[  571.961480] br0: port 1(c1) entered blocking state
[  571.961541] br0: port 1(c1) entered disabled state
[  571.961594] c1: entered allmulticast mode
[  571.961686] c1: entered promiscuous mode
[  572.031220] br0: port 2(c2) entered blocking state
[  572.031273] br0: port 2(c2) entered disabled state
[  572.031325] c2: entered allmulticast mode
[  572.031389] c2: entered promiscuous mode
[  572.116011] br0: port 3(c3) entered blocking state
[  572.116094] br0: port 3(c3) entered disabled state
[  572.116152] c3: entered allmulticast mode
[  572.116228] c3: entered promiscuous mode
[  572.205292] br0: port 4(sender) entered blocking state
[  572.205362] br0: port 4(sender) entered disabled state
[  572.205427] sender: entered allmulticast mode
[  572.205514] sender: entered promiscuous mode
[  572.245572] br0: port 4(sender) entered blocking state
[  572.245643] br0: port 4(sender) entered forwarding state
[  572.245710] br0: port 3(c3) entered blocking state
[  572.245759] br0: port 3(c3) entered forwarding state
[  572.245801] br0: port 2(c2) entered blocking state
[  572.245844] br0: port 2(c2) entered forwarding state
[  572.245892] br0: port 1(c1) entered blocking state
[  572.245938] br0: port 1(c1) entered forwarding state
[  583.073978] br0: port 1(c1) entered disabled state
[  583.074260] c1 (unregistering): left allmulticast mode
[  583.074308] c1 (unregistering): left promiscuous mode
[  583.074350] br0: port 1(c1) entered disabled state
[  583.135306] br0: port 2(c2) entered disabled state
[  583.135627] c2 (unregistering): left allmulticast mode
[  583.135686] c2 (unregistering): left promiscuous mode
[  583.135738] br0: port 2(c2) entered disabled state
[  583.194019] br0: port 3(c3) entered disabled state
[  583.194312] c3 (unregistering): left allmulticast mode
[  583.194358] c3 (unregistering): left promiscuous mode
[  583.194402] br0: port 3(c3) entered disabled state
[  583.260019] br0: port 4(sender) entered disabled state
[  583.260319] sender (unregistering): left allmulticast mode
[  583.260390] sender (unregistering): left promiscuous mode
[  583.260456] br0: port 4(sender) entered disabled state