nfnetlink_set_err
int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error);
nfnetlink_set_err(net, 0, 0, -ENOBUFS);
if (nfnetlink_set_err(net, 0, group, -ENOBUFS) > 0)
nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(ctx->net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(net, portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
nfnetlink_set_err(net, NETLINK_CB(skb).portid, NFNLGRP_NFTABLES,
EXPORT_SYMBOL_GPL(nfnetlink_set_err);