== sanity test 421d: rmfid en masse ====================== 19:59:05 (1787788745)
 - open/close 666 (time 1787788760.09 total 10.00 last 66.58)
 - open/close 1377 (time 1787788770.10 total 20.01 last 71.05)
 - open/close 2113 (time 1787788780.10 total 30.01 last 73.57)
 - open/close 2819 (time 1787788790.11 total 40.02 last 70.54)
 - open/close 3503 (time 1787788800.11 total 50.03 last 68.38)
total: 4097 open/close in 58.45 seconds: 70.09 ops/second