Symbol: PF_SRC_INET6_PREFIX
lib/libpfctl/libpfctl.c
4219
{. type = PF_SRC_INET6_PREFIX, .off = _OUT(inet6_prefix), .cb = snl_attr_get_uint32 },
sys/netpfil/pf/pf_nl.c
2783
nlattr_add_u32(nw, PF_SRC_INET6_PREFIX, pfsrlim->pfsrlim_ipv6_prefix);