ND_PRINTK1 650 net/ipv6/ndisc.c ND_PRINTK1(KERN_DEBUG ND_PRINTK1 916 net/ipv6/ndisc.c ND_PRINTK1(KERN_WARNING ND_PRINTK1 981 net/ipv6/ndisc.c ND_PRINTK1("ICMP6 RS: can't find in6 device\n");