== sanity test 421d: rmfid en masse ====================== 22:06:32 (1767841592)
 - open/close 1394 (time 1767841604.36 total 10.00 last 139.34)
 - open/close 2839 (time 1767841614.37 total 20.01 last 144.38)
total: 4097 open/close in 29.86 seconds: 137.23 ops/second