taglinefilesource code
fatal77include/linux/icmp.hunsigned  fatal:1;
fatal302net/inet/tcp.cif (icmp_err_convert[err & 0xff].fatal) 
fatal138net/inet/udp.cif (icmp_err_convert[err & 0xff].fatal && sk->state == TCP_ESTABLISHED) 
fatal144net/inet/udp.cif (icmp_err_convert[err & 0xff].fatal)