== sanity test 421d: rmfid en masse ====================== 13:39:24 (1788197964)
 - open/close 722 (time 1788197979.21 total 10.02 last 72.07)
 - open/close 1509 (time 1788197989.22 total 20.03 last 78.61)
 - open/close 2223 (time 1788197999.22 total 30.03 last 71.38)
 - open/close 2863 (time 1788198009.22 total 40.03 last 63.99)
 - open/close 3488 (time 1788198019.22 total 50.04 last 62.48)
total: 4097 open/close in 57.51 seconds: 71.24 ops/second