[  421.194403] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.211218] br0: port 1(c1) entered blocking state
[  421.211301] br0: port 1(c1) entered disabled state
[  421.211372] c1: entered allmulticast mode
[  421.211459] c1: entered promiscuous mode
[  421.226861] br0: port 2(c2) entered blocking state
[  421.226936] br0: port 2(c2) entered disabled state
[  421.227007] c2: entered allmulticast mode
[  421.227090] c2: entered promiscuous mode
[  421.242205] br0: port 3(c3) entered blocking state
[  421.242244] br0: port 3(c3) entered disabled state
[  421.242281] c3: entered allmulticast mode
[  421.242330] c3: entered promiscuous mode
[  421.257236] br0: port 4(sender) entered blocking state
[  421.257307] br0: port 4(sender) entered disabled state
[  421.257383] sender: entered allmulticast mode
[  421.257479] sender: entered promiscuous mode
[  421.263323] br0: port 4(sender) entered blocking state
[  421.263399] br0: port 4(sender) entered forwarding state
[  421.263470] br0: port 3(c3) entered blocking state
[  421.263536] br0: port 3(c3) entered forwarding state
[  421.263604] br0: port 2(c2) entered blocking state
[  421.263671] br0: port 2(c2) entered forwarding state
[  421.263738] br0: port 1(c1) entered blocking state
[  421.263804] br0: port 1(c1) entered forwarding state
[  421.270714] Bridge firewalling registered
[  431.875931] br0: port 1(c1) entered disabled state
[  431.876212] c1 (unregistering): left allmulticast mode
[  431.876255] c1 (unregistering): left promiscuous mode
[  431.876294] br0: port 1(c1) entered disabled state
[  431.899015] br0: port 2(c2) entered disabled state
[  431.899229] c2 (unregistering): left allmulticast mode
[  431.899269] c2 (unregistering): left promiscuous mode
[  431.899307] br0: port 2(c2) entered disabled state
[  431.926935] sender: left allmulticast mode
[  431.927031] sender: left promiscuous mode
[  431.927078] br0: port 4(sender) entered disabled state
[  431.927219] c3: left allmulticast mode
[  431.927250] c3: left promiscuous mode
[  431.927278] br0: port 3(c3) entered disabled state