== sanity test 421d: rmfid en masse ====================== 11:58:51 (1776182331)
 - open/close 780 (time 1776182345.17 total 10.01 last 77.95)
 - open/close 1737 (time 1776182355.18 total 20.01 last 95.66)
 - open/close 2664 (time 1776182365.18 total 30.02 last 92.63)
 - open/close 3461 (time 1776182375.19 total 40.02 last 79.67)
total: 4097 open/close in 47.58 seconds: 86.11 ops/second