CC [M]  net/ipv4/netfilter/ipt_ROUTE.o
In file included from net/ipv4/netfilter/ipt_ROUTE.c:16:
include/net/netfilter/nf_conntrack.h:97: error: field `ct_general' has incomplete type
include/net/netfilter/nf_conntrack.h: In function `nf_ct_get':
include/net/netfilter/nf_conntrack.h:164: error: structure has no member named `nfct'
include/net/netfilter/nf_conntrack.h: In function `nf_ct_put':
include/net/netfilter/nf_conntrack.h:171: warning: implicit declaration of function `nf_conntrack_put'
include/net/netfilter/nf_conntrack.h: In function `nf_ct_is_untracked':
include/net/netfilter/nf_conntrack.h:248: error: structure has no member named `nfct'
net/ipv4/netfilter/ipt_ROUTE.c: In function `ipt_route_target':
net/ipv4/netfilter/ipt_ROUTE.c:298: error: structure has no member named `nfct'
net/ipv4/netfilter/ipt_ROUTE.c:385: error: structure has no member named `nfct'
net/ipv4/netfilter/ipt_ROUTE.c:386: error: structure has no member named `nfct'
net/ipv4/netfilter/ipt_ROUTE.c:388: warning: implicit declaration of function `nf_conntrack_get'
net/ipv4/netfilter/ipt_ROUTE.c:388: error: structure has no member named `nfct'