var err error

	if useHostNetwork {
		// if Pod is using host network, read hosts file from the node's filesystem.
		// `etcHostsPath` references the location of the hosts file on the node.
		// `/etc/hosts` for *nix systems.
		hostsFileContent, err = nodeHostsFileContent(etcHostsPath, hostAliases)
		if err != nil {
			return err
		}
	} else {