[Freeipa-devel] [freeipa PR#3571][opened] [Backport][ipa-4-8] Make travis dnf invocation more resilient

[fcami]

   URL: https://github.com/freeipa/freeipa/pull/3571
Author: fcami
 Title: #3571: [Backport][ipa-4-8] Make travis dnf invocation more resilient
Action: opened

PR body:
"""
This PR was opened automatically because PR #3560 was pushed to master and backport to
ipa-4-8 is required.
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/3571/head:pr3571
git checkout pr3571