Eizens is correct.
Disable mesh on the AP [you need to know why you might or might not need it for your situation first].
The AP is checking on possible mesh connections so that if the wired connection fails then it cleanly transitions.
This article gives you an idea (as to what's happening but not what mesh is):https://support.ruckuswireless.com/answers/000003602
To disable mesh per AP from ZD
configure...access points...edit the AP...scroll down to advanced options...
From ZD interface