From your BootDmesg.txt file it seems to be working:
[ 35.273764] r8169 0000:02:00.0: eth0: link up [ 35.273773] r8169 0000:02:00.0: eth0: link up
From your BootDmesg.txt file it seems to be working:
[ 35.273764] r8169 0000:02:00.0: eth0: link up
[ 35.273773] r8169 0000:02:00.0: eth0: link up