ffdo-ansible-l2tp/roles/bird_dtm/templates/bird6.conf.j2

router id {{loopback_ipv4 | ipaddr('address') }};
log syslog all;

protocol kernel {
    persist;
    scan time 10;
    device routes;
    import all;
    export all;
    kernel table 42;
};

protocol device {
    scan time 10;
};

protocol static unr_def {
    preference 1;
    route ::/0 unreachable;
};

include "/etc/bird/conf6.d/*.conf";