[  374.648111] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  374.663082] br0: port 1(c1) entered blocking state
[  374.663127] br0: port 1(c1) entered disabled state
[  374.663158] c1: entered allmulticast mode
[  374.663201] c1: entered promiscuous mode
[  374.675995] br0: port 2(c2) entered blocking state
[  374.676038] br0: port 2(c2) entered disabled state
[  374.676069] c2: entered allmulticast mode
[  374.676110] c2: entered promiscuous mode
[  374.689115] br0: port 3(c3) entered blocking state
[  374.689154] br0: port 3(c3) entered disabled state
[  374.689196] c3: entered allmulticast mode
[  374.689236] c3: entered promiscuous mode
[  374.703334] br0: port 4(sender) entered blocking state
[  374.703383] br0: port 4(sender) entered disabled state
[  374.703418] sender: entered allmulticast mode
[  374.703479] sender: entered promiscuous mode
[  374.708946] br0: port 4(sender) entered blocking state
[  374.708985] br0: port 4(sender) entered forwarding state
[  374.709016] br0: port 3(c3) entered blocking state
[  374.709046] br0: port 3(c3) entered forwarding state
[  374.709077] br0: port 2(c2) entered blocking state
[  374.709104] br0: port 2(c2) entered forwarding state
[  374.709137] br0: port 1(c1) entered blocking state
[  374.709162] br0: port 1(c1) entered forwarding state
[  374.716740] Bridge firewalling registered
[  385.347702] br0: port 1(c1) entered disabled state
[  385.347947] c1 (unregistering): left allmulticast mode
[  385.348013] c1 (unregistering): left promiscuous mode
[  385.348071] br0: port 1(c1) entered disabled state
[  385.370679] br0: port 2(c2) entered disabled state
[  385.370859] c2 (unregistering): left allmulticast mode
[  385.370925] c2 (unregistering): left promiscuous mode
[  385.370983] br0: port 2(c2) entered disabled state
[  385.392680] br0: port 4(sender) entered disabled state
[  385.392793] br0: port 3(c3) entered disabled state
[  385.392980] sender (unregistering): left allmulticast mode
[  385.393077] sender (unregistering): left promiscuous mode
[  385.393139] br0: port 4(sender) entered disabled state
[  385.393450] c3 (unregistering): left allmulticast mode
[  385.393517] c3 (unregistering): left promiscuous mode
[  385.393582] br0: port 3(c3) entered disabled state