== sanity test 421d: rmfid en masse ====================== 19:16:59 (1788650219)
 - open/close 858 (time 1788650236.95 total 10.00 last 85.80)
 - open/close 1783 (time 1788650246.96 total 20.01 last 92.45)
 - open/close 2666 (time 1788650256.96 total 30.01 last 88.27)
 - open/close 3487 (time 1788650266.96 total 40.01 last 82.09)
total: 4097 open/close in 48.79 seconds: 83.98 ops/second