4.15.0-45.48) is not available, but a newer one is (4.15.0-46.49). We redirected you there.
/usr/lib/linux-tools/4.4.0-59-lowlatency/lsvmbus is in linux-cloud-tools-4.4.0-59-lowlatency 4.4.0-59.80.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.4.0-59-lowlatency/../../linux-tools-4.4.0-59/lsvmbus