[  746.558288] br0: port 1(c1) entered blocking state
[  746.558358] br0: port 1(c1) entered disabled state
[  746.558410] c1: entered allmulticast mode
[  746.558475] c1: entered promiscuous mode
[  746.614255] br0: port 2(c2) entered blocking state
[  746.614339] br0: port 2(c2) entered disabled state
[  746.614399] c2: entered allmulticast mode
[  746.614486] c2: entered promiscuous mode
[  746.670135] br0: port 3(c3) entered blocking state
[  746.670211] br0: port 3(c3) entered disabled state
[  746.670272] c3: entered allmulticast mode
[  746.670390] c3: entered promiscuous mode
[  746.729859] br0: port 4(sender) entered blocking state
[  746.729925] br0: port 4(sender) entered disabled state
[  746.730008] sender: entered allmulticast mode
[  746.730130] sender: entered promiscuous mode
[  746.751782] br0: port 4(sender) entered blocking state
[  746.751841] br0: port 4(sender) entered forwarding state
[  746.751884] br0: port 3(c3) entered blocking state
[  746.751933] br0: port 3(c3) entered forwarding state
[  746.751968] br0: port 2(c2) entered blocking state
[  746.752003] br0: port 2(c2) entered forwarding state
[  746.752060] br0: port 1(c1) entered blocking state
[  746.752099] br0: port 1(c1) entered forwarding state
[  757.529246] br0: port 1(c1) entered disabled state
[  757.529608] c1 (unregistering): left allmulticast mode
[  757.529678] c1 (unregistering): left promiscuous mode
[  757.529741] br0: port 1(c1) entered disabled state
[  757.578242] br0: port 2(c2) entered disabled state
[  757.578557] c2 (unregistering): left allmulticast mode
[  757.578614] c2 (unregistering): left promiscuous mode
[  757.578655] br0: port 2(c2) entered disabled state
[  757.633240] br0: port 3(c3) entered disabled state
[  757.633560] c3 (unregistering): left allmulticast mode
[  757.633618] c3 (unregistering): left promiscuous mode
[  757.633658] br0: port 3(c3) entered disabled state
[  757.681259] br0: port 4(sender) entered disabled state
[  757.681536] sender (unregistering): left allmulticast mode
[  757.681618] sender (unregistering): left promiscuous mode
[  757.681657] br0: port 4(sender) entered disabled state