coreos/docs — pull request #358 by charles-haynes (2014-10-26 02:41:51+00:00)
Title: feat(getting-started-with-etcd) simplify getting docker0 interface programmatically

grep followed by awk or sed can be simplified to remove the grep. Also made it search for inet as a single word to avoid getting inet6 where ipv6 is enabled on the interface.