Конфиг:
[Match]
Name=eth0
[Address]
Address=172.17.100.18/24
[Address]
Address=301:x:x:x::18/64
[Address]
Address=198.18.51.5/32
[Address]
Address=2axx:x:x:x::5/128
[Route]
Destination=0.0.0.0/0
Gateway=172.17.100.1
[Route]
Destination=::/0
Gateway=301:fd1:86e3:521c::1