Add correct selinux label at plugin socket directory

pkg/util/selinux/selinux_unsupported.go

@@ -31,3 +31,8 @@ var _ SELinuxRunner = &realSELinuxRunner{}
 func (_ *realSELinuxRunner) Getfilecon(path string) (string, error) {
 	return "", nil
 }
+
+// FileLabel returns the SELinux label for this path or returns an error.
+func SetFileLabel(path string, label string) error {
+	return nil
+}