SERVER_NAMESPACE='namespace1' CLIENT_NAMESPACE='namespace2' SERVER_VETH_IFACE_NAME='veth1' CLIENT_VETH_IFACE_NAME='veth2' SERVER_BR_VETH_IFACE_NAME="br-$SERVER_VETH_IFACE_NAME" CLIENT_BR_VETH_IFACE_NAME="br-$CLIENT_VETH_IFACE_NAME" BRIDGE_IFACE_NAME='br1' BRIDGE_ADDR='192.168.1.10/24' SERVER_ADDR='192.168.1.11/24' CLIENT_ADDR='192.168.1.12/24' HTTP_ADDR='10.0.0.1' HTTP_PORT=80