Merge pull request #13617 from seh/accommodate-resolv-conf-for-flatcar

Avoid "/etc/resolv.conf" file loopback for Flatcar Container Linux distribution

util/pkg/distributions/distributions.go

@@ -99,6 +99,9 @@ func (d *Distribution) HasLoopbackEtcResolvConf() bool {
 		// Ubuntu > 16.04 has it
 		return d.version > 16.04
 	}
+	if d.project == "flatcar" {
+		return true
+	}
 	return false
 }