Firewalld integration (#11883)
Firewalld integration (#11883)

* Firewalld integration

Added a section mentioning the firewalld integration
and added notes on handling issues we've seen in the
community

Relates to https://github.com/docker/for-linux/issues/1163

Signed-off-by: Arko Dasgupta <5ace5199265f07060a7b6fe8a48858e91c7682a6@docker.com>

* Update network/iptables.md

Co-authored-by: Usha Mandya <63fc8324d194bb900191b7ad7215ea10fd135fb2@users.noreply.github.com>

* Minor style edits

Co-authored-by: Usha Mandya <63fc8324d194bb900191b7ad7215ea10fd135fb2@users.noreply.github.com>
thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io