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-rw-r--r--utils/ctnl_test.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/utils/ctnl_test.c b/utils/ctnl_test.c
index f1361d3..e5075ef 100644
--- a/utils/ctnl_test.c
+++ b/utils/ctnl_test.c
@@ -90,6 +90,11 @@ int main(int argc, char **argv)
if (ret < 0 && ret != -EEXIST)
errors++;
+ if (ret == -EINVAL)
+ fprintf(stdout, "NFNETLINK answers: -EINVAL, make sure "
+ "ip_conntrack_netlink is loaded and "
+ "you have NET_CAPABILITIES");
+
nfct_register_callback(cth, nfct_default_conntrack_display, NULL);
ret = nfct_dump_conntrack_table_reset_counters(cth);
fprintf(stdout, "TEST 2: dump conntrack table and reset (%d)\n", ret);