== sanity test 421d: rmfid en masse ====================== 23:22:10 (1787800930)
 - open/close 819 (time 1787800945.43 total 10.02 last 81.77)
 - open/close 1498 (time 1787800955.45 total 20.03 last 67.77)
 - open/close 2186 (time 1787800965.46 total 30.04 last 68.75)
 - open/close 2908 (time 1787800975.47 total 40.06 last 72.11)
 - open/close 3610 (time 1787800985.51 total 50.09 last 69.98)
total: 4097 open/close in 56.81 seconds: 72.12 ops/second