usb_hcd_poll_rh_status, 531.
hub_events enter...
hub 1-:1.0: state 7 ports 2 chg 0000 evt 0004
hub 1-:1.0: after hub_port_connect_change
hub 1-:1.0: port 2, status 0501, change 0001, 480 Mb/s
hub 1-:1.0: debounce: port 2: total 100ms stable 100ms status 0x501
usb 1-2: new high speed USB device using gx-ehci and address 2
usb 1-2: skipped 3 descriptors after interface
usb 1-2: default language 0x0409
usb 1-2: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-2: usb_probe_device
usb 1-2: configuration #1 chosen from 2 choices
usb 1-2: adding 1-2:1.0 (config #1, interface 0)
r8152 1-2:1.0: usb_probe_interface
r8152 1-2:1.0: usb_probe_interface - got id
USB Net Device r8152 0bda:8152 found.
bConfigurationValue = 1
[r8152b_get_version:1853] version : 4c10
[set_auto_mac:738] mac addr : 0x0:0xe0:0x4c:0x36:0x5:0xcd
[set_auto_mac:754] mac addr : 0x0:0x6b:0xb:0x11:0xf:0xe8
[set_auto_mac:765] mac addr : 0x0:0x6b:0xb:0x11:0xf:0xe8
[rtl8152_bind:2002]MAC: 00:6b:0b:11:0f:e8
rtl8152 push scheduled
Realtek RTL8152 Based USB 2.0 Ethernet Adaptersv1.0.0 (2013/05/03)
dev->rx_urb_size = 1546
<3>usbnet_probe finish
hub 1-:1.0: after hub_port_connect_change
hub_events exit.

[USBNET HOTPLUG] PLUG_IN: 0

USB eth Hotplug in!!
Realtek RTL8152 USB 2.0 Ethernet Link Status : not ok
Realtek RTL8152 USB 2.0 Ethernet Link Status : ok
[rtl8152_enable:1147] speed: 000b
[_rtl8152_set_rx_mode:990] netdev->flags:8002 netdev->mc_count = 0
mc_filter : 80000000 0

NET, GET MAC =
SIOCSIFFLAGS err !
errno is 300
SIOCDIFADDR error !
network_init, dev : eth1
[WAIT SEM]______tdhcp_lease_______
eth1: Initializing device to use DHCP.
SIOCSIFADDR: Device not configured
SIOCDIFADDR error !