== sanity test 421d: rmfid en masse ====================== 12:42:42 (1783960962)
 - open/close 812 (time 1783960977.99 total 10.03 last 81.00)
 - open/close 1766 (time 1783960988.00 total 20.03 last 95.32)
 - open/close 2617 (time 1783960998.02 total 30.05 last 84.96)
 - open/close 3421 (time 1783961008.03 total 40.06 last 80.30)
total: 4097 open/close in 48.07 seconds: 85.23 ops/second