== sanity test 421d: rmfid en masse ====================== 23:50:54 (1781236254)
 - open/close 738 (time 1781236269.52 total 10.02 last 73.69)
 - open/close 1564 (time 1781236279.52 total 20.02 last 82.57)
 - open/close 2358 (time 1781236289.54 total 30.03 last 79.28)
 - open/close 3093 (time 1781236299.54 total 40.04 last 73.48)
 - open/close 3817 (time 1781236309.55 total 50.04 last 72.36)
total: 4097 open/close in 53.73 seconds: 76.25 ops/second