network:
   version: 2
   renderer: networkd
   ethernets:
     eth0:
       addresses:
       - 5.78.86.156/32
       - 2a01:4ff:1f0:83de::2/64
       - 2a01:4ff:1f0:83de::3/64
       - 2a01:4ff:1f0:83de::4/64
   tunnels:
     gre1:
       mode: gre
       local: 5.78.86.156
       remote: 94.190.212.123
       addresses:
        - 10.47.3.0/31