== sanity test 421d: rmfid en masse ====================== 19:52:41 (1784764361)
 - open/close 774 (time 1784764375.46 total 10.00 last 77.40)
 - open/close 1518 (time 1784764385.46 total 20.00 last 74.37)
 - open/close 2221 (time 1784764395.48 total 30.02 last 70.19)
 - open/close 3087 (time 1784764405.48 total 40.03 last 86.56)
 - open/close 3802 (time 1784764415.50 total 50.04 last 71.38)
total: 4097 open/close in 54.00 seconds: 75.87 ops/second