== sanity test 421d: rmfid en masse ====================== 18:19:59 (1781216399)
 - open/close 702 (time 1781216413.86 total 10.01 last 70.14)
 - open/close 1543 (time 1781216423.86 total 20.01 last 84.06)
 - open/close 2297 (time 1781216433.88 total 30.03 last 75.28)
 - open/close 3137 (time 1781216443.89 total 40.04 last 83.93)
 - open/close 3945 (time 1781216453.90 total 50.05 last 80.71)
total: 4097 open/close in 51.80 seconds: 79.09 ops/second