Hey, problem was that the Client Balancing behavior changed with MR29.1 Version. https://documentation.meraki.com/MR/Other_Topics/Client_Balancing#Client_Balancing_Behavior_-_MR_29.X_and_Newer_Firmware For some reason the client flapped between two AccessPoints and because of that the client did send a lot of DHCP Requests, Discovers and DHCP Decline messages... I turned off Client Balancing and it seems to be OK.
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