== sanity test 421d: rmfid en masse ====================== 19:25:45 (1781220345)
 - open/close 1298 (time 1781220358.01 total 10.00 last 129.75)
 - open/close 2827 (time 1781220368.01 total 20.01 last 152.81)
total: 4097 open/close in 28.98 seconds: 141.36 ops/second