diff --git a/UPGRADING.rst b/UPGRADING.rst
index b55e0ffbc..8e154e14c 100644
--- a/UPGRADING.rst
+++ b/UPGRADING.rst
@@ -20,6 +20,16 @@ reverted. This is all fairly informal and loosely defined. Hopefully we won't
 have too many entries in this file.
 
 
+#5363 Noisy alarm from EC2 for CreateNetworkInterface during initial deploy
+===========================================================================
+
+Operator
+~~~~~~~~
+
+Manually deploy the ``shared`` component of any main deployment just before
+pushing the merge commit to the GitLab instance in that deployment.
+
+
 #5408 Prepare for vacation
 ==========================
 
diff --git a/terraform/shared/shared.tf.json.template.py b/terraform/shared/shared.tf.json.template.py
index d3049085c..ddaf5f060 100644
--- a/terraform/shared/shared.tf.json.template.py
+++ b/terraform/shared/shared.tf.json.template.py
@@ -75,6 +75,10 @@ def paren(s: str) -> str:
                             '$.eventSource != "elasticloadbalancing.amazonaws.com"',
                             '$.eventName != "DescribeTargetGroupAttributes"',
                             '$.userIdentity.invokedBy != "inspector2.amazonaws.com"',
+                        ])),
+                        paren(' || '.join([
+                            '$.eventSource != "ec2.amazonaws.com"',
+                            '$.eventName != "CreateNetworkInterface"',
                         ]))
                     ]) + '}'
                     ),