Linux imx6qsabresd 3.0.35-1.1.0+yocto+g21304e1 networking problem

["Муравьев Александр Борисович" <amur@elvees.com>]

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I have some issue with network subsystem. When i build target 
fsl-image-gui i can not make it working (i mean networking).
When kernel starting I get

*/Configuring network interfaces... eth0: Freescale FEC PHY driver 
[Generic PHY] (mii_bus:phy_addr=1:00, irq=-1)/**/
/**/udhcpc (v1.20.2) started/**/
/**/Sending discover.../**/
/**/PHY: 1:00 - Link is Up - 100/Full/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/Sending discover.../**/
/**/Sending discover.../**/
/**/No lease, failing/**/
/**/Starting rpcbind daemon...rpcbind: cannot create socket for udp6/**/
/**/rpcbind: cannot create socket for tcp6/**/
/**/done./*


And then if i type

/root@imx6qsabresd:~# udhcpc -i eth0 -n/

I get

*/udhcpc (v1.20.2) started/**/
/**/Sending discover.../**/
/**/Sending discover.../**/
/**/Sending discover.../**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/No lease, failing/**/
/**/root@imx6qsabresd:~#/*


Once i was able to connect to my board via ssh. But in shart time 
connection was refused.
So i can not get lease from my dhcp. If i use static ip and netmask 
network not working too. Sometime i get messages like this:

*/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/**/
/**/net eth0: FEC ENET: rcv is not +last/*

Almost forgot:

*/root@imx6qsabresd:~# uname -a/**/
/**/Linux imx6qsabresd 3.0.35-1.1.0+yocto+g21304e1 #1 SMP PREEMPT Wed 
Oct 9 17:15:15 MSK 2013 armv7l GNU/Linux/*

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