== sanity test 421d: rmfid en masse ====================== 21:15:38 (1785460538)
 - open/close 852 (time 1785460553.15 total 10.00 last 85.17)
 - open/close 1681 (time 1785460563.15 total 20.01 last 82.86)
 - open/close 2534 (time 1785460573.15 total 30.01 last 85.29)
 - open/close 3322 (time 1785460583.16 total 40.02 last 78.76)
total: 4097 open/close in 48.97 seconds: 83.66 ops/second