== sanity test 421d: rmfid en masse ====================== 17:43:47 (1775771027)
 - open/close 786 (time 1775771043.37 total 10.01 last 78.54)
 - open/close 1619 (time 1775771053.38 total 20.02 last 83.22)
 - open/close 2458 (time 1775771063.38 total 30.02 last 83.90)
 - open/close 3194 (time 1775771073.39 total 40.03 last 73.50)
 - open/close 3961 (time 1775771083.40 total 50.04 last 76.64)
total: 4097 open/close in 51.85 seconds: 79.02 ops/second