== sanity test 421d: rmfid en masse ====================== 11:52:20 (1779983540)
 - open/close 455 (time 1779983556.72 total 10.01 last 45.43)
 - open/close 1015 (time 1779983566.73 total 20.03 last 55.94)
 - open/close 1729 (time 1779983576.74 total 30.03 last 71.37)
 - open/close 2304 (time 1779983586.74 total 40.04 last 57.46)
 - open/close 3022 (time 1779983596.75 total 50.04 last 71.78)
 - open/close 3546 (time 1779983606.75 total 60.04 last 52.40)
 - open/close 3988 (time 1779983616.75 total 70.04 last 44.18)
total: 4097 open/close in 72.08 seconds: 56.84 ops/second