Ebuild 2.2.0 has a missing or malformed copyright/licensing header.
[Notice] Ebuild 2.2.0 has an invalid header. It should start with a valid copyright line (e.g., '# Copyright YEARS MAIN-CONTRIBUTOR') and the GPLv2 distribution text followed by an empty line.
[Warning] Ebuild 2.2.0 has a line exceeding 80 positions on line 5.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 10.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 11.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 12.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 13.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 14.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 15.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 22.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 23.
[Warning] Ebuild 2.2.0 has trailing whitespace on line 24.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 24.
[Warning] Ebuild 2.2.0 uses spaces for indentation on line 25.
[Error] Manifest entry for unused DIST file 'netblocktool-2.2.0.tar.gz'
[Error] Repository is missing a repo-name in metadata/layout.conf or profiles/repo_name
[Notice] Package has only unstable keywords for arch(es): [ amd64 ], all versions are unstable: [ 2.2.0 ]
[Error] Invalid or missing metadata.xml: open net-misc/netblocktool/metadata.xml: file does not exist