== sanity test 421d: rmfid en masse ====================== 09:11:27 (1787836287)
 - open/close 882 (time 1787836303.44 total 10.00 last 88.18)
 - open/close 1645 (time 1787836313.44 total 20.01 last 76.26)
 - open/close 2429 (time 1787836323.45 total 30.01 last 78.35)
 - open/close 3255 (time 1787836333.45 total 40.02 last 82.57)
total: 4097 open/close in 49.18 seconds: 83.31 ops/second