Make network configuration

#!/bin/sh
set -x

port=enp0s8
lladdr=$(ip link show $port | awk '/ether /{print $2}')

sysctl -w net.ipv4.ip_forward=1

ip link add h1-eth0 type veth peer name s1-eth0
ip netns add h1
ip link set h1-eth0 netns h1

ovs-vsctl \
        -- --if-exists del-br s1 \
        -- add-br s1 \
        -- set bridge s1 \
                other_config:datapath-id=0000000000000001 \
                fail_mode=secure \
                other-config:disable-in-band=true \
                protocols=OpenFlow13 \
        -- add-port s1 s1-eth0

ovs-ofctl add-flow s1 -O OpenFlow13 actions=flood

ip netns exec h1 ip addr add 10.0.8.1/24 dev h1-eth0
ip netns exec h1 ip link set h1-eth0 address ${lladdr}
ip netns exec h1 ip link set h1-eth0 up
ip netns exec h1 ip route add default dev h1-eth0
ip link set s1-eth0 up

#ifconfig ${port} 0.0.0.0
ovs-vsctl add-port s1 ${port}