diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index ffbd36ea27..f1243dbcf2 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -6855,6 +6855,94 @@ int virDomainSetLaunchSecurityState(virDomainPtr domain,
  */
 # define VIR_DOMAIN_GUEST_INFO_DISK_SUFFIX_GUEST_BUS ".guest_bus"
 
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_COUNT:
+ *
+ * The number of interfaces defined on this domain as an unsigned int.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_COUNT "if.count"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_PREFIX:
+ *
+ * The parameter name prefix to access each interface entry. Concatenate the
+ * prefix, the entry number formatted as an unsigned integer and one of the
+ * interface suffix parameters to form a complete parameter name.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_PREFIX "if."
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_NAME:
+ *
+ * Name in the guest (e.g. ``eth0``) for the interface as a string.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_NAME ".name"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_HWADDR:
+ *
+ * Hardware address in the guest of the interface as a string.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_HWADDR ".hwaddr"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_COUNT:
+ *
+ * The number of IP addresses of interface as an unsigned int.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_COUNT ".addr.count"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX:
+ *
+ * The parameter name prefix to access each address entry. Concatenate the
+ * interface prefix, the interface entry number formatted as an unsigned
+ * integer, the address prefix, the address entry number formatted as an
+ * unsigned integer and one of the address suffix parameters to form a
+ * complete parameter name.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX ".addr."
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_TYPE:
+ *
+ * The IP address type (e.g. ipv4) as a string.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_TYPE ".type"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_ADDR:
+ *
+ * The IP address as a string.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_ADDR ".addr"
+
+/**
+ * VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_PREFIX:
+ *
+ * The prefix of IP address as an unsigned int.
+ *
+ * Since: 11.2.0
+ */
+# define VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_PREFIX ".prefix"
+
 /**
  * virDomainGuestInfoTypes:
  *
diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index 87ea7a28ad..4e91e7bd20 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -13233,16 +13233,9 @@ virDomainSetVcpu(virDomainPtr domain,
  *  keys.
  *
  * VIR_DOMAIN_GUEST_INFO_INTERFACES:
- *  Returns information about the interfaces within the domain. The typed
- *  parameter keys are in this format:
- *
- *      "if.count" - the number of interfaces defined on this domain
- *      "if.<num>.name" - name in the guest (e.g. ``eth0``) for interface <num>
- *      "if.<num>.hwaddr" - hardware address in the guest for interface <num>
- *      "if.<num>.addr.count - the number of IP addresses of interface <num>
- *      "if.<num>.addr.<num1>.type" - the IP address type of addr <num1> (e.g. ipv4)
- *      "if.<num>.addr.<num1>.addr" - the IP address of addr <num1>
- *      "if.<num>.addr.<num1>.prefix" - the prefix of IP address of addr <num1>
+ *  Returns information about the interfaces within the domain.
+ *  The VIR_DOMAIN_GUEST_INFO_IF_* constants define the known typed parameter
+ *  keys.
  *
  * VIR_DOMAIN_GUEST_INFO_LOAD:
  *  Returns load (the number of processes in the runqueue or waiting for disk
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 8f7e232abd..248787784e 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -19325,30 +19325,35 @@ virDomainInterfaceFormatParams(virDomainInterfacePtr *ifaces,
 {
     size_t i;
 
-    virTypedParamListAddUInt(list, nifaces, "if.count");
+    virTypedParamListAddUInt(list, nifaces, VIR_DOMAIN_GUEST_INFO_IF_COUNT);
 
     for (i = 0; i < nifaces; i++) {
         size_t j;
 
-        virTypedParamListAddString(list, ifaces[i]->name, "if.%zu.name", i);
-        virTypedParamListAddString(list, ifaces[i]->hwaddr, "if.%zu.hwaddr", i);
-        virTypedParamListAddUInt(list, ifaces[i]->naddrs, "if.%zu.addr.count", i);
+        virTypedParamListAddString(list, ifaces[i]->name,
+                                   VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_NAME, i);
+        virTypedParamListAddString(list, ifaces[i]->hwaddr,
+                                   VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_HWADDR, i);
+        virTypedParamListAddUInt(list, ifaces[i]->naddrs,
+                                 VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_COUNT, i);
 
         for (j = 0; j < ifaces[i]->naddrs; j++) {
             switch (ifaces[i]->addrs[j].type) {
                 case VIR_IP_ADDR_TYPE_IPV4:
-                    virTypedParamListAddString(list, "ipv4", "if.%zu.addr.%zu.type", i, j);
+                    virTypedParamListAddString(list, "ipv4",
+                                               VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_TYPE, i, j);
                     break;
 
                 case VIR_IP_ADDR_TYPE_IPV6:
-                    virTypedParamListAddString(list, "ipv6", "if.%zu.addr.%zu.type", i, j);
+                    virTypedParamListAddString(list, "ipv6",
+                                               VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_TYPE, i, j);
                     break;
             }
 
             virTypedParamListAddString(list, ifaces[i]->addrs[j].addr,
-                                       "if.%zu.addr.%zu.addr", i, j);
+                                       VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_ADDR, i, j);
             virTypedParamListAddUInt(list, ifaces[i]->addrs[j].prefix,
-                                     "if.%zu.addr.%zu.prefix", i, j);
+                                     VIR_DOMAIN_GUEST_INFO_IF_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_PREFIX "%zu" VIR_DOMAIN_GUEST_INFO_IF_SUFFIX_ADDR_SUFFIX_PREFIX, i, j);
         }
     }
 }