Code:
[ 95.605118] usb 1-1: new high-speed USB device number 2 using ehci_hcd
[ 95.750767] usb 1-1: New USB device found, idVendor=0bda, idProduct=8172
[ 95.750771] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 95.750774] usb 1-1: Product: RTL8191S WLAN Adapter
[ 95.750776] usb 1-1: Manufacturer: Manufacturer Realtek
[ 95.750778] usb 1-1: SerialNumber: 00e04c000001
[ 95.955936] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 95.957104] r8712u: Staging version
[ 95.957121] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 95.957124] r8712u: USB_SPEED_HIGH with 4 endpoints
[ 95.960006] r8712u: Boot from EFUSE: Autoload OK
[ 101.407224] r8712u: CustomerID = 0x000a
[ 101.407228] r8712u: MAC Address from efuse = 00:0b:81:ab:10:c5
[ 101.407231] r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 101.407306] usbcore: registered new interface driver r8712u
[ 102.545696] r8712u: 1 RCR=0x153f00e
[ 102.549180] r8712u: 2 RCR=0x553f00e
[ 102.682550] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
root@kali:~# iwconfig
wlan0 unassociated Nickname:"rtl_wifi"
Mode:Managed Access Point: Not-Associated Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0