Prerequisites 

• Ubuntu 14.04 LTS (Trusty Tahr)

LXC(LinuX Container) has only one network interface when its created, so we have to add other interfaces manually.

Create an container 

sudo lxc-create -t download -n <cotnainer name> -- -d ubuntu -r trusty -a amd64

And now, LXC creates a pair of tap devies. One connects to container, another one connects to OVS bridge.

Modify Config 

You will see somthing like this in /var/lib/lxc/<container name>/config

# Network configuration
lxc.network.type = veth
lxc.network.flags = up
lxc.network.link = lxcbr0
lxc.network.hwaddr = 00:16:3e:aa:cc:9c

Just copy/paste original network configuration in file and change

• lxc.network.hwaddr (MAC address)

Optional:

• lxc.network.link (the bridge name that virtual interface connects to)

Example 

• /var/lib/lxc/<container name>/config

# Network configuration
lxc.network.type = veth
lxc.network.flags = up
lxc.network.link = lxcbr0
lxc.network.hwaddr = 00:16:3e:aa:cc:9c

lxc.network.type = veth
lxc.network.flags = up
lxc.network.link = lxcbr0
lxc.network.hwaddr = 00:16:3e:aa:cc:9D

Reference 

• https://help.ubuntu.com/12.04/serverguide/lxc.html#lxc-conf

See Also

• LXC with OpenvSwitch
• Kubernetes - Two Steps Installation
• Adopting Container and Kubernetes in Production
• Check Containers Status with Ctop
• Building Minimal Docker Image for Go Applications