Fix error msg and comments
Fix error msg and comments

Signed-off-by: Mathieu Rohon <49bdc528c11a889258f5c057b2d3e65f05f431fa@orange.com>

lebauce/skydive,lebauce/skydive,skydive-project/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,skydive-project/skydive,skydive-project/skydive