Bug#560044: Solution

[Lucas Apa <lucas@bonsai-sec.com>]

Root:

sed -i 's/net.ipv6.bindv6only\ =\ 1/net.ipv6.bindv6only\ =\
0/' /etc/sysctl.d/bindv6only.conf && invoke-rc.d procps restart

It worked for me =)

Lucas Apa