One of the biggest barriers to adopt the netlink format for nftables is
the complexity of writing bytecode.
This commits adds a tool that allows to take an nftables dump and
generate the corresponding golang code and validating that the generated
code produces the exact same output.
Change-Id: I491b35e0d8062de33c67091dd4126d843b231838
Signed-off-by: Antonio Ojea <aojea@google.com>