[  407.720797] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.738137] br0: port 1(c1) entered blocking state
[  407.738207] br0: port 1(c1) entered disabled state
[  407.738278] c1: entered allmulticast mode
[  407.738362] c1: entered promiscuous mode
[  407.752375] br0: port 2(c2) entered blocking state
[  407.752439] br0: port 2(c2) entered disabled state
[  407.752505] c2: entered allmulticast mode
[  407.752613] c2: entered promiscuous mode
[  407.766967] br0: port 3(c3) entered blocking state
[  407.767007] br0: port 3(c3) entered disabled state
[  407.767043] c3: entered allmulticast mode
[  407.767091] c3: entered promiscuous mode
[  407.781119] br0: port 4(sender) entered blocking state
[  407.781156] br0: port 4(sender) entered disabled state
[  407.781187] sender: entered allmulticast mode
[  407.781235] sender: entered promiscuous mode
[  407.786618] br0: port 4(sender) entered blocking state
[  407.786659] br0: port 4(sender) entered forwarding state
[  407.786693] br0: port 3(c3) entered blocking state
[  407.786721] br0: port 3(c3) entered forwarding state
[  407.786757] br0: port 2(c2) entered blocking state
[  407.786784] br0: port 2(c2) entered forwarding state
[  407.786812] br0: port 1(c1) entered blocking state
[  407.786844] br0: port 1(c1) entered forwarding state
[  407.794238] Bridge firewalling registered
[  418.408696] br0: port 1(c1) entered disabled state
[  418.409078] c1 (unregistering): left allmulticast mode
[  418.409150] c1 (unregistering): left promiscuous mode
[  418.409184] br0: port 1(c1) entered disabled state
[  418.440685] br0: port 3(c3) entered disabled state
[  418.440783] br0: port 2(c2) entered disabled state
[  418.440948] c3 (unregistering): left allmulticast mode
[  418.440983] c3 (unregistering): left promiscuous mode
[  418.441019] br0: port 3(c3) entered disabled state
[  418.441325] c2 (unregistering): left allmulticast mode
[  418.441366] c2 (unregistering): left promiscuous mode
[  418.441394] br0: port 2(c2) entered disabled state
[  418.455787] sender: left allmulticast mode
[  418.455817] sender: left promiscuous mode
[  418.455844] br0: port 4(sender) entered disabled state