https://unix.stackexchange.com/questions/353836/how-to-tell-networkgateway-to-not-use-an-ethernet-profile-as-default-gateway
nmcli con show
NAME UUID TYPE DEVICE
eth0 c0ab4c5a-0edb-a1b4-2a33-dba7a31033e 802-3-ethernet eth0
You can access the nmcli editor via
nmcli con modify "Ligação com fios 2" ipv4.never-default yes
nmcli con edit eth0
nmcli> describe ipv4.never-default
=== [never-default] ===
[NM property description]
If TRUE, this connection will never be the default connection for this IP type, meaning it