SIOCGLIFNUM        70 opal/mca/if/solaris_ipv6/if_solaris_ipv6.c     error = ioctl (sd, SIOCGLIFNUM, &lifnum);
SIOCGLIFNUM       119 opal/mca/pmix/pmix4x/pmix/src/mca/pif/solaris_ipv6/pif_solaris_ipv6.c     error = ioctl (sd, SIOCGLIFNUM, &lifnum);