chore: add comment

Signed-off-by: black-desk <[email protected]>
black-desk · Oct 25, 2023 · 19010ed · 19010ed
1 parent 0ca79d8
commit 19010ed
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/nftman/private.go b/pkg/nftman/private.go
@@ -134,6 +134,10 @@ func (t *NFTManager) addTproxyChainForTProxy(
 			Data:     []byte{unix.IPPROTO_TCP},
 		}
 	} else {
+		// NOTE:
+		// Only add set when we use it, otherwise we will get an EINVAL
+		// https://github.com/torvalds/linux/blob/4f82870119a46b0d04d91ef4697ac4977a255a9d/net/netfilter/nf_tables_api.c#L9881
+
 		err = conn.AddSet(t.protoSet, t.protoSetElement)
 		if err != nil {
 			return