== sanity test 421d: rmfid en masse ====================== 23:47:31 (1787197651)
 - open/close 818 (time 1787197665.42 total 10.01 last 81.69)
 - open/close 1601 (time 1787197675.42 total 20.02 last 78.26)
 - open/close 2386 (time 1787197685.43 total 30.02 last 78.48)
 - open/close 3186 (time 1787197695.43 total 40.02 last 79.99)
 - open/close 3952 (time 1787197705.43 total 50.03 last 76.57)
total: 4097 open/close in 52.17 seconds: 78.53 ops/second