== sanity test 421d: rmfid en masse ====================== 18:21:37 (1788819697)
 - open/close 818 (time 1788819712.15 total 10.00 last 81.78)
 - open/close 1588 (time 1788819722.15 total 20.01 last 76.97)
 - open/close 2330 (time 1788819732.16 total 30.01 last 74.15)
 - open/close 3016 (time 1788819742.16 total 40.02 last 68.56)
 - open/close 3621 (time 1788819752.16 total 50.02 last 60.49)
total: 4097 open/close in 56.82 seconds: 72.11 ops/second