RTL81xx is just a very bad modification of chuckos kext. I wouldnt use anything from afollow disciple of tonymac who just renames stuff like chameleon with out a single bit of own code. Tony usually just takes the trunk modifications and puts them into his chimera branch.
aschar1 thanx for your help, I did everything you`ve suggested but nothing helped, I was forces to do fresh install & after 2 days ethernet problem reappeared again, I think there is an issue with EFI string of RTL8168D/8111E for this model of MoBo
I`ve also mesed up with S/L/E
Kozlek`s Sensors kext
for audio patching used AppleHDA.kext+ALC885HDA.kext
after that DSDT changes has no more importance cuz something happening with RTL81xx and IOnetworking.kext
Only use 1 injection method either DSDT, EFI String, Injector.kext or Bootloader Injection if you use my dsdt mods you need to remove your efi string for ethernet. Since you have the same mobo i can upload my extra folder for you. I dont understand teh usb3.0 kext your mobo doesnt have any usb3.0 ports