# kernel only
$(eval $(if $(NF_KMOD),$(call nf_add,NF_NAT,CONFIG_NF_NAT, $(P_XT)nf_nat),))
-$(eval $(if $(NF_KMOD),$(call nf_add,NF_NAT,CONFIG_NF_NAT_REDIRECT, $(P_XT)nf_nat_redirect),))
$(eval $(if $(NF_KMOD),$(call nf_add,NF_NAT,CONFIG_NF_NAT_IPV4, $(P_V4)nf_nat_ipv4, lt 5.1)))
$(eval $(if $(NF_KMOD),$(call nf_add,NF_NAT6,CONFIG_NF_NAT_IPV6, $(P_V6)nf_nat_ipv6, lt 5.1)))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_BROADCAST, $(P_XT)nf_conntrack_broadcast))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_AMANDA, $(P_XT)nf_conntrack_amanda))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_NAT_AMANDA, $(P_XT)nf_nat_amanda))
-$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CT_PROTO_GRE, $(P_XT)nf_conntrack_proto_gre))
-$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_NAT_PROTO_GRE, $(P_V4)nf_nat_proto_gre))
+$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CT_PROTO_GRE, $(P_XT)nf_conntrack_proto_gre, lt 5.1))
+$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_NAT_PROTO_GRE, $(P_V4)nf_nat_proto_gre, lt 5.0))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_H323, $(P_XT)nf_conntrack_h323))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_NAT_H323, $(P_V4)nf_nat_h323))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_PPTP, $(P_XT)nf_conntrack_pptp))