@@ -251,7 +251,7 @@ FIXED_NETWORK_SIZE=${FIXED_NETWORK_SIZE:-256}

 NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}

 # Find the interface used for the default route

-HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }')}

+HOST_IP_IFACE=${HOST_IP_IFACE:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}

 # Search for an IP unless an explicit is set by ``HOST_IP`` environment variable

 if [ -z "$HOST_IP" -o "$HOST_IP" == "dhcp" ]; then

     HOST_IP=""