Document automated testing procedure

Example DIND systemd unit

Correctly restore connection mark for UDP traffic, to allow e.g. DNS …

…services to work

(fix for #11)

Bugfix serious launch issue, preventing shutdown when dockerd not yet…

… running (and bump to v3.2.0)

Enable 'loose' reverse-path filter mode on the container ingress netw…

…ork (and bump to v3.1.0)

v3.0.1: Bugfix parsing of --ingress-gateway-ips

Version 3.0.0

New functionality and command line arguments:

           --services <services>  - service names to disable masquerading for
           --tcp-ports <ports>    - TCP ports to disable masquerading for
           --udp-ports <ports>    - UDP ports to disable masquerading for
   --ingress-gateway-ips <ips>    - specify load-balance ingress IPs
              --no-performance    - disable performance optimisations