== sanity test 421d: rmfid en masse ====================== 00:24:45 (1786767885)
 - open/close 717 (time 1786767900.63 total 10.02 last 71.54)
 - open/close 1432 (time 1786767910.63 total 20.03 last 71.46)
 - open/close 2175 (time 1786767920.64 total 30.03 last 74.26)
 - open/close 2926 (time 1786767930.64 total 40.04 last 75.07)
 - open/close 3651 (time 1786767940.67 total 50.06 last 72.31)
total: 4097 open/close in 56.97 seconds: 71.92 ops/second