traviscross/mtr — pull request #56 by hloeung (2014-08-15 02:30:38+00:00)
Title: Fixed to handle case where only IPv6 nameservers are specified

At present, mtr will abort when only IPv6 nameservers are specified in /etc/resolv.conf as reported in https://bugs.launchpad.net/ubuntu/+source/mtr/+bug/752583. This fixes that by including a count of all IPv6 nameservers.