[  393.654208] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.669832] br0: port 1(c1) entered blocking state
[  393.669883] br0: port 1(c1) entered disabled state
[  393.669924] c1: entered allmulticast mode
[  393.669972] c1: entered promiscuous mode
[  393.682613] br0: port 2(c2) entered blocking state
[  393.682689] br0: port 2(c2) entered disabled state
[  393.682756] c2: entered allmulticast mode
[  393.682835] c2: entered promiscuous mode
[  393.695447] br0: port 3(c3) entered blocking state
[  393.695494] br0: port 3(c3) entered disabled state
[  393.695532] c3: entered allmulticast mode
[  393.695579] c3: entered promiscuous mode
[  393.708046] br0: port 4(sender) entered blocking state
[  393.708117] br0: port 4(sender) entered disabled state
[  393.708181] sender: entered allmulticast mode
[  393.708264] sender: entered promiscuous mode
[  393.713064] br0: port 4(sender) entered blocking state
[  393.713109] br0: port 4(sender) entered forwarding state
[  393.713143] br0: port 3(c3) entered blocking state
[  393.713177] br0: port 3(c3) entered forwarding state
[  393.713202] br0: port 2(c2) entered blocking state
[  393.713228] br0: port 2(c2) entered forwarding state
[  393.713260] br0: port 1(c1) entered blocking state
[  393.713290] br0: port 1(c1) entered forwarding state
[  393.720305] Bridge firewalling registered
[  404.331514] br0: port 1(c1) entered disabled state
[  404.331748] c1 (unregistering): left allmulticast mode
[  404.331791] c1 (unregistering): left promiscuous mode
[  404.331829] br0: port 1(c1) entered disabled state
[  404.351496] br0: port 2(c2) entered disabled state
[  404.351675] c2 (unregistering): left allmulticast mode
[  404.351722] c2 (unregistering): left promiscuous mode
[  404.351756] br0: port 2(c2) entered disabled state
[  404.371515] br0: port 4(sender) entered disabled state
[  404.371598] br0: port 3(c3) entered disabled state
[  404.371760] sender (unregistering): left allmulticast mode
[  404.371807] sender (unregistering): left promiscuous mode
[  404.371842] br0: port 4(sender) entered disabled state
[  404.372108] c3 (unregistering): left allmulticast mode
[  404.372157] c3 (unregistering): left promiscuous mode
[  404.372189] br0: port 3(c3) entered disabled state