Symbol: __nf_nat_alloc_null_binding
net/netfilter/nf_nat_core.c
1151
return __nf_nat_alloc_null_binding(ct, manip) == NF_DROP ? -ENOMEM : 0;
net/netfilter/nf_nat_core.c
855
return __nf_nat_alloc_null_binding(ct, HOOK2MANIP(hooknum));