[  406.397307] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.413885] br0: port 1(c1) entered blocking state
[  406.413924] br0: port 1(c1) entered disabled state
[  406.413969] c1: entered allmulticast mode
[  406.414018] c1: entered promiscuous mode
[  406.428502] br0: port 2(c2) entered blocking state
[  406.428569] br0: port 2(c2) entered disabled state
[  406.428637] c2: entered allmulticast mode
[  406.428717] c2: entered promiscuous mode
[  406.442739] br0: port 3(c3) entered blocking state
[  406.442778] br0: port 3(c3) entered disabled state
[  406.442815] c3: entered allmulticast mode
[  406.442860] c3: entered promiscuous mode
[  406.456901] br0: port 4(sender) entered blocking state
[  406.456969] br0: port 4(sender) entered disabled state
[  406.457035] sender: entered allmulticast mode
[  406.457121] sender: entered promiscuous mode
[  406.462775] br0: port 4(sender) entered blocking state
[  406.462838] br0: port 4(sender) entered forwarding state
[  406.462907] br0: port 3(c3) entered blocking state
[  406.462976] br0: port 3(c3) entered forwarding state
[  406.463041] br0: port 2(c2) entered blocking state
[  406.463106] br0: port 2(c2) entered forwarding state
[  406.463174] br0: port 1(c1) entered blocking state
[  406.463247] br0: port 1(c1) entered forwarding state
[  406.470905] Bridge firewalling registered
[  417.145766] br0: port 1(c1) entered disabled state
[  417.145931] c1 (unregistering): left allmulticast mode
[  417.145998] c1 (unregistering): left promiscuous mode
[  417.146034] br0: port 1(c1) entered disabled state
[  417.174725] br0: port 2(c2) entered disabled state
[  417.175135] c2 (unregistering): left allmulticast mode
[  417.175207] c2 (unregistering): left promiscuous mode
[  417.175243] br0: port 2(c2) entered disabled state
[  417.199619] br0: port 4(sender) entered disabled state
[  417.199715] br0: port 3(c3) entered disabled state
[  417.199847] sender (unregistering): left allmulticast mode
[  417.199925] sender (unregistering): left promiscuous mode
[  417.199962] br0: port 4(sender) entered disabled state
[  417.200467] c3 (unregistering): left allmulticast mode
[  417.200518] c3 (unregistering): left promiscuous mode
[  417.200548] br0: port 3(c3) entered disabled state