Unable to create a network bridge for lxc

LXC
1

I am trying to setup an lxc container inside a docker container. I used the following to set up a bridge(br0) inside the docker container -

ip link add name br0 type bridge;
ip link set br0 up;
ip link set eth0 master br0;

In my lxc config (using -f flag on lxc-create),

lxc.net.0.type = veth
lxc.net.0.name = veth0
lxc.net.0.flags = up
lxc.net.0.link = br0

ip addr inside docker container

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff
22: eth0@if23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master
br0 state UP group default
    link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 172.17.0.2/16 brd 172.17.255.255 scope global eth0
       valid_lft forever preferred_lft forever

ip addr inside the lxc container

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: veth0@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 72:da:c1:ea:a7:75 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet6 fe80::70da:c1ff:feea:a775/64 scope link
       valid_lft forever preferred_lft forever

I’m new to lxc and don’t know much about network bridges. What am I missing here?