[  676.488860] br0: port 1(c1) entered blocking state
[  676.488924] br0: port 1(c1) entered disabled state
[  676.488985] c1: entered allmulticast mode
[  676.489053] c1: entered promiscuous mode
[  676.541045] br0: port 2(c2) entered blocking state
[  676.541118] br0: port 2(c2) entered disabled state
[  676.541177] c2: entered allmulticast mode
[  676.541249] c2: entered promiscuous mode
[  676.592175] br0: port 3(c3) entered blocking state
[  676.592243] br0: port 3(c3) entered disabled state
[  676.592299] c3: entered allmulticast mode
[  676.592378] c3: entered promiscuous mode
[  676.645689] br0: port 4(sender) entered blocking state
[  676.645744] br0: port 4(sender) entered disabled state
[  676.645798] sender: entered allmulticast mode
[  676.645888] sender: entered promiscuous mode
[  676.665576] br0: port 4(sender) entered blocking state
[  676.665630] br0: port 4(sender) entered forwarding state
[  676.665673] br0: port 3(c3) entered blocking state
[  676.665710] br0: port 3(c3) entered forwarding state
[  676.665746] br0: port 2(c2) entered blocking state
[  676.665790] br0: port 2(c2) entered forwarding state
[  676.665832] br0: port 1(c1) entered blocking state
[  676.665872] br0: port 1(c1) entered forwarding state
[  687.373451] br0: port 1(c1) entered disabled state
[  687.373683] c1 (unregistering): left allmulticast mode
[  687.373739] c1 (unregistering): left promiscuous mode
[  687.373788] br0: port 1(c1) entered disabled state
[  687.403632] br0: port 2(c2) entered disabled state
[  687.403909] c2 (unregistering): left allmulticast mode
[  687.403965] c2 (unregistering): left promiscuous mode
[  687.404009] br0: port 2(c2) entered disabled state
[  687.439508] br0: port 3(c3) entered disabled state
[  687.439783] c3 (unregistering): left allmulticast mode
[  687.439825] c3 (unregistering): left promiscuous mode
[  687.439860] br0: port 3(c3) entered disabled state
[  687.469454] br0: port 4(sender) entered disabled state
[  687.469663] sender (unregistering): left allmulticast mode
[  687.469705] sender (unregistering): left promiscuous mode
[  687.469738] br0: port 4(sender) entered disabled state