== sanity test 421d: rmfid en masse ====================== 05:09:26 (1788512966)
 - open/close 823 (time 1788512980.03 total 10.00 last 82.28)
 - open/close 1685 (time 1788512990.03 total 20.01 last 86.13)
 - open/close 2557 (time 1788513000.04 total 30.01 last 87.18)
 - open/close 3422 (time 1788513010.04 total 40.02 last 86.44)
total: 4097 open/close in 47.22 seconds: 86.76 ops/second