== sanity test 421d: rmfid en masse ====================== 23:03:21 (1788836601)
 - open/close 558 (time 1788836616.12 total 10.01 last 55.73)
 - open/close 1232 (time 1788836626.12 total 20.02 last 67.35)
 - open/close 2000 (time 1788836636.14 total 30.03 last 76.72)
 - open/close 2758 (time 1788836646.14 total 40.04 last 75.78)
 - open/close 3546 (time 1788836656.15 total 50.05 last 78.72)
total: 4097 open/close in 56.80 seconds: 72.13 ops/second