Docker container inside OpenWrt not accepting traffic from lan

Installing and Using OpenWrt
14

after rereading Nftables vs dockerd a few more times

ip a | grep :\ br-   to list all existing bridges
docker network create my_network
ip a | grep :\ br-   look for a new bridge device in my case br-09996da2c762
service dockerd stop 
service dockerd uciadd myNetwork br-09996da2c762 myzone
service dockerd start

in /etc/config/firewall

config zone
  option name myzone
  list device br-09996da2c762 <<  add this line
  option input 'REJECT'
  option forward 'REJECT'
  option output 'ACCEPT'

config forwarding
  option src myzone
  option dest wan

reboot and now internet inside the docker container works

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