== sanity test 421d: rmfid en masse ====================== 14:14:37 (1788977677)
 - open/close 695 (time 1788977691.68 total 10.00 last 69.49)
 - open/close 1449 (time 1788977701.68 total 20.00 last 75.39)
 - open/close 2118 (time 1788977711.68 total 30.01 last 66.85)
 - open/close 2824 (time 1788977721.69 total 40.01 last 70.59)
 - open/close 3551 (time 1788977731.69 total 50.02 last 72.66)
total: 4097 open/close in 57.92 seconds: 70.74 ops/second