[  374.899371] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  374.913003] br0: port 1(c1) entered blocking state
[  374.913086] br0: port 1(c1) entered disabled state
[  374.913133] c1: entered allmulticast mode
[  374.913181] c1: entered promiscuous mode
[  374.925658] br0: port 2(c2) entered blocking state
[  374.925710] br0: port 2(c2) entered disabled state
[  374.925739] c2: entered allmulticast mode
[  374.925778] c2: entered promiscuous mode
[  374.938146] br0: port 3(c3) entered blocking state
[  374.938218] br0: port 3(c3) entered disabled state
[  374.938294] c3: entered allmulticast mode
[  374.938338] c3: entered promiscuous mode
[  374.950728] br0: port 4(sender) entered blocking state
[  374.950817] br0: port 4(sender) entered disabled state
[  374.950865] sender: entered allmulticast mode
[  374.950916] sender: entered promiscuous mode
[  374.955449] br0: port 4(sender) entered blocking state
[  374.955487] br0: port 4(sender) entered forwarding state
[  374.955520] br0: port 3(c3) entered blocking state
[  374.955549] br0: port 3(c3) entered forwarding state
[  374.955573] br0: port 2(c2) entered blocking state
[  374.955601] br0: port 2(c2) entered forwarding state
[  374.955628] br0: port 1(c1) entered blocking state
[  374.955658] br0: port 1(c1) entered forwarding state
[  374.962490] Bridge firewalling registered
[  385.580104] br0: port 1(c1) entered disabled state
[  385.580268] c1 (unregistering): left allmulticast mode
[  385.580299] c1 (unregistering): left promiscuous mode
[  385.580326] br0: port 1(c1) entered disabled state
[  385.595059] br0: port 2(c2) entered disabled state
[  385.595186] c2 (unregistering): left allmulticast mode
[  385.595221] c2 (unregistering): left promiscuous mode
[  385.595251] br0: port 2(c2) entered disabled state
[  385.619054] br0: port 4(sender) entered disabled state
[  385.619126] br0: port 3(c3) entered disabled state
[  385.619239] sender (unregistering): left allmulticast mode
[  385.619273] sender (unregistering): left promiscuous mode
[  385.619298] br0: port 4(sender) entered disabled state
[  385.619486] c3 (unregistering): left allmulticast mode
[  385.619519] c3 (unregistering): left promiscuous mode
[  385.619550] br0: port 3(c3) entered disabled state