[  420.744070] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  420.759576] br0: port 1(c1) entered blocking state
[  420.759613] br0: port 1(c1) entered disabled state
[  420.759643] c1: entered allmulticast mode
[  420.759703] c1: entered promiscuous mode
[  420.773273] br0: port 2(c2) entered blocking state
[  420.773307] br0: port 2(c2) entered disabled state
[  420.773335] c2: entered allmulticast mode
[  420.773376] c2: entered promiscuous mode
[  420.786862] br0: port 3(c3) entered blocking state
[  420.786899] br0: port 3(c3) entered disabled state
[  420.786933] c3: entered allmulticast mode
[  420.786988] c3: entered promiscuous mode
[  420.800176] br0: port 4(sender) entered blocking state
[  420.800210] br0: port 4(sender) entered disabled state
[  420.800242] sender: entered allmulticast mode
[  420.800292] sender: entered promiscuous mode
[  420.805342] br0: port 4(sender) entered blocking state
[  420.805377] br0: port 4(sender) entered forwarding state
[  420.805411] br0: port 3(c3) entered blocking state
[  420.805446] br0: port 3(c3) entered forwarding state
[  420.805477] br0: port 2(c2) entered blocking state
[  420.805505] br0: port 2(c2) entered forwarding state
[  420.805535] br0: port 1(c1) entered blocking state
[  420.805563] br0: port 1(c1) entered forwarding state
[  420.812589] Bridge firewalling registered
[  431.477097] br0: port 1(c1) entered disabled state
[  431.477314] c1 (unregistering): left allmulticast mode
[  431.477352] c1 (unregistering): left promiscuous mode
[  431.477388] br0: port 1(c1) entered disabled state
[  431.505053] br0: port 2(c2) entered disabled state
[  431.505229] c2 (unregistering): left allmulticast mode
[  431.505265] c2 (unregistering): left promiscuous mode
[  431.505296] br0: port 2(c2) entered disabled state
[  431.538037] br0: port 4(sender) entered disabled state
[  431.538136] br0: port 3(c3) entered disabled state
[  431.538368] sender (unregistering): left allmulticast mode
[  431.538406] sender (unregistering): left promiscuous mode
[  431.538440] br0: port 4(sender) entered disabled state
[  431.538717] c3 (unregistering): left allmulticast mode
[  431.538755] c3 (unregistering): left promiscuous mode
[  431.538785] br0: port 3(c3) entered disabled state