diff --git a/network/debug.go b/network/debug.go
new file mode 100644
index 00000000..1cd2bb02
--- /dev/null
+++ b/network/debug.go
@@ -0,0 +1,7 @@
+package network
+
+type DebugFunc func(format string, args ...interface{})
+
+var Debug = func(format string, args ...interface{}) {
+
+}
diff --git a/network/net_gateway.go b/network/net_gateway.go
index ece07c74..82d61f12 100644
--- a/network/net_gateway.go
+++ b/network/net_gateway.go
@@ -9,18 +9,24 @@ import (
 )
 
 func FindGateway(iface *Endpoint) (*Endpoint, error) {
+	Debug("FindGateway(%s) [cmd=%v opts=%v parser=%v]", iface.Name(), IPv4RouteCmd, IPv4RouteCmdOpts, IPv4RouteParser)
+
 	output, err := core.Exec(IPv4RouteCmd, IPv4RouteCmdOpts)
 	if err != nil {
 		return nil, err
 	}
 
+	Debug("FindGateway(%s) output:\n%s", iface.Name(), output)
+
 	ifName := iface.Name()
 	for _, line := range strings.Split(output, "\n") {
 		if strings.Contains(line, ifName) {
 			m := IPv4RouteParser.FindStringSubmatch(line)
 			if len(m) == IPv4RouteTokens {
+				Debug("FindGateway(%s) line '%s' matched with %v", iface.Name(), line, m)
 				return IPv4RouteIsGateway(ifName, m, func(gateway string) (*Endpoint, error) {
 					if gateway == iface.IpAddress {
+						Debug("gateway is the interface")
 						return iface, nil
 					} else {
 						// we have the address, now we need its mac
@@ -28,6 +34,7 @@ func FindGateway(iface *Endpoint) (*Endpoint, error) {
 						if err != nil {
 							return nil, err
 						}
+						Debug("gateway is %s[%s]", gateway, mac)
 						return NewEndpoint(gateway, mac), nil
 					}
 				})
diff --git a/session/session.go b/session/session.go
index 02f81d47..e7069171 100644
--- a/session/session.go
+++ b/session/session.go
@@ -209,6 +209,10 @@ func (s *Session) Register(mod Module) error {
 func (s *Session) Start() error {
 	var err error
 
+	network.Debug = func(format string, args ...interface{}) {
+		s.Events.Log(log.DEBUG, format, args...)
+	}
+
 	// make sure modules are always sorted by name
 	sort.Slice(s.Modules, func(i, j int) bool {
 		return s.Modules[i].Name() < s.Modules[j].Name()