Hi,

Are you trying to run batman with whiterussian (i am  not sure of freifunk build)?
if so the init script installed with the batman 0.3 package does not support nvram. it supports uci (as noticed @ https://dev.openwrt.org/cgi-bin/trac.fcgi/browser/packages/net/batman/files/etc/init.d/batmand )

If your init script is similar to the one in that openwrt link... you can get stuff working by replacing the uci get variables with valid nvram variables
like interface=$(uci get batmand.general.interface) to interface=$(nvram get wireless_interface)  ... i dont remember the variable name correctly.


Regards,
--
Vinay Menon