== sanity test 421d: rmfid en masse ====================== 01:51:06 (1781243466)
 - open/close 917 (time 1781243479.53 total 10.01 last 91.64)
 - open/close 1994 (time 1781243489.54 total 20.01 last 107.64)
 - open/close 3006 (time 1781243499.54 total 30.02 last 101.15)
 - open/close 3953 (time 1781243509.55 total 40.02 last 94.63)
total: 4097 open/close in 41.64 seconds: 98.38 ops/second