[  400.773865] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.788042] br0: port 1(c1) entered blocking state
[  400.788089] br0: port 1(c1) entered disabled state
[  400.788121] c1: entered allmulticast mode
[  400.788161] c1: entered promiscuous mode
[  400.800998] br0: port 2(c2) entered blocking state
[  400.801074] br0: port 2(c2) entered disabled state
[  400.801109] c2: entered allmulticast mode
[  400.801148] c2: entered promiscuous mode
[  400.813850] br0: port 3(c3) entered blocking state
[  400.813913] br0: port 3(c3) entered disabled state
[  400.813951] c3: entered allmulticast mode
[  400.813998] c3: entered promiscuous mode
[  400.826618] br0: port 4(sender) entered blocking state
[  400.826657] br0: port 4(sender) entered disabled state
[  400.826684] sender: entered allmulticast mode
[  400.826729] sender: entered promiscuous mode
[  400.831486] br0: port 4(sender) entered blocking state
[  400.831550] br0: port 4(sender) entered forwarding state
[  400.831598] br0: port 3(c3) entered blocking state
[  400.831632] br0: port 3(c3) entered forwarding state
[  400.831662] br0: port 2(c2) entered blocking state
[  400.831725] br0: port 2(c2) entered forwarding state
[  400.831761] br0: port 1(c1) entered blocking state
[  400.831808] br0: port 1(c1) entered forwarding state
[  400.838718] Bridge firewalling registered
[  411.463847] br0: port 1(c1) entered disabled state
[  411.464020] c1 (unregistering): left allmulticast mode
[  411.464057] c1 (unregistering): left promiscuous mode
[  411.464088] br0: port 1(c1) entered disabled state
[  411.485818] br0: port 2(c2) entered disabled state
[  411.485961] c2 (unregistering): left allmulticast mode
[  411.486000] c2 (unregistering): left promiscuous mode
[  411.486028] br0: port 2(c2) entered disabled state
[  411.512823] br0: port 4(sender) entered disabled state
[  411.513039] br0: port 3(c3) entered disabled state
[  411.513244] sender (unregistering): left allmulticast mode
[  411.513323] sender (unregistering): left promiscuous mode
[  411.513359] br0: port 4(sender) entered disabled state
[  411.513608] c3 (unregistering): left allmulticast mode
[  411.513677] c3 (unregistering): left promiscuous mode
[  411.513728] br0: port 3(c3) entered disabled state