== sanity test 421d: rmfid en masse ====================== 21:59:08 (1767322748)
 - open/close 1102 (time 1767322761.67 total 10.01 last 110.08)
 - open/close 2147 (time 1767322771.68 total 20.02 last 104.43)
 - open/close 3235 (time 1767322781.68 total 30.02 last 108.79)
total: 4097 open/close in 37.00 seconds: 110.73 ops/second