[yocto] wlan0: link is not ready ?

[Riko Ho]

Hello everyone,

The board can see the dongle but it can not obtain IP, how to fix it ?

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ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 
'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - 
version: 0.36
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
udhcpc (v1.24.1) started
Sending discover...
Sending discover...
Sending discover...
No lease, forking to background

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/*******/
Sent by Ubuntu LTS 16.04,
谢谢,
Regards,
Riko Ho
/*******/

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