/if_ether.h/1.2/Sat Apr  7 22:37:30 2018//Tnetbsd-9
/ip.h/1.2/Sat Apr  7 22:37:30 2018//Tnetbsd-9
/ip_icmp.h/1.2/Sat Apr  7 22:37:30 2018//Tnetbsd-9
/udp.h/1.2.6.1/Sat Mar  2 03:24:02 2024//Tnetbsd-9
D