192.168.0.x is often used by routers for WIFI/ethernet networks, and thus
can create conflicts.
This can happen for example if a companion is connected to the FMU via
ethernet and at the same time connects to a WIFI network as DHCP client.
- during casual testing on default configs the stack was penetration was reaching ~90% which is a bit too close for comfort
- increasing by 50% to be conservative