added native ovs bonding

README.rst

       network:
         tap_custom_txqueuelen: 10000
 
+Open vSwitch native bond:
+
+.. code-block:: yaml
+
+    bond1:
+      enabled: true
+      type: ovs_bond
+      mode: balance-slb
+      bridge: br-ex
+      slaves: eno3 eno4
+
 DPDK OVS interfaces
 
 **DPDK OVS NIC**

linux/network/interface.sls

     - file: ovs_bridge_{{ interface_name }}
     - file: linux_interfaces_final_include
 
-
+{%- elif interface.type == 'ovs_bond' %}
+ovs_bond_{{ interface_name }}:
+  cmd.run:
+    - name: ovs-vsctl add-bond {{ interface.bridge }} {{ interface_name }} {{ interface.slaves }} bond_mode={{ interface.mode }}
+    - unless: ovs-vsctl show | grep -A 2 'Port.*{{ interface_name }}.'
 
 {%- elif interface.type == 'ovs_port' %}
 

tests/pillar/network_openvswitch.sls

         type: ovs_port
         ovs_bridge: br-ens0
         bridge: br-ens0
+      bond1:
+        enabled: true
+        type: ovs_bond
+        mode: balance-slb
+        bridge: br-ex
+        slaves: eno3 eno4
+