== sanity test 421d: rmfid en masse ====================== 14:09:04 (1788804544)
 - open/close 787 (time 1788804560.41 total 10.01 last 78.60)
 - open/close 1518 (time 1788804570.41 total 20.01 last 73.08)
 - open/close 2273 (time 1788804580.42 total 30.03 last 75.38)
 - open/close 3128 (time 1788804590.43 total 40.03 last 85.46)
 - open/close 3941 (time 1788804600.43 total 50.04 last 81.29)
total: 4097 open/close in 51.88 seconds: 78.98 ops/second