Address/prefix/aggregate family is an integer, not a string. Fixes #4803

netbox/ipam/api/nested_serializers.py

@@ -44,6 +44,7 @@ class NestedRIRSerializer(WritableNestedSerializer):
 
 class NestedAggregateSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:aggregate-detail')
+    family = serializers.IntegerField(read_only=True)
 
     class Meta:
         model = models.Aggregate
@@ -87,6 +88,7 @@ class NestedVLANSerializer(WritableNestedSerializer):
 
 class NestedPrefixSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:prefix-detail')
+    family = serializers.IntegerField(read_only=True)
 
     class Meta:
         model = models.Prefix
@@ -99,6 +101,7 @@ class NestedPrefixSerializer(WritableNestedSerializer):
 
 class NestedIPAddressSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='ipam-api:ipaddress-detail')
+    family = serializers.IntegerField(read_only=True)
 
     class Meta:
         model = models.IPAddress