fib_notifier_ops_unregister
void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
EXPORT_SYMBOL(fib_notifier_ops_unregister);
fib_notifier_ops_unregister(net->ipv4.notifier_ops);
fib_notifier_ops_unregister(net->ipv4.ipmr_notifier_ops);
fib_notifier_ops_unregister(net->ipv6.notifier_ops);
fib_notifier_ops_unregister(net->ipv6.ip6mr_notifier_ops);