$(eval $(if $(NF_KMOD),$(call nf_add,NF_IPT6,CONFIG_IP6_NF_IPTABLES, $(P_V6)ip6_tables),))
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),lt,4.19.0)),1)
$(eval $(if $(NF_KMOD),$(call nf_add,NF_CONNTRACK6,CONFIG_NF_DEFRAG_IPV6, $(P_V6)nf_defrag_ipv6),))
$(eval $(if $(NF_KMOD),$(call nf_add,NF_CONNTRACK6,CONFIG_NF_CONNTRACK_IPV6, $(P_V6)nf_conntrack_ipv6),))
+else
+$(eval $(if $(NF_KMOD),$(call nf_add,NF_CONNTRACK,CONFIG_NF_DEFRAG_IPV6, $(P_V6)nf_defrag_ipv6),))
+endif
$(eval $(if $(NF_KMOD),$(call nf_add,IPT_IPV6,CONFIG_IP6_NF_FILTER, $(P_V6)ip6table_filter),))
$(eval $(if $(NF_KMOD),$(call nf_add,IPT_IPV6,CONFIG_IP6_NF_MANGLE, $(P_V6)ip6table_mangle),))
IPT_BUILTIN += $(NF_IPT-y) $(NF_IPT-m)
IPT_BUILTIN += $(IPT_CORE-y) $(IPT_CORE-m)
IPT_BUILTIN += $(NF_CONNTRACK-y)
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),lt,4.19.0)),1)
IPT_BUILTIN += $(NF_CONNTRACK6-y)
+endif
IPT_BUILTIN += $(IPT_CONNTRACK-y)
IPT_BUILTIN += $(IPT_CONNTRACK_EXTRA-y)
IPT_BUILTIN += $(IPT_EXTRA-y)