[  747.192054] br0: port 1(c1) entered blocking state
[  747.192152] br0: port 1(c1) entered disabled state
[  747.192232] c1: entered allmulticast mode
[  747.192346] c1: entered promiscuous mode
[  747.248576] br0: port 2(c2) entered blocking state
[  747.248658] br0: port 2(c2) entered disabled state
[  747.248718] c2: entered allmulticast mode
[  747.248813] c2: entered promiscuous mode
[  747.307002] br0: port 3(c3) entered blocking state
[  747.307130] br0: port 3(c3) entered disabled state
[  747.307226] c3: entered allmulticast mode
[  747.307321] c3: entered promiscuous mode
[  747.365485] br0: port 4(sender) entered blocking state
[  747.365557] br0: port 4(sender) entered disabled state
[  747.365645] sender: entered allmulticast mode
[  747.365764] sender: entered promiscuous mode
[  747.390514] br0: port 4(sender) entered blocking state
[  747.390605] br0: port 4(sender) entered forwarding state
[  747.390666] br0: port 3(c3) entered blocking state
[  747.390715] br0: port 3(c3) entered forwarding state
[  747.390760] br0: port 2(c2) entered blocking state
[  747.390832] br0: port 2(c2) entered forwarding state
[  747.390893] br0: port 1(c1) entered blocking state
[  747.390947] br0: port 1(c1) entered forwarding state
[  758.152046] br0: port 1(c1) entered disabled state
[  758.152358] c1 (unregistering): left allmulticast mode
[  758.152420] c1 (unregistering): left promiscuous mode
[  758.152458] br0: port 1(c1) entered disabled state
[  758.203073] br0: port 2(c2) entered disabled state
[  758.203374] c2 (unregistering): left allmulticast mode
[  758.203433] c2 (unregistering): left promiscuous mode
[  758.203476] br0: port 2(c2) entered disabled state
[  758.244038] br0: port 3(c3) entered disabled state
[  758.244361] c3 (unregistering): left allmulticast mode
[  758.244444] c3 (unregistering): left promiscuous mode
[  758.244507] br0: port 3(c3) entered disabled state
[  758.287060] br0: port 4(sender) entered disabled state
[  758.287357] sender (unregistering): left allmulticast mode
[  758.287407] sender (unregistering): left promiscuous mode
[  758.287454] br0: port 4(sender) entered disabled state