::/128 is not the IPv6 equivalent of 0.0.0.0/0
The man page of tor states that "::/128" is the IPv6 equivalent of IPv4's "0.0.0.0/0" and that is not correct.
The equivalent of "0.0.0.0/0" in IPv6 is "::/0"
The IPv4 equivalent of "::/128" would be "0.0.0.0/32".
https://en.wikipedia.org/wiki/IPv6_address#Unicast_addresses
Trac:
Username: CTassisF