== sanity test 421d: rmfid en masse ====================== 06:35:47 (1762169747)
 - open/close 1387 (time 1762169760.02 total 10.01 last 138.60)
 - open/close 2959 (time 1762169770.02 total 20.02 last 157.08)
total: 4097 open/close in 27.11 seconds: 151.11 ops/second