Hmm, I see 3 bugs against kernel-package, and 58570 is among them, I'm not sure how you missed it :)
-- make-kpkg - fatal error: UTS Release does not match current version https://launchpad.net/bugs/59909 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs