Eritrea was supporting the ICU when they were fighting Ethiopia. AS has a somewhat lenient policy towards Ethiopian forces this coupled with improved relations tells us its extremely unlikely any support is given to AS from ERI
There is a reason why there is an embargo until you can understand why dont ask for its removal.
They are usually bitter about foreign troops and lack of strict Islamic law. The same way we can overlook civilian casualties caused by pro-government forces is the same way they can