[  421.099200] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.114391] br0: port 1(c1) entered blocking state
[  421.114474] br0: port 1(c1) entered disabled state
[  421.114544] c1: entered allmulticast mode
[  421.114624] c1: entered promiscuous mode
[  421.128894] br0: port 2(c2) entered blocking state
[  421.128967] br0: port 2(c2) entered disabled state
[  421.129036] c2: entered allmulticast mode
[  421.129114] c2: entered promiscuous mode
[  421.143389] br0: port 3(c3) entered blocking state
[  421.143469] br0: port 3(c3) entered disabled state
[  421.143538] c3: entered allmulticast mode
[  421.143616] c3: entered promiscuous mode
[  421.157779] br0: port 4(sender) entered blocking state
[  421.157849] br0: port 4(sender) entered disabled state
[  421.157924] sender: entered allmulticast mode
[  421.158010] sender: entered promiscuous mode
[  421.163634] br0: port 4(sender) entered blocking state
[  421.163704] br0: port 4(sender) entered forwarding state
[  421.163773] br0: port 3(c3) entered blocking state
[  421.163837] br0: port 3(c3) entered forwarding state
[  421.163902] br0: port 2(c2) entered blocking state
[  421.163974] br0: port 2(c2) entered forwarding state
[  421.164040] br0: port 1(c1) entered blocking state
[  421.164103] br0: port 1(c1) entered forwarding state
[  421.170680] Bridge firewalling registered
[  431.807014] br0: port 1(c1) entered disabled state
[  431.807244] c1 (unregistering): left allmulticast mode
[  431.807311] c1 (unregistering): left promiscuous mode
[  431.807384] br0: port 1(c1) entered disabled state
[  431.832996] br0: port 3(c3) entered disabled state
[  431.833148] br0: port 2(c2) entered disabled state
[  431.833333] c3 (unregistering): left allmulticast mode
[  431.833398] c3 (unregistering): left promiscuous mode
[  431.833462] br0: port 3(c3) entered disabled state
[  431.833731] c2 (unregistering): left allmulticast mode
[  431.833801] c2 (unregistering): left promiscuous mode
[  431.833870] br0: port 2(c2) entered disabled state
[  431.867002] sender: left allmulticast mode
[  431.867096] sender: left promiscuous mode
[  431.867157] br0: port 4(sender) entered disabled state