[  393.976618] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.989901] br0: port 1(c1) entered blocking state
[  393.989956] br0: port 1(c1) entered disabled state
[  393.989991] c1: entered allmulticast mode
[  393.990037] c1: entered promiscuous mode
[  394.003706] br0: port 2(c2) entered blocking state
[  394.003755] br0: port 2(c2) entered disabled state
[  394.003786] c2: entered allmulticast mode
[  394.003832] c2: entered promiscuous mode
[  394.016901] br0: port 3(c3) entered blocking state
[  394.016939] br0: port 3(c3) entered disabled state
[  394.016981] c3: entered allmulticast mode
[  394.017028] c3: entered promiscuous mode
[  394.030117] br0: port 4(sender) entered blocking state
[  394.030161] br0: port 4(sender) entered disabled state
[  394.030192] sender: entered allmulticast mode
[  394.030246] sender: entered promiscuous mode
[  394.035228] br0: port 4(sender) entered blocking state
[  394.035292] br0: port 4(sender) entered forwarding state
[  394.035356] br0: port 3(c3) entered blocking state
[  394.035418] br0: port 3(c3) entered forwarding state
[  394.035481] br0: port 2(c2) entered blocking state
[  394.035548] br0: port 2(c2) entered forwarding state
[  394.035612] br0: port 1(c1) entered blocking state
[  394.035673] br0: port 1(c1) entered forwarding state
[  394.043021] Bridge firewalling registered
[  404.670029] br0: port 1(c1) entered disabled state
[  404.670226] c1 (unregistering): left allmulticast mode
[  404.670260] c1 (unregistering): left promiscuous mode
[  404.670291] br0: port 1(c1) entered disabled state
[  404.684031] br0: port 2(c2) entered disabled state
[  404.684173] c2 (unregistering): left allmulticast mode
[  404.684206] c2 (unregistering): left promiscuous mode
[  404.684240] br0: port 2(c2) entered disabled state
[  404.697011] br0: port 4(sender) entered disabled state
[  404.697146] br0: port 3(c3) entered disabled state
[  404.697301] sender (unregistering): left allmulticast mode
[  404.697342] sender (unregistering): left promiscuous mode
[  404.697396] br0: port 4(sender) entered disabled state
[  404.697661] c3 (unregistering): left allmulticast mode
[  404.697697] c3 (unregistering): left promiscuous mode
[  404.697726] br0: port 3(c3) entered disabled state