systemd/test/test-network/conf/25-nexthop.network

[Match]
Name=veth99

[Network]
IPv6AcceptRA=no
Address=2001:1234:5:8f63::1/120
Address=192.168.5.10/24
Gateway=192.168.5.1

[NextHop]
Id=1
Gateway=192.168.5.1

[NextHop]
Id=2
Gateway=2001:1234:5:8f63::2

[NextHop]
Id=3
Family=ipv6

[NextHop]
Id=4
Family=ipv4

[NextHop]
Gateway=192.168.5.2

[Route]
NextHop=1
Destination=10.10.10.10

[Route]
NextHop=2
Destination=10.10.10.11

[Route]
NextHop=2
Destination=2001:1234:5:8f62::1