diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2a01ff3..e21c564 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -649,6 +649,7 @@
 static struct pernet_operations __net_initdata net_ns_ops = {
 	.init = net_ns_net_init,
 	.exit = net_ns_net_exit,
+	.async = true,
 };
 
 static const struct nla_policy rtnl_net_policy[NETNSA_MAX + 1] = {