diff -urp libvirt-4.0.0.orig/src/util/virutil.c libvirt-4.0.0/src/util/virutil.c
--- libvirt-4.0.0.orig/src/util/virutil.c	2018-01-24 12:11:07.300489931 +0000
+++ libvirt-4.0.0/src/util/virutil.c	2018-01-24 12:12:20.303485580 +0000
@@ -1596,7 +1596,7 @@ virSetUIDGIDWithCaps(uid_t uid, gid_t gi
 void virWaitForDevices(void)
 {
 # ifdef UDEVADM
-    const char *const settleprog[] = { UDEVADM, "settle", NULL };
+    const char *const settleprog[] = { UDEVADM, "settle", "--timeout=10" , NULL };
 # else
     const char *const settleprog[] = { UDEVSETTLE, NULL };
 # endif