/usr/lib/linux-tools/4.15.0-1040-azure/usbip is in linux-tools-4.15.0-1040-azure 4.15.0-1040.44.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.15.0-1040-azure/../../linux-azure-tools-4.15.0-1040/usbip