diff --git a/net/core/dev.c b/net/core/dev.c
index d6c657e..7134766 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5344,6 +5344,7 @@
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(dev_change_net_namespace);
 
 static int dev_cpu_callback(struct notifier_block *nfb,
 			    unsigned long action,