[  393.485124] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  393.497922] br0: port 1(c1) entered blocking state
[  393.497959] br0: port 1(c1) entered disabled state
[  393.497992] c1: entered allmulticast mode
[  393.498035] c1: entered promiscuous mode
[  393.510672] br0: port 2(c2) entered blocking state
[  393.510709] br0: port 2(c2) entered disabled state
[  393.510741] c2: entered allmulticast mode
[  393.510783] c2: entered promiscuous mode
[  393.522880] br0: port 3(c3) entered blocking state
[  393.522924] br0: port 3(c3) entered disabled state
[  393.522959] c3: entered allmulticast mode
[  393.523000] c3: entered promiscuous mode
[  393.535202] br0: port 4(sender) entered blocking state
[  393.535239] br0: port 4(sender) entered disabled state
[  393.535277] sender: entered allmulticast mode
[  393.535325] sender: entered promiscuous mode
[  393.540040] br0: port 4(sender) entered blocking state
[  393.540077] br0: port 4(sender) entered forwarding state
[  393.540108] br0: port 3(c3) entered blocking state
[  393.540140] br0: port 3(c3) entered forwarding state
[  393.540167] br0: port 2(c2) entered blocking state
[  393.540201] br0: port 2(c2) entered forwarding state
[  393.540231] br0: port 1(c1) entered blocking state
[  393.540260] br0: port 1(c1) entered forwarding state
[  393.547098] Bridge firewalling registered
[  404.217994] br0: port 1(c1) entered disabled state
[  404.218225] c1 (unregistering): left allmulticast mode
[  404.218261] c1 (unregistering): left promiscuous mode
[  404.218288] br0: port 1(c1) entered disabled state
[  404.244994] br0: port 3(c3) entered disabled state
[  404.245072] br0: port 2(c2) entered disabled state
[  404.245199] c3 (unregistering): left allmulticast mode
[  404.245233] c3 (unregistering): left promiscuous mode
[  404.245259] br0: port 3(c3) entered disabled state
[  404.245474] c2 (unregistering): left allmulticast mode
[  404.245508] c2 (unregistering): left promiscuous mode
[  404.245535] br0: port 2(c2) entered disabled state
[  404.261994] sender: left allmulticast mode
[  404.262032] sender: left promiscuous mode
[  404.262065] br0: port 4(sender) entered disabled state