phy1 wlan0 rtl8187 Realtek Semiconductor Corp. RTL8187
phy0 wlan1 rtl8192cu Edimax Technology Co., Ltd EW-7811Un 802.11n [Realtek RTL8188CUS]

Those are my devices. I was wondering after 5 minutes of being connected to any network I get an error message

Activation of network connection failed

I have VirtualBox with Kali Sana.

Any ideas how to troubleshoot? or gain more insight to solve this problem.