 72.96)
 - open/close 2216 (time 1787838070.14 total 30.02 last 79.98)
 - open/close 3020 (time 1787838080.15 total 40.03 last 80.33)
 - open/close 3818 (time 1787838090.15 total 50.04 last 79.73)
total: 4097 open/close in 54.27 seconds: 75.49 ops/second