The [MACsecReceiveChannel] section only applies for network
devices of kind "macsec", and accepts the following keys:
Port=
Specifies the port to be used for the MACsec receive channel.
The port is used to make secure channel identifier (SCI).
Takes a value between 1 and 65535. This option is compulsory,
and is not set by default.
MACAddress=
Specifies the MAC address to be used for the MACsec receive
channel. The MAC address used to make secure channel
identifier (SCI). This setting is compulsory, and is not set
by default.