Local DNS resolves as 0.0.0.0 for itself

My start script for docker:

$ cat run.sh 
docker run -itd \
--name=pihole \
--restart=always \
--net=host \
-v /opt/pihole/etc-pihole:/etc/pihole \
-v /opt/etc-dnsmasq.d:/etc/dnsmasq.d \
-e TZ=Europe/Bratislava \
pihole/pihole:latest