[  391.287488] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  391.302278] br0: port 1(c1) entered blocking state
[  391.302320] br0: port 1(c1) entered disabled state
[  391.302351] c1: entered allmulticast mode
[  391.302394] c1: entered promiscuous mode
[  391.315651] br0: port 2(c2) entered blocking state
[  391.315699] br0: port 2(c2) entered disabled state
[  391.315741] c2: entered allmulticast mode
[  391.315784] c2: entered promiscuous mode
[  391.328709] br0: port 3(c3) entered blocking state
[  391.328782] br0: port 3(c3) entered disabled state
[  391.328851] c3: entered allmulticast mode
[  391.328973] c3: entered promiscuous mode
[  391.342175] br0: port 4(sender) entered blocking state
[  391.342219] br0: port 4(sender) entered disabled state
[  391.342251] sender: entered allmulticast mode
[  391.342296] sender: entered promiscuous mode
[  391.347254] br0: port 4(sender) entered blocking state
[  391.347293] br0: port 4(sender) entered forwarding state
[  391.347322] br0: port 3(c3) entered blocking state
[  391.347350] br0: port 3(c3) entered forwarding state
[  391.347381] br0: port 2(c2) entered blocking state
[  391.347408] br0: port 2(c2) entered forwarding state
[  391.347434] br0: port 1(c1) entered blocking state
[  391.347461] br0: port 1(c1) entered forwarding state
[  391.354506] Bridge firewalling registered
[  401.976043] br0: port 1(c1) entered disabled state
[  401.976270] c1 (unregistering): left allmulticast mode
[  401.976304] c1 (unregistering): left promiscuous mode
[  401.976329] br0: port 1(c1) entered disabled state
[  402.001965] br0: port 2(c2) entered disabled state
[  402.002135] c2 (unregistering): left allmulticast mode
[  402.002171] c2 (unregistering): left promiscuous mode
[  402.002202] br0: port 2(c2) entered disabled state
[  402.030962] br0: port 4(sender) entered disabled state
[  402.031072] br0: port 3(c3) entered disabled state
[  402.031287] sender (unregistering): left allmulticast mode
[  402.031320] sender (unregistering): left promiscuous mode
[  402.031349] br0: port 4(sender) entered disabled state
[  402.031525] c3 (unregistering): left allmulticast mode
[  402.031570] c3 (unregistering): left promiscuous mode
[  402.031613] br0: port 3(c3) entered disabled state