同时插了两条usb线的路由器dmesg显示。
usb.c: new usb bus registered, assigned bus number 3
ehci: enabling via 6212 workarounds
ehci_hcd 01:03.2: usb 2.0 enabled, ehci 1.00, driver 2003-dec-29/2.4
hub.c: usb hub found
hub.c: 4 ports detected
usb.c: registered new driver serial
usbserial.c: usb serial support registered for generic
usbserial.c: usb serial driver core v1.4
usbserial.c: usb serial support registered for ftdi sio
usbserial.c: usb serial support registered for ftdi 8u232am compatible
usbserial.c: usb serial support registered for ftdi ft232bm compatible
usbserial.c: usb serial support registered for usb-uirt infrared tranceiver
usbserial.c: usb serial support registered for home-electronics tira-1 ir trans
eiver
ftdi_sio.c: v1.3.5:usb ftdi serial converters driver
usbserial.c: usb serial support registered for pl-2303
pl2303.c: prolific pl2303 usb to serial adaptor driver v0.10.1
hub.c: connect-debounce failed, port 1 disabled
hub.c: new usb device 01:03.0-1, assigned address 2
usbserial.c: pl-2303 converter detected
usbserial.c: pl-2303 converter now attached to ttyusb0 (or usb/tts/0 for devfs)
device wl0 entered promiscuous mode
wl0: attempt to add interface with same source address.
br-lan: port 2(wl0) entering learning state
br-lan: port 2(wl0) entering forwarding state
br-lan: topology change detected, propagating