failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master: failed to run ["git" "fetch" "git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git" "master"]: exit status 128 fatal: unable to look up git.kernel.org (port 9418) (Temporary failure in name resolution)