Fix entrypoint.sh command check.

entrypoint.sh

@@ -5,9 +5,10 @@ dev=eth0
 command=$1
 shift
 
-if [[ $command -eq "sender" ]];then
+if [[ "$command" == "sender" ]]; then
+    echo "FOO"
     params=$1; shift # Add Host
-elif [[ $command -eq "receiver" ]]; then
+elif [[ "$command" == "receiver" ]]; then
     :
 else
     echo "Command should be either sender or receiver."