Customer is experiencing exactly what is described in this Knowledge-Base article:
But this appears to be incorrect - so Spectrum Sustaining was engaged.
This applies to all supported CA Spectrum platforms when running CA Spectrum R10.2.2 and R10.2.3
Device firmware upgrade introduces MIB-changes affecting current Spectrum intelligence.
This code improvement is covered by R10.3 first BMP-pack 10.03.00.BMP_10.3.001 (05 Nov 2018)