IPv6 resolution for yum came back and breaks rpm installation on some runners

continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init_pod.sh

@@ -29,9 +29,9 @@ sed -i -c "s/^\($(hostname -i)\)\s\+.*$/\1 $(hostname -s).$(grep search /etc/res
 echo "DONE"
 
 # Not needed anymore, keep it in case it comes back
-#echo -n "Yum should resolve names using IPv4 DNS: "
-#echo "ip_resolve=IPv4" >> /etc/yum.conf
-#echo "DONE"
+echo -n "Yum should resolve names using IPv4 DNS: "
+echo "ip_resolve=IPv4" >> /etc/yum.conf
+echo "DONE"
 
 # defining CI_CONTEXT
 # possible values are "systemd" and "nosystemd"