- Display a AF_LINK address in #linkN when sdl_{nlen,alen,slen) == 0 and sdl_index != 0. - Reduce unnecessary loop in pmsg_addrs(). - Remove iso_ntoa(). This is not used.
- Display a AF_LINK address in #linkN when sdl_{nlen,alen,slen) == 0 and sdl_index != 0. - Reduce unnecessary loop in pmsg_addrs(). - Remove iso_ntoa(). This is not used.