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[25.0 backport] Add internal n/w bridge to firewalld docker zone #47303

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Commits on Feb 2, 2024

  1. Add internal n/w bridge to firewalld docker zone

    Containers attached to an 'internal' bridge network are unable to
    communicate when the host is running firewalld.
    
    Non-internal bridges are added to a trusted 'docker' firewalld zone, but
    internal bridges were not.
    
    DOCKER-ISOLATION iptables rules are still configured for an internal
    network, they block traffic to/from addresses outside the network's subnet.
    
    Signed-off-by: Rob Murray <rob.murray@docker.com>
    (cherry picked from commit 2cc6279)
    Signed-off-by: Albin Kerouanton <albinker@gmail.com>
    robmry authored and akerouanton committed Feb 2, 2024
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