Egypt has not taken much of a stance publicly on what is happening in Ethiopia. Egypt has very strong interests at stake because of the Nile River and because of the GERD. Ethiopia and Sudan share similar concerns about reaching an agreement with Ethiopia on the management of the water flows, but we have not seen direct interference by Egypt in this conflict.
Evidence of meeting #7 for Foreign Affairs and International Development in the 44th Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was conflict.
A recording is available from Parliament.