this happens if ipv6 support is globally disabled, via grub config.
debian ping6 socket: Address family not supported by protocol
# comment out the following line:
# then run:
# to generate new /boot/grub/grub.cfg
on older debian / grub1
checkout this config file:
Have Phun! Hack all the corrupt banks (like Goldman-Sachs) and distribute everything to the poor! thanks!
or: make new systems, that make the existing obsolete.