== sanity test 421d: rmfid en masse ====================== 20:39:50 (1788395990)
 - open/close 802 (time 1788396004.82 total 10.00 last 80.16)
 - open/close 1485 (time 1788396014.82 total 20.01 last 68.28)
 - open/close 2213 (time 1788396024.82 total 30.01 last 72.76)
 - open/close 2987 (time 1788396034.83 total 40.02 last 77.36)
 - open/close 3725 (time 1788396044.83 total 50.02 last 73.78)
total: 4097 open/close in 55.10 seconds: 74.35 ops/second