systemctl start vpp
-ip route add 10.3.0.0/24 via 192.168.40.41 dev tap0
+# wait for TAP_DEV to become active before setting a route
+TAP_DEV=tap0
+STATUS=$(ip link show $TAP_DEV 2> /dev/null)
+while [ -z "$STATUS" ]; do
+ echo "$(date) v_bng_init.sh: $TAP_DEV is not yet ready..."
+ sleep 1
+ STATUS=$(ip link show $TAP_DEV 2> /dev/null)
+done
+ip route add 10.3.0.0/24 via 192.168.40.41 dev $TAP_DEV