== sanity test 421d: rmfid en masse ====================== 21:22:36 (1780968156)
 - open/close 680 (time 1780968170.18 total 10.01 last 67.93)
 - open/close 1351 (time 1780968180.19 total 20.02 last 67.05)
 - open/close 2010 (time 1780968190.21 total 30.04 last 65.75)
 - open/close 2693 (time 1780968200.21 total 40.04 last 68.29)
 - open/close 3350 (time 1780968210.23 total 50.05 last 65.62)
 - open/close 4027 (time 1780968220.23 total 60.06 last 67.68)
total: 4097 open/close in 61.21 seconds: 66.93 ops/second