== sanity test 421d: rmfid en masse ====================== 20:29:21 (1787704161)
 - open/close 837 (time 1787704175.63 total 10.00 last 83.68)
 - open/close 1595 (time 1787704185.63 total 20.01 last 75.75)
 - open/close 2329 (time 1787704195.64 total 30.01 last 73.37)
 - open/close 3191 (time 1787704205.64 total 40.02 last 86.15)
 - open/close 4047 (time 1787704215.65 total 50.02 last 85.58)
total: 4097 open/close in 50.70 seconds: 80.81 ops/second