failed to checkout kernel repo git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git on merge base 6167af934f956d3ae1e06d61f45cd0d1004bbe1a: failed to run ["git" "checkout" "6167af934f956d3ae1e06d61f45cd0d1004bbe1a"]: exit status 128