lxc: support setting host-side IP addresses/routes

(This patch had been pushed earlier in
commit cd5c9f21de, but was reverted in
commit 1549f16832 because it had been
accidentally pushed during the freeze for release 2.0.0)

src/lxc/lxc_process.c

@@ -304,6 +304,14 @@ virLXCProcessSetupInterfaceTap(virDomainDefPtr vm,
     if (virNetDevSetOnline(parentVeth, true) < 0)
         goto cleanup;
 
+    if (virDomainNetGetActualType(net) == VIR_DOMAIN_NET_TYPE_ETHERNET) {
+        /* Set IP info for the host side, but only if the type is
+         * 'ethernet'.
+         */
+        if (virNetDevIPInfoAddToDev(parentVeth, &net->hostIP) < 0)
+            goto cleanup;
+    }
+
     if (net->filter &&
         virDomainConfNWFilterInstantiate(vm->uuid, net) < 0)
         goto cleanup;