== sanity test 421d: rmfid en masse ====================== 16:48:17 (1787863697)
 - open/close 721 (time 1787863711.76 total 10.00 last 72.09)
 - open/close 1360 (time 1787863721.77 total 20.02 last 63.80)
 - open/close 2075 (time 1787863731.78 total 30.02 last 71.46)
 - open/close 2834 (time 1787863741.79 total 40.03 last 75.85)
 - open/close 3577 (time 1787863751.79 total 50.03 last 74.28)
total: 4097 open/close in 57.66 seconds: 71.06 ops/second