tag	line	file	source code
notifier_call_chain	258	net/core/dev.c	notifier_call_chain(&netdev_chain, NETDEV_UP, dev);
notifier_call_chain	289	net/core/dev.c	notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev);
notifier_call_chain	1089	net/core/dev.c	notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev);
notifier_call_chain	1112	net/core/dev.c	notifier_call_chain(&netdev_chain, NETDEV_UP, dev);