The [BareUDP] section only applies for netdevs of kind "bareudp",
and accepts the following keys:
DestinationPort=
Specifies the destination UDP port (in range 1...65535). This
is mandatory.
EtherType=
Specifies the L3 protocol. Takes one of "ipv4", "ipv6",
"mpls-uc" or "mpls-mc". This is mandatory.