fib_disable_ip    923 net/ipv4/fib_frontend.c 			fib_disable_ip(dev, 1);
fib_disable_ip    938 net/ipv4/fib_frontend.c 		fib_disable_ip(dev, 2);
fib_disable_ip    956 net/ipv4/fib_frontend.c 		fib_disable_ip(dev, 0);