--- net/phonet/pn_dev.c

+++ net/phonet/pn_dev.c

@@ -225,6 +225,9 @@ static int phonet_device_notify(struct n

{

struct net_device *dev = arg;

+ if (!net_eq(dev_net(dev), &init_net))

+ return 0;

+

switch (what) {

case NETDEV_REGISTER:

if (dev->type == ARPHRD_PHONET)