== sanity test 421d: rmfid en masse ====================== 21:19:23 (1788571163)
 - open/close 785 (time 1788571178.24 total 10.00 last 78.48)
 - open/close 1521 (time 1788571188.24 total 20.01 last 73.56)
 - open/close 2220 (time 1788571198.26 total 30.02 last 69.81)
 - open/close 2960 (time 1788571208.30 total 40.06 last 73.70)
 - open/close 3716 (time 1788571218.32 total 50.08 last 75.45)
total: 4097 open/close in 55.65 seconds: 73.63 ops/second