traceroute6 is broken for ipv6

[Aaron Dudek]

hitting this bug
https://github.com/iputils/iputils/issues/68

adudek@ncs-playground-1:$ more /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"

adudek@ncs-playground-1:~$ apt-cache policy iputils-tracepath
iputils-tracepath:
  Installed: 3:20161105-1ubuntu2
  Candidate: 3:20161105-1ubuntu2
  Version table:
 *** 3:20161105-1ubuntu2 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
adudek@ncs-playground-1:~$

adudek@ncs-playground-1:$ traceroute6 2003:xxxx:xxxx:ffff::2001
traceroute to 2003:xxxx:xxxx:ffff::2001 (2003:xxxx:xxxx:ffff::2001)
from 2003:x:x:x::xxxx, 30 hops max, 24 byte packets
sendto: Invalid argument
 1 traceroute: wrote 2003:xxxx:xxxx:ffff::2001 24 chars, ret=-1
 *sendto: Invalid argument
traceroute: wrote 2003:xxxx:xxxx:ffff::2001 24 chars, ret=-1
adudek@ncs-playground-1:$ traceroute6 -V
traceroute6 utility, iputils-s20161105

This issue is fixed in s20180629 and later of iputils.

This impacts everyone who is uses IPv6 and is not able to troubleshoot using traceroute because of this. There is no workaround for this except by installing a later version manually.