[  400.955990] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.969940] br0: port 1(c1) entered blocking state
[  400.970022] br0: port 1(c1) entered disabled state
[  400.970094] c1: entered allmulticast mode
[  400.970177] c1: entered promiscuous mode
[  400.983494] br0: port 2(c2) entered blocking state
[  400.983581] br0: port 2(c2) entered disabled state
[  400.983656] c2: entered allmulticast mode
[  400.983745] c2: entered promiscuous mode
[  400.998516] br0: port 3(c3) entered blocking state
[  400.998568] br0: port 3(c3) entered disabled state
[  400.998610] c3: entered allmulticast mode
[  400.998660] c3: entered promiscuous mode
[  401.011840] br0: port 4(sender) entered blocking state
[  401.011890] br0: port 4(sender) entered disabled state
[  401.011930] sender: entered allmulticast mode
[  401.011985] sender: entered promiscuous mode
[  401.017290] br0: port 4(sender) entered blocking state
[  401.017340] br0: port 4(sender) entered forwarding state
[  401.017379] br0: port 3(c3) entered blocking state
[  401.017421] br0: port 3(c3) entered forwarding state
[  401.017459] br0: port 2(c2) entered blocking state
[  401.017496] br0: port 2(c2) entered forwarding state
[  401.017531] br0: port 1(c1) entered blocking state
[  401.017569] br0: port 1(c1) entered forwarding state
[  401.024772] Bridge firewalling registered
[  411.645821] br0: port 1(c1) entered disabled state
[  411.646084] c1 (unregistering): left allmulticast mode
[  411.646157] c1 (unregistering): left promiscuous mode
[  411.646226] br0: port 1(c1) entered disabled state
[  411.678804] br0: port 3(c3) entered disabled state
[  411.678936] br0: port 2(c2) entered disabled state
[  411.679098] c3 (unregistering): left allmulticast mode
[  411.679158] c3 (unregistering): left promiscuous mode
[  411.679219] br0: port 3(c3) entered disabled state
[  411.679430] c2 (unregistering): left allmulticast mode
[  411.679489] c2 (unregistering): left promiscuous mode
[  411.679549] br0: port 2(c2) entered disabled state
[  411.690838] sender: left allmulticast mode
[  411.690904] sender: left promiscuous mode
[  411.690972] br0: port 4(sender) entered disabled state