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Using Monitor mode causes disconnect in 15 seconds

Whenever I start wireshark in monitor mode:

sudo wireshark -I -I wlan0  -kSl

The capture ends in 15 seconds, because the adapter disconnects from the network. syslog says: wpa_supplicant CTRL_EVENT_SIGNAL_CHANGE

I've tried Ubuntu 19 and Kali and get the same result.

Any idea why this happens?

Using Monitor mode causes disconnect in 15 seconds

Whenever I start wireshark in monitor mode:

sudo wireshark -I -I -i wlan0  -kSl

The capture ends in 15 seconds, because the adapter disconnects from the network. syslog says: wpa_supplicant CTRL_EVENT_SIGNAL_CHANGE

I've tried Ubuntu 19 and Kali and get the same result.

Any idea why this happens?

Using Monitor mode causes disconnect in 15 seconds

Whenever I start wireshark in monitor mode:

sudo wireshark -I -i wlan0  -kSl

The capture ends in 15 seconds, because the adapter disconnects from the network. syslog says: wpa_supplicant CTRL_EVENT_SIGNAL_CHANGE

I've tried Ubuntu 19 and Kali and get the same result.

If I don't connect to the AP, it works fine.

Any idea why this happens?