{% for host in hostvars %}
{% if hostvars[host]['ansible_fqdn'] != ansible_fqdn %}
auto {{hostvars[host]['ansible_fqdn']}}
iface {{hostvars[host]['ansible_fqdn']}} inet manual
    pre-up ip link add $IFACE type gretap local {{ansible_default_ipv4.address}} remote {{hostvars[host]['ansible_default_ipv4']['address']}} dev {{ansible_default_ipv4.alias}}
    pre-up ip link set up dev $IFACE
    up batctl if add $IFACE
    post-down ip link set down dev $IFACE
    post-down ip link del dev $IFACE
{% endif %}
{% endfor %}