== sanity test 421d: rmfid en masse ====================== 10:38:05 (1761316685)
 - open/close 617 (time 1761316700.97 total 10.01 last 61.63)
 - open/close 1450 (time 1761316710.98 total 20.02 last 83.22)
 - open/close 2259 (time 1761316720.98 total 30.02 last 80.90)
 - open/close 3114 (time 1761316730.99 total 40.03 last 85.46)
 - open/close 3925 (time 1761316741.00 total 50.04 last 81.02)
total: 4097 open/close in 52.08 seconds: 78.66 ops/second