Fix routing

Author: kislaykishore

npi/multinic/routing.dockerfile

@@ -15,4 +15,5 @@ RUN apk add --no-cache \
 
 # 1. Get Gateway IP from eth1
 # 2. Route Private Google Access VIPs through eth1
-CMD ["/bin/bash", "-c", "GW_IP=$(ip -4 addr show eth1 | grep -oP '(?<=inet\\s)\\d+(\\.\\d+){3}' | awk -F. '{print $1\".\"$2\".\"$3\".1\"}') && ip route add 199.36.153.8/30 via $GW_IP dev eth1"]
+
+CMD ["/bin/bash", "-c", "IP_ETH1=$(ip -4 addr show eth1 | grep -oP '(?<=inet\\s)\\d+(\\.\\d+){3}') && GW_ETH1=$(echo $IP_ETH1 | awk -F. '{print $1\".\"$2\".\"$3\".1\"}') && ip route add default via $GW_ETH1 dev eth1 table 100 && ip rule add from $IP_ETH1 lookup 100"]