I've just experienced a similar issue on intrepid my eth0 was reported as eth8 it may be because this systems been rebuilt and moved between pc's a few times over the years and had several different network cards hopefully renaming eth8 eth0 and deleting the other entries cures the issue (it seem too)
I've just experienced a similar issue on intrepid my eth0 was reported as eth8 it may be because this systems been rebuilt and moved between pc's a few times over the years and had several different network cards hopefully renaming eth8 eth0 and deleting the other entries cures the issue (it seem too)