[  423.103517] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  423.118413] br0: port 1(c1) entered blocking state
[  423.118487] br0: port 1(c1) entered disabled state
[  423.118553] c1: entered allmulticast mode
[  423.118630] c1: entered promiscuous mode
[  423.132416] br0: port 2(c2) entered blocking state
[  423.132453] br0: port 2(c2) entered disabled state
[  423.132486] c2: entered allmulticast mode
[  423.132528] c2: entered promiscuous mode
[  423.146111] br0: port 3(c3) entered blocking state
[  423.146176] br0: port 3(c3) entered disabled state
[  423.146244] c3: entered allmulticast mode
[  423.146318] c3: entered promiscuous mode
[  423.160025] br0: port 4(sender) entered blocking state
[  423.160061] br0: port 4(sender) entered disabled state
[  423.160095] sender: entered allmulticast mode
[  423.160144] sender: entered promiscuous mode
[  423.165566] br0: port 4(sender) entered blocking state
[  423.165597] br0: port 4(sender) entered forwarding state
[  423.165629] br0: port 3(c3) entered blocking state
[  423.165666] br0: port 3(c3) entered forwarding state
[  423.165691] br0: port 2(c2) entered blocking state
[  423.165719] br0: port 2(c2) entered forwarding state
[  423.165750] br0: port 1(c1) entered blocking state
[  423.165779] br0: port 1(c1) entered forwarding state
[  423.172069] Bridge firewalling registered
[  433.816708] br0: port 1(c1) entered disabled state
[  433.816896] c1 (unregistering): left allmulticast mode
[  433.816930] c1 (unregistering): left promiscuous mode
[  433.816966] br0: port 1(c1) entered disabled state
[  433.838143] br0: port 2(c2) entered disabled state
[  433.838280] c2 (unregistering): left allmulticast mode
[  433.838307] c2 (unregistering): left promiscuous mode
[  433.838338] br0: port 2(c2) entered disabled state
[  433.859155] br0: port 4(sender) entered disabled state
[  433.859229] br0: port 3(c3) entered disabled state
[  433.859373] sender (unregistering): left allmulticast mode
[  433.859404] sender (unregistering): left promiscuous mode
[  433.859436] br0: port 4(sender) entered disabled state
[  433.859646] c3 (unregistering): left allmulticast mode
[  433.859678] c3 (unregistering): left promiscuous mode
[  433.859708] br0: port 3(c3) entered disabled state