diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 4920f04bd0..6e33a4472f 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -9254,6 +9254,29 @@ virDomainNetDefParseXMLRequireSource(virDomainNetDef *def,
 }
 
 
+static int
+virDomainNetDefParsePrivateData(xmlXPathContextPtr ctxt,
+                                virDomainNetDef *net,
+                                virDomainXMLOption *xmlopt)
+{
+    xmlNodePtr private_node = virXPathNode("./privateData", ctxt);
+    VIR_XPATH_NODE_AUTORESTORE(ctxt)
+
+    if (!xmlopt ||
+        !xmlopt->privateData.networkParse ||
+        !private_node)
+        return 0;
+
+    ctxt->node = private_node;
+
+    if (xmlopt->privateData.networkParse(ctxt, net) < 0)
+        return -1;
+
+    return 0;
+}
+
+
+
 static virDomainNetDef *
 virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
                         xmlNodePtr node,
@@ -9672,6 +9695,10 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
     if (virNetworkPortOptionsParseXML(ctxt, &def->isolatedPort) < 0)
         return NULL;
 
+    if (flags & VIR_DOMAIN_DEF_PARSE_STATUS &&
+        virDomainNetDefParsePrivateData(ctxt, def, xmlopt) < 0)
+        return NULL;
+
     return g_steal_pointer(&def);
 }
 
@@ -23668,6 +23695,27 @@ virDomainNetPortForwardsFormat(virBuffer *buf,
 }
 
 
+static int
+virDomainNetDefFormatPrivateData(virBuffer *buf,
+                                 virDomainNetDef *net,
+                                 unsigned int flags,
+                                 virDomainXMLOption *xmlopt)
+{
+    g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
+
+    if (!(flags & VIR_DOMAIN_DEF_FORMAT_STATUS) ||
+        !xmlopt ||
+        !xmlopt->privateData.networkFormat)
+        return 0;
+
+    if (xmlopt->privateData.networkFormat(net, &childBuf) < 0)
+        return -1;
+
+    virXMLFormatElement(buf, "privateData", NULL, &childBuf);
+    return 0;
+}
+
+
 int
 virDomainNetDefFormat(virBuffer *buf,
                       virDomainNetDef *def,
@@ -23965,6 +24013,9 @@ virDomainNetDefFormat(virBuffer *buf,
     virDomainDeviceInfoFormat(buf, &def->info, flags | VIR_DOMAIN_DEF_FORMAT_ALLOW_BOOT
                                                      | VIR_DOMAIN_DEF_FORMAT_ALLOW_ROM);
 
+    if (virDomainNetDefFormatPrivateData(buf, def, flags, xmlopt) < 0)
+        return -1;
+
     virBufferAdjustIndent(buf, -2);
     virBufferAddLit(buf, "</interface>\n");
     return 0;
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 631cef03fd..1a80399c9c 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3357,6 +3357,11 @@ typedef int (*virDomainXMLPrivateDataTPMParseFunc)(xmlXPathContextPtr ctxt,
 typedef int (*virDomainXMLPrivateDataTPMFormatFunc)(const virDomainTPMDef *tpm,
                                                     virBuffer *buf);
 
+typedef int (*virDomainXMLPrivateDataNetParseFunc)(xmlXPathContextPtr ctxt,
+                                                   virDomainNetDef *net);
+typedef int (*virDomainXMLPrivateDataNetFormatFunc)(const virDomainNetDef *net,
+                                                    virBuffer *buf);
+
 struct _virDomainXMLPrivateDataCallbacks {
     virDomainXMLPrivateDataAllocFunc  alloc;
     virDomainXMLPrivateDataFreeFunc   free;
@@ -3371,6 +3376,8 @@ struct _virDomainXMLPrivateDataCallbacks {
     virDomainXMLPrivateDataNewFunc    cryptoNew;
     virDomainXMLPrivateDataNewFunc    graphicsNew;
     virDomainXMLPrivateDataNewFunc    networkNew;
+    virDomainXMLPrivateDataNetParseFunc networkParse;
+    virDomainXMLPrivateDataNetFormatFunc networkFormat;
     virDomainXMLPrivateDataNewFunc    videoNew;
     virDomainXMLPrivateDataNewFunc    fsNew;
     virDomainXMLPrivateDataTPMParseFunc tpmParse;