diff --git a/.changelog/25581.txt b/.changelog/25581.txt
new file mode 100644
index 000000000..571b29dcc
--- /dev/null
+++ b/.changelog/25581.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+cni: Add a warning log when CNI check commands fail
+```
diff --git a/client/allocrunner/network_hook.go b/client/allocrunner/network_hook.go
index 472cc5ad4..1ac34d678 100644
--- a/client/allocrunner/network_hook.go
+++ b/client/allocrunner/network_hook.go
@@ -157,6 +157,7 @@ CREATE:
 			// ErrCNICheckFailed. We'll try to recover from this one time by
 			// recreating the netns from scratch before giving up
 			if errors.Is(err, ErrCNICheckFailed) && !checkedOnce {
+				h.logger.Warn("network configuration check failed", "error", err)
 				checkedOnce = true
 				destroyErr := h.manager.DestroyNetwork(h.alloc.ID, spec)
 				if destroyErr != nil {