[  681.976895] br0: port 1(c1) entered blocking state
[  681.976989] br0: port 1(c1) entered disabled state
[  681.977055] c1: entered allmulticast mode
[  681.977127] c1: entered promiscuous mode
[  682.019334] br0: port 2(c2) entered blocking state
[  682.019395] br0: port 2(c2) entered disabled state
[  682.019441] c2: entered allmulticast mode
[  682.019505] c2: entered promiscuous mode
[  682.062450] br0: port 3(c3) entered blocking state
[  682.062531] br0: port 3(c3) entered disabled state
[  682.062604] c3: entered allmulticast mode
[  682.062678] c3: entered promiscuous mode
[  682.107436] br0: port 4(sender) entered blocking state
[  682.107498] br0: port 4(sender) entered disabled state
[  682.107551] sender: entered allmulticast mode
[  682.107647] sender: entered promiscuous mode
[  682.123934] br0: port 4(sender) entered blocking state
[  682.123990] br0: port 4(sender) entered forwarding state
[  682.124040] br0: port 3(c3) entered blocking state
[  682.124088] br0: port 3(c3) entered forwarding state
[  682.124130] br0: port 2(c2) entered blocking state
[  682.124179] br0: port 2(c2) entered forwarding state
[  682.124218] br0: port 1(c1) entered blocking state
[  682.124255] br0: port 1(c1) entered forwarding state
[  692.838202] br0: port 1(c1) entered disabled state
[  692.838535] c1 (unregistering): left allmulticast mode
[  692.838595] c1 (unregistering): left promiscuous mode
[  692.838639] br0: port 1(c1) entered disabled state
[  692.888179] br0: port 2(c2) entered disabled state
[  692.888535] c2 (unregistering): left allmulticast mode
[  692.888605] c2 (unregistering): left promiscuous mode
[  692.888661] br0: port 2(c2) entered disabled state
[  692.934181] br0: port 3(c3) entered disabled state
[  692.934506] c3 (unregistering): left allmulticast mode
[  692.934578] c3 (unregistering): left promiscuous mode
[  692.934636] br0: port 3(c3) entered disabled state
[  692.982166] br0: port 4(sender) entered disabled state
[  692.982476] sender (unregistering): left allmulticast mode
[  692.982552] sender (unregistering): left promiscuous mode
[  692.982609] br0: port 4(sender) entered disabled state