diff --git a/changelogs/fragments/nictagadm-etherstub-nonetype-bugfix.yml b/changelogs/fragments/nictagadm-etherstub-nonetype-bugfix.yml
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index 0000000000..b65cb65b53
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+++ b/changelogs/fragments/nictagadm-etherstub-nonetype-bugfix.yml
@@ -0,0 +1,4 @@
+bugfixes:
+  - nictagadm - fix ``'NoneType' object has no attribute 'lower'`` errors when creating etherstubs.
+    Module always calls ``nictag.is_valid_mac()``, but if ``etherstub`` is set to True then mac is necessarily null.
+    Adds a condition to the if statement so that ``is_valid_mac()`` doesn't get called if ``etherstub`` is false.