Docker 容器多网卡

ip link add br0 type bridge   # ip link delete br0 
ip link set br0 up            # ip link set br0 down 
ip link set eth0 master br0   # ip link set eth0 nomaster

nspid=$(docker inspect -f '{{.State.Pid}}' ubuntu)
mkdir -p /var/run/netns/
ln -s /proc/${nspid}/ns/net /var/run/netns/${nspid}

ip link add vnet-n type veth peer name vnet-w