iBeacon not counting down in confidence about monitor HOT 8 CLOSED

frank@raspberrypi:~/monitor $ sudo bash monitor.sh -b
Starting monitor.sh (v. 0.1.691)...
> ibeacon reporting mode enabled
> preference: delay between scans = 3
> preference: periodic arrive/depart check interval = 15
> preference: periodic arrive interval = 45
> preference: periodic depart interval = 90
> preference: database refresh interval = 35
> preference: max arrival scan attempts = 2
> preference: max depart scan attempts = 4
> preference: random advertisement expiration = 45
> preference: rssi threshold for triggering = -70
> preference: beacon rssi change required for reporting = 10
> preference: bluetooth environmental report frequency = 300
> preference: forced departure check interval = 240
> preference: interval until beacon is considered expired = 145
> preference: trigger a departure scan at other nodes below [x] confidence = 25
> preference: preferred HCI device = hci0
> preference: minimum time between the same type of scan = 15
> preference: mqtt scan start/end reporting = false
> mqtt trigger: monitor/scan/ARRIVE
> mqtt trigger: monitor/scan/DEPART
0.1.691 12:56:53 am [CMD-RSSI]  51:B3:E2:E8:BF:6C Undiscoverable Device Name RAND RSSI: -69 dBm (Fast Motion Departing, changed -69)
0.1.691 12:56:53 am [CMD-RAND]  51:B3:E2:E8:BF:6C ADV_NONCONN_IND -69 dBm
0.1.691 12:57:34 am [CMD-RSSI]  E2C56DB5-DFFB-48D2-B060-D0F5A71096E0-0-0 Undiscoverable Device Name BEAC RSSI: -80 dBm (Fast Motion Departing, changed -80)
0.1.691 12:57:35 am [CMD-BEAC]  E2C56DB5-DFFB-48D2-B060-D0F5A71096E0-0-0 E2C56DB5-DFFB-48D2-B060-D0F5A71096E0 0 0 Undiscoverable Device Name Unknown
0.1.691 12:57:35 am monitor/home/E2C56DB5-DFFB-48D2-B060-D0F5A71096E0-0-0
{
        retain: false
        version : 0.1.691
        address : E2C56DB5-DFFB-48D2-B060-D0F5A71096E0-0-0
        confidence : 100
        name : Undiscoverable Device Name
        timestamp : Wed Oct 31 2018 00:57:35 GMT+0000 (UTC)
        manufacturer : Unknown
        type : APPLE_IBEACON
        rssi : -80
        power : -59
}
0.1.691 12:58:01 am [CHECK-DEL] 51:B3:E2:E8:BF:6C expired after 68 seconds
0.1.691 12:59:38 am [CMD-RAND]  51:B3:E2:E8:BF:6C ADV_NONCONN_IND -66 dBm
0.1.691 01:00:23 am [CHECK-DEL] E2C56DB5-DFFB-48D2-B060-D0F5A71096E0-0-0 expired after 167 seconds
0.1.691 01:00:45 am [CMD-RSSI]  51:B3:E2:E8:BF:6C Undiscoverable Device Name RAND RSSI: -52 dBm (Slow/No Motion, changed 16)
0.1.691 01:00:45 am [CMD-RAND]  51:B3:E2:E8:BF:6C ADV_NONCONN_IND -52 dBm
0.1.691 01:00:45 am [CMD-RSSI]  51:B3:E2:E8:BF:6C Undiscoverable Device Name RAND RSSI: -68 dBm (Slow/No Motion, changed -16)
0.1.691 01:01:32 am [CHECK-DEL] 51:B3:E2:E8:BF:6C expired after 46 seconds
0.1.691 01:02:59 am [CMD-RSSI]  3C:95:25:67:DD:8C Undiscoverable Device Name PUBL RSSI: -69 dBm (Fast Motion Departing, changed -69)
0.1.691 01:04:36 am [CMD-RSSI]  53:EF:B1:BE:70:93 Undiscoverable Device Name RAND RSSI: -70 dBm (Fast Motion Departing, changed -70)
0.1.691 01:04:36 am [CMD-RAND]  53:EF:B1:BE:70:93 ADV_NONCONN_IND -70 dBm
0.1.691 01:05:38 am [CHECK-DEL] 3C:95:25:67:DD:8C expired after 160 seconds
0.1.691 01:06:12 am [CHECK-DEL] 53:EF:B1:BE:70:93 expired after 63 seconds