Since RemoveLocalDns patch will remove all localhost entries
from resolv.conf we no longer need anything more then
!bytes.Contains(resolvConf, []byte("nameserver")
To check for no nameserver entry in dns config.
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
Upstream-commit: a297d6ab8c08a13503fd004ec1ad7ee9e23bd22a
Component: engine