$ ls *deb
linux-headers-4.12.0-041200rc3_4.12.0-041200rc3.201705282131_all.deb		linux-image-4.12.0-041200rc3-generic_4.12.0-041200rc3.201705282131_amd64.deb
linux-headers-4.12.0-041200rc3-generic_4.12.0-041200rc3.201705282131_amd64.deb