Auto detect macvlan

if [ "$DEBUG" = "Y" ]; then

  GATEWAY=$(ip r | grep default | awk '{print $3}')

  IP=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)

  echo && ifconfig

  echo && ip route && echo

  echo "IP: ${IP} GATEWAY: ${GATEWAY}" && echo

  echo "Container IP: ${IP}" && echo

fi

update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null

update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null

#configureNatNetwork

GATEWAY=$(ip r | grep default | awk '{print $3}')

if [[ "$GATEWAY" == "172."* ]]; then

  # Configuration for bridge network

  configureNatNetwork

else

  # Configuration for macvlan network

  configureMacVlan

fi

# Hack for guest VMs complaining about "bad udp checksums in 5 packets"

iptables -A POSTROUTING -t mangle -p udp --dport bootpc -j CHECKSUM --checksum-fill