== sanity test 421d: rmfid en masse ====================== 01:35:58 (1786944958)
 - open/close 954 (time 1786944971.67 total 10.00 last 95.36)
 - open/close 1849 (time 1786944981.68 total 20.01 last 89.50)
 - open/close 2883 (time 1786944991.68 total 30.01 last 103.36)
 - open/close 3904 (time 1786945001.68 total 40.01 last 102.08)
total: 4097 open/close in 41.75 seconds: 98.12 ops/second