== sanity test 421d: rmfid en masse ====================== 08:59:24 (1787749164)
 - open/close 742 (time 1787749178.86 total 10.01 last 74.11)
 - open/close 1455 (time 1787749188.87 total 20.02 last 71.22)
 - open/close 2196 (time 1787749198.88 total 30.04 last 74.00)
 - open/close 2953 (time 1787749208.88 total 40.04 last 75.66)
 - open/close 3690 (time 1787749218.89 total 50.05 last 73.66)
total: 4097 open/close in 55.67 seconds: 73.59 ops/second