Remove need to configure VF during DPDK deployment

The current configuration expects VF & bonding info by default. This patch
set removes the need to configure them for every deployment.

Change-Id: Id546c113b2d3c42591a0326ee8cd442cccc73578

neutron/templates/bin/_neutron-openvswitch-agent-init.sh.tpl

@@ -175,13 +175,14 @@ function process_dpdk_nics {
 
     iface=$(get_name_by_pci_id "${pci_id}")
 
+    if [ -n "${iface}" ]; then
+      ip link set ${iface} promisc on
       if [ -n "${vf_index}" ]; then
         vf_string="vf ${vf_index}"
-    fi
-
-    ip link set ${iface} promisc on
         ip link set ${iface} ${vf_string} trust on
         ip link set ${iface} ${vf_string} spoofchk off
+      fi
+    fi
 
     # Fetch the PCI to be bound to DPDK driver.
     # In case VF Index is configured then PCI of that particular VF
@@ -258,13 +259,14 @@ function process_dpdk_bonds {
 
       iface=$(get_name_by_pci_id "${pci_id}")
 
+      if [ -n "${iface}" ]; then
+        ip link set ${iface} promisc on
         if [ -n "${vf_index}" ]; then
           vf_string="vf ${vf_index}"
-      fi
-
-      ip link set ${iface} promisc on
           ip link set ${iface} ${vf_string} trust on
           ip link set ${iface} ${vf_string} spoofchk off
+        fi
+      fi
 
       # Fetch the PCI to be bound to DPDK driver.
       # In case VF Index is configured then PCI of that particular VF

neutron/values_overrides/dpdk.yaml

@@ -21,3 +21,4 @@ conf:
         migrate_ip: true
     bridges:
       - name: br-phy
+    bonds: []