===== Open vSwitch seems to end up in a deadlock with itself. =====

My fix was this
<code diff>
--- /usr/share/openvswitch/scripts/ifupdown.sh~ 2016-09-30 17:27:55.000000000 +0200
+++ /usr/share/openvswitch/scripts/ifupdown.sh  2017-07-24 20:22:21.000000000 +0200
@@ -29,9 +29,9 @@
     exit 0
 fi
 
-if /etc/init.d/openvswitch-switch status > /dev/null 2>&1; then :; else
-    /etc/init.d/openvswitch-switch start
-fi
+#if /etc/init.d/openvswitch-switch status > /dev/null 2>&1; then :; else
+#    /etc/init.d/openvswitch-switch start
+#fi
 
 if [ "${MODE}" = "start" ]; then
     eval OVS_EXTRA=\"${IF_OVS_EXTRA}\"
</code>