Symbol: PF_CS_AF
lib/libpfctl/libpfctl.c
2113
snl_add_msg_attr_u8(&nw, PF_CS_AF, kill->af);
sys/netpfil/pf/pf_nl.c
1079
{ .type = PF_CS_AF, .off = _OUT(psk_af), .cb = nlattr_get_uint8 },