I have tried nrf_mesh_disable(); but it does not turn off the Provision Beaconing.
mesh_provisionee_prov_listen_stop(); does the trick, however I am struggling with re-enabling the beaconing. mesh_provisionee_prov_start(&prov_start_params) throws an error "Mesh assert at 0x00032FB0 (:0)".
Screenshot of call stack attached bellow: