== sanity test 421d: rmfid en masse ====================== 23:18:28 (1784344708)
 - open/close 1484 (time 1784344720.56 total 10.00 last 148.35)
 - open/close 2795 (time 1784344730.56 total 20.00 last 131.08)
total: 4097 open/close in 29.94 seconds: 136.86 ops/second