[  500.956793] br0: port 1(c1) entered blocking state
[  500.956888] br0: port 1(c1) entered disabled state
[  500.956961] c1: entered allmulticast mode
[  500.957046] c1: entered promiscuous mode
[  500.975187] br0: port 2(c2) entered blocking state
[  500.975229] br0: port 2(c2) entered disabled state
[  500.975267] c2: entered allmulticast mode
[  500.975318] c2: entered promiscuous mode
[  500.993352] br0: port 3(c3) entered blocking state
[  500.993427] br0: port 3(c3) entered disabled state
[  500.993497] c3: entered allmulticast mode
[  500.993580] c3: entered promiscuous mode
[  501.011776] br0: port 4(sender) entered blocking state
[  501.011851] br0: port 4(sender) entered disabled state
[  501.011924] sender: entered allmulticast mode
[  501.012014] sender: entered promiscuous mode
[  501.019200] br0: port 4(sender) entered blocking state
[  501.019268] br0: port 4(sender) entered forwarding state
[  501.019348] br0: port 3(c3) entered blocking state
[  501.019420] br0: port 3(c3) entered forwarding state
[  501.019489] br0: port 2(c2) entered blocking state
[  501.019560] br0: port 2(c2) entered forwarding state
[  501.019638] br0: port 1(c1) entered blocking state
[  501.019704] br0: port 1(c1) entered forwarding state
[  501.028502] Bridge firewalling registered
[  511.694884] br0: port 1(c1) entered disabled state
[  511.695078] c1 (unregistering): left allmulticast mode
[  511.695108] c1 (unregistering): left promiscuous mode
[  511.695134] br0: port 1(c1) entered disabled state
[  511.713479] br0: port 2(c2) entered disabled state
[  511.713721] c2 (unregistering): left allmulticast mode
[  511.713791] c2 (unregistering): left promiscuous mode
[  511.713863] br0: port 2(c2) entered disabled state
[  511.730438] br0: port 3(c3) entered disabled state
[  511.730844] c3 (unregistering): left allmulticast mode
[  511.730913] c3 (unregistering): left promiscuous mode
[  511.730979] br0: port 3(c3) entered disabled state
[  511.747527] br0: port 4(sender) entered disabled state
[  511.747720] sender (unregistering): left allmulticast mode
[  511.747793] sender (unregistering): left promiscuous mode
[  511.747881] br0: port 4(sender) entered disabled state