== sanity test 421d: rmfid en masse ====================== 17:14:23 (1780089263)
 - open/close 1247 (time 1780089275.55 total 10.01 last 124.53)
 - open/close 2457 (time 1780089285.55 total 20.02 last 120.96)
 - open/close 3667 (time 1780089295.56 total 30.02 last 120.93)
total: 4097 open/close in 32.37 seconds: 126.58 ops/second