== sanity test 421d: rmfid en masse ====================== 07:52:36 (1788609156)
 - open/close 713 (time 1788609169.63 total 10.03 last 71.11)
 - open/close 1346 (time 1788609179.64 total 20.04 last 63.25)
 - open/close 2179 (time 1788609189.64 total 30.04 last 83.23)
 - open/close 3051 (time 1788609199.65 total 40.05 last 87.17)
 - open/close 3896 (time 1788609209.65 total 50.05 last 84.49)
total: 4097 open/close in 52.17 seconds: 78.53 ops/second