diff --git a/loxilb-ebpf b/loxilb-ebpf
index 9d182a28..46ead7d3 160000
--- a/loxilb-ebpf
+++ b/loxilb-ebpf
@@ -1 +1 @@
-Subproject commit 9d182a2877d2b3a91d13d9c69e468a7e18a69b3b
+Subproject commit 46ead7d3fcd3674f34f2b9446d9f76bbc84ae791
diff --git a/pkg/loxinet/rules.go b/pkg/loxinet/rules.go
index 531f4e63..ae662398 100644
--- a/pkg/loxinet/rules.go
+++ b/pkg/loxinet/rules.go
@@ -1559,6 +1559,10 @@ func (R *RuleH) AddLbRule(serv cmn.LbServiceArg, servSecIPs []cmn.LbSecIPArg, al
 		return RuleUnknownServiceErr, errors.New("malformed-service error")
 	}
 
+	if serv.ProxyProtocolV2 && serv.Proto != "tcp" {
+		return RuleUnknownServiceErr, errors.New("proxy-proto-v2 not tcp service error")
+	}
+
 	if serv.Proto == "tcp" {
 		ipProto = 6
 	} else if serv.Proto == "udp" {