/usr/share/dpdk/examples/l2fwd/ is in dpdk-doc 2.2.0-0ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dpdk/examples/l2fwd-crypto/Makefile
/usr/share/dpdk/examples/l2fwd-crypto/main.c
/usr/share/dpdk/examples/l2fwd-ivshmem/Makefile
/usr/share/dpdk/examples/l2fwd-ivshmem/guest/
/usr/share/dpdk/examples/l2fwd-ivshmem/guest/Makefile
/usr/share/dpdk/examples/l2fwd-ivshmem/guest/guest.c
/usr/share/dpdk/examples/l2fwd-ivshmem/host/
/usr/share/dpdk/examples/l2fwd-ivshmem/host/Makefile
/usr/share/dpdk/examples/l2fwd-ivshmem/host/host.c
/usr/share/dpdk/examples/l2fwd-ivshmem/include/
/usr/share/dpdk/examples/l2fwd-ivshmem/include/common.h
/usr/share/dpdk/examples/l2fwd-jobstats/Makefile
/usr/share/dpdk/examples/l2fwd-jobstats/main.c
/usr/share/dpdk/examples/l2fwd-keepalive/Makefile
/usr/share/dpdk/examples/l2fwd-keepalive/main.c
/usr/share/dpdk/examples/l2fwd/Makefile
/usr/share/dpdk/examples/l2fwd/main.c