aireplay-ng -9 -e 'ernesto' -a XX:XX:XX:XX:XX:XX mon0
Waiting for beacon frame (BSSID: XX:XX:XX:XX:XX:XX) on channel 11mon0 is on channel 11, but the AP uses channel 9
airmon-ng start mon0 9
airodump-ng -c 9 -b XX:XX:XX:XX:XX:XX mon0
sudo airmon-ng stop wlan0 11
sudo airmon-ng start wlan0 9