== sanity test 421d: rmfid en masse ====================== 20:19:51 (1789690791)
 - open/close 858 (time 1789690806.25 total 10.01 last 85.71)
 - open/close 1759 (time 1789690816.26 total 20.01 last 90.07)
 - open/close 2379 (time 1789690826.28 total 30.03 last 61.88)
 - open/close 3167 (time 1789690836.28 total 40.04 last 78.74)
 - open/close 4057 (time 1789690846.31 total 50.06 last 88.79)
total: 4097 open/close in 50.58 seconds: 81.01 ops/second