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 planned for R10.3 first BMP-pack - planned Spect/Oct 2018 (Statement per August 2018)