== sanity test 421d: rmfid en masse ====================== 23:36:19 (1777001779)
 - open/close 774 (time 1777001792.73 total 10.01 last 77.35)
 - open/close 1572 (time 1777001802.74 total 20.02 last 79.73)
 - open/close 2400 (time 1777001812.75 total 30.02 last 82.74)
 - open/close 3197 (time 1777001822.75 total 40.03 last 79.66)
 - open/close 4038 (time 1777001832.76 total 50.04 last 84.04)
total: 4097 open/close in 50.70 seconds: 80.81 ops/second