Can't disable monitor mode for mesh

Hello,

I hve following setup:

ADSL modem <->  Router 1 with DHCP  <->   Router 2 with Wifi   <->  LAN devices + some wifi
                                     \_ Firewalla                          \
                                                                                  \_ Mesh satellite - other wifi devices

Router 1 : old netgear running OpenWrt
Router 2 : Asus device with original firmware
Mesh Satellite : Asus/Lyra device

Firewalla is setup in simple mode.

I had some issue with devices connected in wifi on the mesh satellite, so I disable monitor using the Firewalla app, but it looks like the monitor mode is coming back on after some time, and other device could get the "no monitor" mode instead

I have a firewalla blue, version 1.961 / app version 1.29

Anything wrong on my side ?

Chris