[  721.978790] br0: port 1(c1) entered blocking state
[  721.978900] br0: port 1(c1) entered disabled state
[  721.978976] c1: entered allmulticast mode
[  721.979061] c1: entered promiscuous mode
[  722.026345] br0: port 2(c2) entered blocking state
[  722.026405] br0: port 2(c2) entered disabled state
[  722.026473] c2: entered allmulticast mode
[  722.026542] c2: entered promiscuous mode
[  722.070845] br0: port 3(c3) entered blocking state
[  722.070943] br0: port 3(c3) entered disabled state
[  722.071004] c3: entered allmulticast mode
[  722.071074] c3: entered promiscuous mode
[  722.119164] br0: port 4(sender) entered blocking state
[  722.119242] br0: port 4(sender) entered disabled state
[  722.119304] sender: entered allmulticast mode
[  722.119407] sender: entered promiscuous mode
[  722.139526] br0: port 4(sender) entered blocking state
[  722.139601] br0: port 4(sender) entered forwarding state
[  722.139657] br0: port 3(c3) entered blocking state
[  722.139710] br0: port 3(c3) entered forwarding state
[  722.139762] br0: port 2(c2) entered blocking state
[  722.139813] br0: port 2(c2) entered forwarding state
[  722.139873] br0: port 1(c1) entered blocking state
[  722.139929] br0: port 1(c1) entered forwarding state
[  732.854109] br0: port 1(c1) entered disabled state
[  732.854646] c1 (unregistering): left allmulticast mode
[  732.854722] c1 (unregistering): left promiscuous mode
[  732.854780] br0: port 1(c1) entered disabled state
[  732.901141] br0: port 2(c2) entered disabled state
[  732.901511] c2 (unregistering): left allmulticast mode
[  732.901608] c2 (unregistering): left promiscuous mode
[  732.901676] br0: port 2(c2) entered disabled state
[  732.948070] br0: port 3(c3) entered disabled state
[  732.948414] c3 (unregistering): left allmulticast mode
[  732.948480] c3 (unregistering): left promiscuous mode
[  732.948572] br0: port 3(c3) entered disabled state
[  732.991032] br0: port 4(sender) entered disabled state
[  732.991375] sender (unregistering): left allmulticast mode
[  732.991435] sender (unregistering): left promiscuous mode
[  732.991472] br0: port 4(sender) entered disabled state