network:
    ethernets:
        ens18:
            dhcp4: true
            routes:
            - to: 10.10.0.0/24
              via: 192.168.26.6
    version: 2


----

# ip r
default via 192.168.26.254 dev ens18 proto dhcp src 192.168.26.3 metric 100
192.168.26.0/24 dev ens18 proto kernel scope link src 192.168.26.3
192.168.26.254 dev ens18 proto dhcp scope link src 192.168.26.3 metric 100