diff -urp libvirt-4.5.0.orig/src/util/virutil.c libvirt-4.5.0/src/util/virutil.c
--- libvirt-4.5.0.orig/src/util/virutil.c	2018-07-09 16:29:11.910859942 +0000
+++ libvirt-4.5.0/src/util/virutil.c	2018-07-09 16:29:30.389858840 +0000
@@ -1598,7 +1598,7 @@ 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