== sanity test 421d: rmfid en masse ====================== 17:39:21 (1788471561)
 - open/close 678 (time 1788471576.24 total 10.00 last 67.80)
 - open/close 1368 (time 1788471586.25 total 20.00 last 68.98)
 - open/close 2173 (time 1788471596.26 total 30.01 last 80.41)
 - open/close 2927 (time 1788471606.26 total 40.02 last 75.38)
 - open/close 3619 (time 1788471616.27 total 50.03 last 69.13)
total: 4097 open/close in 57.21 seconds: 71.62 ops/second