== sanity test 421d: rmfid en masse ====================== 19:38:01 (1787701081)
 - open/close 953 (time 1787701096.62 total 10.01 last 95.19)
 - open/close 1809 (time 1787701106.64 total 20.03 last 85.47)
 - open/close 2595 (time 1787701116.64 total 30.03 last 78.60)
 - open/close 3455 (time 1787701126.65 total 40.04 last 85.93)
total: 4097 open/close in 47.15 seconds: 86.89 ops/second