diff --git a/src/multicast/multicast.go b/src/multicast/multicast.go
index 65936dc7a..2f1b2c683 100644
--- a/src/multicast/multicast.go
+++ b/src/multicast/multicast.go
@@ -398,6 +398,7 @@ func (m *Multicast) listen() {
 		ip := bs[begin:end]
 		port := binary.BigEndian.Uint16(bs[end:nBytes])
 		anAddr := net.TCPAddr{IP: ip, Port: int(port)}
+		m.log.Infoln("Multicat ResolveTCPAddr")
 		addr, err := net.ResolveTCPAddr("tcp6", anAddr.String())
 		if err != nil {
 			m.log.Infoln("ResolveTCPAddr failed on", anAddr.String())
@@ -421,6 +422,8 @@ func (m *Multicast) listen() {
 			if err := m.core.CallPeer(u, from.Zone); err != nil {
 				m.log.Infoln("Call from multicast failed:", err)
 			}
+		} else {
+			m.log.Infoln("Multicat !ok")
 		}
 	}
 }