--- spice-gtk-0.31.ebuild.orig	2016-06-12 20:10:18.000000000 +0200
+++ spice-gtk-0.31.ebuild	2016-06-12 20:22:33.000000000 +0200
@@ -126,6 +126,10 @@
 	MULTIBUILD_VARIANTS=( 2.0 )
 	use gtk3 && MULTIBUILD_VARIANTS+=( 3.0 )
 
+	# Prevent sandbox violations, bug #581836
+	# https://bugzilla.gnome.org/show_bug.cgi?id=581836
+	addpredict /dev
+
 	configure() {
 		local myconf=()
 		myconf+=( --with-gtk=${MULTIBUILD_VARIANT} )