[  493.872345] br0: port 1(c1) entered blocking state
[  493.872440] br0: port 1(c1) entered disabled state
[  493.872513] c1: entered allmulticast mode
[  493.872600] c1: entered promiscuous mode
[  493.886967] br0: port 2(c2) entered blocking state
[  493.887056] br0: port 2(c2) entered disabled state
[  493.887127] c2: entered allmulticast mode
[  493.887212] c2: entered promiscuous mode
[  493.901523] br0: port 3(c3) entered blocking state
[  493.901599] br0: port 3(c3) entered disabled state
[  493.901665] c3: entered allmulticast mode
[  493.901742] c3: entered promiscuous mode
[  493.915719] br0: port 4(sender) entered blocking state
[  493.915793] br0: port 4(sender) entered disabled state
[  493.915859] sender: entered allmulticast mode
[  493.915955] sender: entered promiscuous mode
[  493.921429] br0: port 4(sender) entered blocking state
[  493.921469] br0: port 4(sender) entered forwarding state
[  493.921499] br0: port 3(c3) entered blocking state
[  493.921527] br0: port 3(c3) entered forwarding state
[  493.921563] br0: port 2(c2) entered blocking state
[  493.921594] br0: port 2(c2) entered forwarding state
[  493.921620] br0: port 1(c1) entered blocking state
[  493.921650] br0: port 1(c1) entered forwarding state
[  504.545047] br0: port 1(c1) entered disabled state
[  504.545265] c1 (unregistering): left allmulticast mode
[  504.545312] c1 (unregistering): left promiscuous mode
[  504.545347] br0: port 1(c1) entered disabled state
[  504.572050] br0: port 2(c2) entered disabled state
[  504.572282] c2 (unregistering): left allmulticast mode
[  504.572324] c2 (unregistering): left promiscuous mode
[  504.572355] br0: port 2(c2) entered disabled state
[  504.594022] sender: left allmulticast mode
[  504.594097] sender: left promiscuous mode
[  504.594134] br0: port 4(sender) entered disabled state
[  504.594225] c3: left allmulticast mode
[  504.594281] c3: left promiscuous mode
[  504.594319] br0: port 3(c3) entered disabled state