There are just too many foreign military actors on the continent busy executing their own agendas.
Qatar had been a generous donor to Eritrea. UAE and Saudi Arabia have been using the Eritrean port of Assab in their war against the Houthi rebels in Yemen. The recent upheavals appear to have fallen well for Ethiopia
Djibouti at the confluence of three major geopolitical interests: shifting power plays in the Indian Ocean rim featuring Saudi Arabia, China and Iran, a US whose naval dominance is now challenged, and a rising Ethiopia