== sanity test 421d: rmfid en masse ====================== 11:33:32 (1786635212)
 - open/close 808 (time 1786635226.84 total 10.01 last 80.69)
 - open/close 1550 (time 1786635236.86 total 20.03 last 74.09)
 - open/close 2374 (time 1786635246.86 total 30.03 last 82.37)
 - open/close 3153 (time 1786635256.88 total 40.04 last 77.80)
 - open/close 3924 (time 1786635266.88 total 50.05 last 77.10)
total: 4097 open/close in 51.84 seconds: 79.04 ops/second