gistfile1.txt

diff --git a/candidate_relay.go b/candidate_relay.go
index 12f9f92..769af0d 100644
--- a/candidate_relay.go
+++ b/candidate_relay.go
@@ -2,6 +2,7 @@ package ice
 
 import (
 	"errors"
+	"fmt"
 	"io"
 	"net"
 
@@ -71,13 +72,18 @@ func (c *CandidateRelay) addPermission(dst Candidate) error {
 
 	c.lock.Lock()
 	c.permissions[dst.String()] = permission
+	err = c.permissions[dst.String()].Bind()
 	c.lock.Unlock()
+	if err != nil {
+		return err
+	}
 
 	go func(remoteAddr net.Addr) {
 		log := c.agent().log
 		buffer := make([]byte, receiveMTU)
 		for {
 			n, err := permission.Read(buffer)
+			fmt.Printf("from permission %d \n", n)
 			if err != nil {
 				return
 			}
@@ -94,5 +100,6 @@ func (c *CandidateRelay) writeTo(raw []byte, dst Candidate) (int, error) {
 		return 0, errors.New("no permission created for remote candidate")
 	}
 
+	fmt.Printf("to permission %d \n", len(raw))
 	return permission.Write(raw)
 }