fix dhcpd fail on reboot

salt/network/files/fix_dhcp_Debian.conf

+# systemd service file extras added by CIRCLE Salt installer:
+# openvswitch and virtual network interface must be up before
+# dhcpd is started
+
+[Unit]
+After=openvswitch-switch.service
+[Service]
+ExecStartPre=-/sbin/ifup vm
+{# TODO: change 'vm' to pillar['fwdriver']['vm_if'] ? #}
+{# TODO: similar patch for firewall.service ? #}

salt/network/init.sls

@@ -49,3 +49,13 @@ isc-dhcp-server:
     - enable: True
     - reload: True
 
+{% if grains['os'] == 'Debian' %}
+{# For next reboot #}
+/etc/systemd/system/isc-dhcp-server.service.d/after_openvswitch.conf:
+  file.managed:
+    - source: salt://network/files/fix_dhcp_Debian.conf
+    - user: root
+    - group: root
+    - template: jinja
+    - makedirs: True
+{% endif %}