== sanity test 421d: rmfid en masse ====================== 06:32:11 (1777026731)
 - open/close 1844 (time 1777026743.41 total 10.00 last 184.36)
 - open/close 3686 (time 1777026753.41 total 20.00 last 184.19)
total: 4097 open/close in 22.56 seconds: 181.59 ops/second