== sanity test 421d: rmfid en masse ====================== 13:48:44 (1761241724)
 - open/close 1019 (time 1761241736.80 total 10.01 last 101.85)
 - open/close 2003 (time 1761241746.80 total 20.01 last 98.37)
 - open/close 2868 (time 1761241756.81 total 30.01 last 86.46)
 - open/close 3708 (time 1761241766.82 total 40.02 last 83.92)
total: 4097 open/close in 44.49 seconds: 92.08 ops/second