Unbound 1.9.2 released (june 17)

General
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My unbound configuration here.

If you are using the IPv4 only configuration, you will NOT be able to use the default package either, the same error will occur.

Ipv4 only config:

    interface: 127.10.10.2@5552
    do-ip4: yes
    do-udp: yes
    do-tcp: yes
    do-ip6: no

If you are using both IPv4 and IPv6, you need to ensure the IPv6 address exists, before starting unbound, as opposed to the IPv4 addresses I use (127.10.10.x), which do NOT need to exist before starting unbound.

IPv4 & IPv6 configuration:

    interface: 127.10.10.2@5552
    interface: fdaa:bbcc:ddee:2::5552@5552
    do-ip4: yes
    do-udp: yes
    do-tcp: yes
    do-ip6: yes

I've been using a "dirty", probably unapproved, method to ensure the IPv6 address exists, even after a reboot:

sudo ip -6 addr add fdaa:bbcc:ddee:2::5552/128 dev eth0
sudo sed -i '0,/^e-i xit 0.*/s/^exit 0.*/sudo ip -6 addr add fdaa:bbcc:ddee:2::5552\/128 dev eth0\n&/' /etc/rc.local

First line adds the IPv6 address immediately, after this you should be able to start unbound.
Second line adds the command to /etc/rc.local, which is executed during reboot.

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