/usr/share/dpdk/mk/machine/ is in dpdk-dev 2.2.0-0ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dpdk/mk/machine/armv7-a/
/usr/share/dpdk/mk/machine/armv7-a/rte.vars.mk
/usr/share/dpdk/mk/machine/armv8a/
/usr/share/dpdk/mk/machine/armv8a/rte.vars.mk
/usr/share/dpdk/mk/machine/atm/
/usr/share/dpdk/mk/machine/atm/rte.vars.mk
/usr/share/dpdk/mk/machine/default/
/usr/share/dpdk/mk/machine/default/rte.vars.mk
/usr/share/dpdk/mk/machine/hsw/
/usr/share/dpdk/mk/machine/hsw/rte.vars.mk
/usr/share/dpdk/mk/machine/ivb/
/usr/share/dpdk/mk/machine/ivb/rte.vars.mk
/usr/share/dpdk/mk/machine/native/
/usr/share/dpdk/mk/machine/native/rte.vars.mk
/usr/share/dpdk/mk/machine/nhm/
/usr/share/dpdk/mk/machine/nhm/rte.vars.mk
/usr/share/dpdk/mk/machine/power8/
/usr/share/dpdk/mk/machine/power8/rte.vars.mk
/usr/share/dpdk/mk/machine/snb/
/usr/share/dpdk/mk/machine/snb/rte.vars.mk
/usr/share/dpdk/mk/machine/thunderx/
/usr/share/dpdk/mk/machine/thunderx/rte.vars.mk
/usr/share/dpdk/mk/machine/tilegx/
/usr/share/dpdk/mk/machine/tilegx/rte.vars.mk
/usr/share/dpdk/mk/machine/wsm/
/usr/share/dpdk/mk/machine/wsm/rte.vars.mk
/usr/share/dpdk/mk/machine/xgene1/
/usr/share/dpdk/mk/machine/xgene1/rte.vars.mk