== sanity test 421d: rmfid en masse ====================== 18:46:48 (1788648408)
 - open/close 763 (time 1788648421.47 total 10.00 last 76.28)
 - open/close 1531 (time 1788648431.48 total 20.01 last 76.76)
 - open/close 2329 (time 1788648441.48 total 30.01 last 79.76)
 - open/close 3114 (time 1788648451.50 total 40.03 last 78.39)
 - open/close 3782 (time 1788648461.50 total 50.03 last 66.76)
total: 4097 open/close in 55.14 seconds: 74.30 ops/second