--- /usr/share/dracut/modules.d/40network/netroot	2016-05-11 23:32:40.000000000 -0500
+++ /usr/share/dracut/modules.d/40network/netroot.el6	2016-09-05 20:55:21.511547763 -0500
@@ -86,43 +86,43 @@
     esac
 fi
 [ -n "$dest" ] && arping -q -f -w 60 -I $netif $dest
 
 [ -d $NEWROOT/proc ] && exit 0
-[ -z "$netroot" ] && exit 1
+# [ -z "$netroot" ] && exit 1
 
 # Check: do we really know how to handle (net)root?
 [ -z "$root" ] && die "No or empty root= argument"
 [ -z "$rootok" ] && die "Don't know how to handle 'root=$root'"
 
-handler=${netroot%%:*}
-handler=${handler%%4}
-handler="/sbin/${handler}root"
-if [ -z "$netroot" ] || [ ! -e "$handler" ] ; then
-    die "No handler for netroot type '$netroot'"
+if [ ! -z $netroot ]; then
+    handler=${netroot%%:*}; handler=${handler%%4}; handler="/sbin/${handler}root"
+    if [ -z "$netroot" ] || [ ! -e "$handler" ] ; then
+        die "No handler for netroot type '$netroot'"
+    fi
 fi
 
 # Source netroot hooks before we start the handler
-source_all netroot
+[ ! -z $netroot ] && source_all netroot
 
 # Run the handler; don't store the root, it may change from device to device
-# XXX other variables to export?
-if $handler $netif $netroot $NEWROOT; then
-    # Network rootfs mount successful
-    for iface in $IFACES ; do
-	[ -s /tmp/dhclient.$iface.lease ] &&    cp /tmp/dhclient.$iface.lease    /tmp/net.$iface.lease
-	[ -s /tmp/dhclient.$iface.dhcpopts ] && cp /tmp/dhclient.$iface.dhcpopts /tmp/net.$iface.dhcpopts
-    done
-
-    # Save used netif for later use
-    echo $netif >> /tmp/net.ifaces
-#else 
-#    warn "Mounting root via '$netif' failed"
-    # If we're trying with multiple interfaces, put that one down.
-    # ip down/flush ensures that routeing info goes away as well
-#    if [ -z "$BOOTDEV" ] ; then
-#	ip link set $netif down
-#	ip addr flush dev $netif
-#	echo "#empty" > /etc/resolv.conf
-#    fi
+if [ ! -z $netroot ] ; then
+    if $handler $netif $netroot $NEWROOT; then
+        # Network rootfs mount successful
+        for iface in $IFACES ; do
+	    [ -s /tmp/dhclient.$iface.lease ] &&    cp /tmp/dhclient.$iface.lease    /tmp/net.$iface.lease
+	    [ -s /tmp/dhclient.$iface.dhcpopts ] && cp /tmp/dhclient.$iface.dhcpopts /tmp/net.$iface.dhcpopts
+        done
+        # Save used netif for later use
+        echo $netif >> /tmp/net.ifaces
+#   else 
+#       warn "Mounting root via '$netif' failed"
+        # If we're trying with multiple interfaces, put that one down.
+        # ip down/flush ensures that routeing info goes away as well
+#       if [ -z "$BOOTDEV" ] ; then
+#           ip link set $netif down
+#	    ip addr flush dev $netif
+#    	    echo "#empty" > /etc/resolv.conf
+#       fi
+    fi
 fi
 exit 0