== sanity test 421d: rmfid en masse ====================== 21:48:45 (1781228925)
 - open/close 1192 (time 1781228937.16 total 10.00 last 119.14)
 - open/close 2318 (time 1781228947.16 total 20.01 last 112.59)
 - open/close 3643 (time 1781228957.16 total 30.01 last 132.46)
total: 4097 open/close in 33.08 seconds: 123.85 ops/second