Coovachilli Image Builder error

Hello everybody,

I did an image with Image Builder, that include coovachilli package, but when I try to start coovachilli get the follow error.

root@LEDE:~# chilli --debug --fg
coova-chilli: Error opening configuration file '/etc/chilli/main.conf'
coova-chilli: Error opening configuration file '/etc/chilli/hs.conf'
coova-chilli: Error opening configuration file '/etc/chilli/local.conf'
coova-chilli[2462]: options.c: 181: could not generate configuration (/var/run/chilli.2462.cfg.bin), sleeping one second
coova-chilli: Error opening configuration file '/etc/chilli/main.conf'
coova-chilli: Error opening configuration file '/etc/chilli/hs.conf'
coova-chilli: Error opening configuration file '/etc/chilli/local.conf

I try change the network interface in /etc/config/chiili file, use "option dhcpif br-lan" or "option dhcpif 'br-lan'", and used "option network 'br-lan'", I try too "option network eth1" and "option network 'eth1'" without success.

I did try the configuration recomended in https://medium.com/openwrt-iot/lede-openwrt-setting-up-coovachilli-628dcdbb1b23#.22kzexmx7.

Thanks for your help