diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index 4fedc2b705..7bcfc0d965 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -364,6 +364,16 @@ static int virLXCControllerGetNICIndexes(virLXCControllerPtr ctrl)
     size_t i;
     int ret = -1;
 
+    /* Gather the ifindexes of the "parent" veths for all interfaces
+     * implemented with a veth pair. These will be used when calling
+     * virCgroupNewMachine (and eventually the dbus method
+     * CreateMachineWithNetwork). ifindexes for the child veths, and
+     * for macvlan interfaces, *should not* be in this list, as they
+     * will be moved into the container. Only the interfaces that will
+     * remain outside the container, but are used for communication
+     * with the container, should be added to the list.
+     */
+
     VIR_DEBUG("Getting nic indexes");
     for (i = 0; i < ctrl->def->nnets; i++) {
         int nicindex = -1;
@@ -387,6 +397,9 @@ static int virLXCControllerGetNICIndexes(virLXCControllerPtr ctrl)
             ctrl->nicindexes[ctrl->nnicindexes-1] = nicindex;
             break;
 
+        case VIR_DOMAIN_NET_TYPE_DIRECT:
+           break;
+
         case VIR_DOMAIN_NET_TYPE_USER:
         case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
         case VIR_DOMAIN_NET_TYPE_SERVER:
@@ -394,7 +407,6 @@ static int virLXCControllerGetNICIndexes(virLXCControllerPtr ctrl)
         case VIR_DOMAIN_NET_TYPE_MCAST:
         case VIR_DOMAIN_NET_TYPE_UDP:
         case VIR_DOMAIN_NET_TYPE_INTERNAL:
-        case VIR_DOMAIN_NET_TYPE_DIRECT:
         case VIR_DOMAIN_NET_TYPE_HOSTDEV:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("Unsupported net type %s"),