/lib/modules/4.4.0-21-generic/kernel/net/ is in linux-image-4.4.0-21-generic 4.4.0-21.37.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (473 total).
We're only showing the immediate contents of /lib/modules/4.4.0-21-generic/kernel/net
.