== sanity test 421d: rmfid en masse ====================== 13:10:04 (1788628204)
 - open/close 673 (time 1788628218.97 total 10.00 last 67.30)
 - open/close 1461 (time 1788628228.97 total 20.00 last 78.80)
 - open/close 2195 (time 1788628238.98 total 30.01 last 73.36)
 - open/close 3027 (time 1788628248.98 total 40.01 last 83.18)
 - open/close 3824 (time 1788628258.99 total 50.02 last 79.62)
total: 4097 open/close in 53.02 seconds: 77.27 ops/second