== sanity test 421d: rmfid en masse ====================== 09:12:39 (1787145159)
 - open/close 769 (time 1787145174.55 total 10.00 last 76.86)
 - open/close 1537 (time 1787145184.57 total 20.02 last 76.66)
 - open/close 2444 (time 1787145194.57 total 30.03 last 90.67)
 - open/close 3260 (time 1787145204.58 total 40.04 last 81.51)
total: 4097 open/close in 49.26 seconds: 83.17 ops/second