[  393.097101] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.112046] br0: port 1(c1) entered blocking state
[  393.112121] br0: port 1(c1) entered disabled state
[  393.112187] c1: entered allmulticast mode
[  393.112265] c1: entered promiscuous mode
[  393.124921] br0: port 2(c2) entered blocking state
[  393.124986] br0: port 2(c2) entered disabled state
[  393.125055] c2: entered allmulticast mode
[  393.125135] c2: entered promiscuous mode
[  393.137780] br0: port 3(c3) entered blocking state
[  393.137844] br0: port 3(c3) entered disabled state
[  393.137915] c3: entered allmulticast mode
[  393.137994] c3: entered promiscuous mode
[  393.150528] br0: port 4(sender) entered blocking state
[  393.150592] br0: port 4(sender) entered disabled state
[  393.150661] sender: entered allmulticast mode
[  393.150742] sender: entered promiscuous mode
[  393.155669] br0: port 4(sender) entered blocking state
[  393.155707] br0: port 4(sender) entered forwarding state
[  393.155744] br0: port 3(c3) entered blocking state
[  393.155773] br0: port 3(c3) entered forwarding state
[  393.155807] br0: port 2(c2) entered blocking state
[  393.155839] br0: port 2(c2) entered forwarding state
[  393.155871] br0: port 1(c1) entered blocking state
[  393.155901] br0: port 1(c1) entered forwarding state
[  393.162850] Bridge firewalling registered
[  403.785437] br0: port 1(c1) entered disabled state
[  403.785711] c1 (unregistering): left allmulticast mode
[  403.785780] c1 (unregistering): left promiscuous mode
[  403.785846] br0: port 1(c1) entered disabled state
[  403.805398] br0: port 2(c2) entered disabled state
[  403.805639] c2 (unregistering): left allmulticast mode
[  403.805718] c2 (unregistering): left promiscuous mode
[  403.805792] br0: port 2(c2) entered disabled state
[  403.828388] br0: port 4(sender) entered disabled state
[  403.828522] br0: port 3(c3) entered disabled state
[  403.828734] sender (unregistering): left allmulticast mode
[  403.828808] sender (unregistering): left promiscuous mode
[  403.828889] br0: port 4(sender) entered disabled state
[  403.829148] c3 (unregistering): left allmulticast mode
[  403.829215] c3 (unregistering): left promiscuous mode
[  403.829290] br0: port 3(c3) entered disabled state