On Tue, 31 Oct 2017 13:00:47 -0700 Greg Greenway <ggreen...@apple.com> wrote:
> + if (tb[FOU_ATTR_AF]) { > + family = rta_getattr_u8(tb[FOU_ATTR_AF]); > + if (family == AF_INET) > + family_str = "AF_INET"; > + else if (family == AF_INET6) > + family_str = "AF_INET6"; > + else > + family_str = "unknown"; > + fprintf(fp, "af %s ", family_str); The unwritten rule for ip commands is that the show function must format the output with same command syntax as the other commands set/add/delete. Since there is no "af AF_INET" option to ip fou, this breaks that convention. Either ignore the address family, change the add command, or output with same syntax (-6); preferably the latter.