== sanity test 421d: rmfid en masse ====================== 17:25:15 (1787779515)
 - open/close 616 (time 1787779531.82 total 10.00 last 61.57)
 - open/close 1253 (time 1787779541.84 total 20.02 last 63.60)
 - open/close 1949 (time 1787779551.86 total 30.04 last 69.45)
 - open/close 2613 (time 1787779561.87 total 40.05 last 66.35)
 - open/close 3272 (time 1787779571.87 total 50.05 last 65.90)
 - open/close 3979 (time 1787779581.89 total 60.07 last 70.53)
total: 4097 open/close in 61.66 seconds: 66.45 ops/second