>  gkrellm-themes-1.0-alt1	Requires	/usr/bin/mogrify
> +gkrellm-themes-1.0-alt1	Requires	/usr/share/gkrellm2/themes/twilite/green/frame_right-green.png
>  gkrellm-themes-1.0-alt1	Requires	bash

В этом пакете битый симлинк
/usr/share/gkrellm2/themes/twilite/.png -> green/frame_right-green.png

Вот кусочек лога сборки.

find-provides: broken symbolic link /usr/src/tmp/gkrellm-themes-buildroot/usr/share/gkrellm2/themes/twilite/.png -> green/frame_right-green.png is not going to provide anything
[...]
symlinks.req: /usr/src/tmp/gkrellm-themes-buildroot/usr/share/gkrellm2/themes/twilite/.png: checking contents_index_all for /usr/share/gkrellm2/themes/twilite/green/frame_right-green.png
symlinks.req: /usr/src/tmp/gkrellm-themes-buildroot/usr/share/gkrellm2/themes/twilite/.png: /usr/share/gkrellm2/themes/twilite/green/frame_right-green.png -> /usr/share/gkrellm2/themes/twilite/green/frame_right-green.png (raw, not found)