If you want to use the management IP address please use a different subnet other than your existing enterprise management subnet. Or, you can remove the management interface IP address and update the maglev config. "sudo maglev-config update" from CI...
During appliance configuration, the Maglev Configuration wizard does not let you proceed until you assign the Cluster Link option to an interface.Make sure that the cluster link interface is connected to a switch port and is in the UP state.