== sanity test 421d: rmfid en masse ====================== 02:42:53 (1788849773)
 - open/close 888 (time 1788849786.25 total 10.01 last 88.72)
 - open/close 1806 (time 1788849796.25 total 20.01 last 91.77)
 - open/close 2738 (time 1788849806.26 total 30.02 last 93.12)
 - open/close 3716 (time 1788849816.27 total 40.03 last 97.74)
total: 4097 open/close in 43.76 seconds: 93.63 ops/second