【求助】openwrt x86 虚拟机 连 usb 无线网卡，能认出，但是不能启动无线。

Para***

下面是日志。但是就是wifi不能启动，为什么？

[    4.602279] sis900.c: v1.08.10 Apr. 2 2006
[    4.603794] via_rhine: v1.10-LK1.5.1 2010-10-09 Written by Donald Becker
[    4.607585] xt_time: kernel timezone is -0000
[    4.609312] cfg80211: Calling CRDA to update world regulatory domain
[    4.610287] cfg80211: World regulatory domain updated:
[    4.610434] cfg80211:  DFS Master region: unset
[    4.610581] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[    4.610727] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[    4.610874] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[    4.611021] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[    4.611168] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (300 mBi, 2000 mBm)
[    4.611314] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (300 mBi, 2000 mBm)
[    4.611461] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm)
[    4.627945] PPP generic driver version 2.4.2
[    4.628600] NET: Registered protocol family 24
[    4.756496] usb 1-1: reset high-speed USB device number 2 using ehci-pci
[    4.927154] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
[    5.021252] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
[    5.022697] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[    5.031162] usbcore: registered new interface driver rt2800usb
[    6.399180] pcnet32 0000:02:00.0 eth0: link up
[    8.033629] device eth0 entered promiscuous mode
[    8.238757] br-lan: port 1(eth0) entered forwarding state
[    8.238893] br-lan: port 1(eth0) entered forwarding state
[   10.497913] br-lan: port 1(eth0) entered forwarding state