Fix eBPF conn close logic

client/internal/peer/conn.go

@@ -556,6 +556,12 @@ func (conn *Conn) onWorkerRelayStateDisconnected() {
 	defer conn.mu.Unlock()
 
 	if conn.wgProxyRelay != nil {
+		log.Debugf("relayed connection is closed, clean up WireGuard config")
+		err := conn.config.WgConfig.WgInterface.RemovePeer(conn.config.WgConfig.RemoteKey)
+		if err != nil {
+			conn.log.Errorf("failed to remove wg endpoint: %v", err)
+		}
+
 		conn.endpointRelay = nil
 		_ = conn.wgProxyRelay.CloseConn()
 		conn.wgProxyRelay = nil