== sanity test 421d: rmfid en masse ====================== 02:19:51 (1788589191)
 - open/close 927 (time 1788589205.74 total 10.00 last 92.67)
 - open/close 1715 (time 1788589215.74 total 20.01 last 78.75)
 - open/close 2520 (time 1788589225.75 total 30.02 last 80.43)
 - open/close 3418 (time 1788589235.76 total 40.03 last 89.73)
total: 4097 open/close in 47.45 seconds: 86.35 ops/second