== sanity test 421d: rmfid en masse ====================== 01:56:31 (1788846991)
 - open/close 681 (time 1788847005.53 total 10.00 last 68.07)
 - open/close 1425 (time 1788847015.54 total 20.02 last 74.31)
 - open/close 2122 (time 1788847025.54 total 30.02 last 69.69)
 - open/close 2825 (time 1788847035.54 total 40.02 last 70.29)
 - open/close 3618 (time 1788847045.54 total 50.02 last 79.29)
total: 4097 open/close in 57.01 seconds: 71.87 ops/second