Hi,

I'm also having this issue. The output of dmesg:

  138.288033] usb 2-10: new high speed USB device using ehci_hcd and address 17
[  138.581980] usb 2-10: configuration #1 chosen from 1 choice
[  138.851273] phy10: Selected rate control algorithm 'pid'
[  138.860059] Registered led device: rt73usb-phy10:radio
[  138.860187] Registered led device: rt73usb-phy10:assoc
[  138.860269] Registered led device: rt73usb-phy10:quality
[  142.908455] firmware: requesting rt73.bin
[  143.002097] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  149.372753] usb 2-10: USB disconnect, address 17
[  149.384792] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x3040 with error -19.
[  149.384819] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3040 with error -19.
[  149.384829] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3028 with error -19.
[  149.384837] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3064 with error -19.
[  149.384845] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0c failed for offset 0x0000 with error -19.
[  149.384904] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  149.388624] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  149.388710] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  149.388773] phy10 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  149.800055] usb 2-10: new high speed USB device using ehci_hcd and address 18
[  150.095898] usb 2-10: configuration #1 chosen from 1 choice
[  150.367588] phy11: Selected rate control algorithm 'pid'
[  150.369743] Registered led device: rt73usb-phy11:radio
[  150.369785] Registered led device: rt73usb-phy11:assoc
[  150.369827] Registered led device: rt73usb-phy11:quality
[  154.420685] firmware: requesting rt73.bin
[  154.509224] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  161.020421] usb 2-10: USB disconnect, address 18
[  161.025345] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x3040 with error -19.
[  161.025360] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3040 with error -19.
[  161.025369] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3028 with error -19.
[  161.025376] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x3064 with error -19.
[  161.025384] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0c failed for offset 0x0000 with error -19.
[  161.025432] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  161.025632] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  161.025686] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  161.025750] phy11 -> rt2x00usb_vendor_request: Error - Vendor Request 0x0a failed for offset 0x0000 with error -19.
[  161.424534] usb 2-10: new high speed USB device using ehci_hcd and address 19
[  161.719986] usb 2-10: configuration #1 chosen from 1 choice
[  161.985886] phy12: Selected rate control algorithm 'pid'
[  161.987607] Registered led device: rt73usb-phy12:radio
[  161.987652] Registered led device: rt73usb-phy12:assoc
[  161.987692] Registered led device: rt73usb-phy12:quality
[  166.060469] firmware: requesting rt73.bin
[  166.148908] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  182.479490] type=1503 audit(1225956827.624:6): operation="inode_permission" requested_mask="r::" denied_mask="r::" fsuid=7 name="/proc/8016/net/" pid=8016 profile="/usr/sbin/cupsd"
[  182.483251] type=1503 audit(1225956827.628:7): operation="socket_create" family="ax25" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484140] type=1503 audit(1225956827.632:8): operation="socket_create" family="netrom" sock_type="seqpacket" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484158] type=1503 audit(1225956827.632:9): operation="socket_create" family="rose" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484172] type=1503 audit(1225956827.632:10): operation="socket_create" family="ipx" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484186] type=1503 audit(1225956827.632:11): operation="socket_create" family="appletalk" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484199] type=1503 audit(1225956827.632:12): operation="socket_create" family="econet" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484212] type=1503 audit(1225956827.632:13): operation="socket_create" family="ash" sock_type="dgram" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484225] type=1503 audit(1225956827.632:14): operation="socket_create" family="x25" sock_type="seqpacket" protocol=0 pid=8016 profile="/usr/sbin/cupsd"
[  182.484348] type=1503 audit(1225956827.632:15): operation="inode_permission" requested_mask="::r" denied_mask="::r" fsuid=7 name="/proc/8016/net/dev" pid=8016 profile="/usr/sbin/cupsd"


I tried blacklisting it and installing from source following this thread but unsuccessfully.

http://tennessee.ubuntuforums.com/showthread.php?s=d7f83044800d52bc276869d2d6ee7fa2&t=934055