====== systemd-networkd ======

  * rename interface

<file ini /etc/systemd/network/10-ens2.link>
[Match]
Type=ether
MACAddress=00:11:22:aa:bb:cc

[Link]
MACAddressPolicy=presistent
Name=lan0
</file>

  * basic network configuration

<file ini /etc/systemd/network/20-lan0.network>
[Match]
Name=lan0

[Network]
Address=192.168.0.123/24
Address=192.168.0.124/24
Gateway=192.168.0.254
DNS=1.1.1.1
DNS=8.8.8.8

VLAN=lan0.10

[Route]
Gateway=192.168.0.1
Destination=10.0.0.0/24
</file>

<file ini /etc/systemd/network/20-enp1s0.network>
[Match]
Name=enp1s0

[Network]
DHCP=yes
</file>


  * VLAN configuration

<file ini /etc/systemd/network/30-lan0.10.netdev>
[NetDev]
Name=lan0.10
Kind=vlan

[VLAN]
Id=10
</file>

<file ini /etc/systemd/network/40-lan0.10.network>
[Match]
Name=lan0.10

[Network]
Address=172.16.0.123/24
</file>