[  433.259538] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  433.274717] br0: port 1(c1) entered blocking state
[  433.274794] br0: port 1(c1) entered disabled state
[  433.274861] c1: entered allmulticast mode
[  433.274942] c1: entered promiscuous mode
[  433.289334] br0: port 2(c2) entered blocking state
[  433.289375] br0: port 2(c2) entered disabled state
[  433.289415] c2: entered allmulticast mode
[  433.289459] c2: entered promiscuous mode
[  433.303792] br0: port 3(c3) entered blocking state
[  433.303837] br0: port 3(c3) entered disabled state
[  433.303873] c3: entered allmulticast mode
[  433.303913] c3: entered promiscuous mode
[  433.318106] br0: port 4(sender) entered blocking state
[  433.318137] br0: port 4(sender) entered disabled state
[  433.318171] sender: entered allmulticast mode
[  433.318224] sender: entered promiscuous mode
[  433.323768] br0: port 4(sender) entered blocking state
[  433.323835] br0: port 4(sender) entered forwarding state
[  433.323906] br0: port 3(c3) entered blocking state
[  433.323969] br0: port 3(c3) entered forwarding state
[  433.324033] br0: port 2(c2) entered blocking state
[  433.324097] br0: port 2(c2) entered forwarding state
[  433.324163] br0: port 1(c1) entered blocking state
[  433.324226] br0: port 1(c1) entered forwarding state
[  433.330789] Bridge firewalling registered
[  443.947568] br0: port 1(c1) entered disabled state
[  443.947782] c1 (unregistering): left allmulticast mode
[  443.947819] c1 (unregistering): left promiscuous mode
[  443.947852] br0: port 1(c1) entered disabled state
[  443.969836] br0: port 2(c2) entered disabled state
[  443.970015] c2 (unregistering): left allmulticast mode
[  443.970048] c2 (unregistering): left promiscuous mode
[  443.970082] br0: port 2(c2) entered disabled state
[  443.990795] br0: port 4(sender) entered disabled state
[  443.990874] br0: port 3(c3) entered disabled state
[  443.991029] sender (unregistering): left allmulticast mode
[  443.991061] sender (unregistering): left promiscuous mode
[  443.991091] br0: port 4(sender) entered disabled state
[  443.991318] c3 (unregistering): left allmulticast mode
[  443.991347] c3 (unregistering): left promiscuous mode
[  443.991379] br0: port 3(c3) entered disabled state