[  637.999224] br0: port 1(c1) entered blocking state
[  637.999274] br0: port 1(c1) entered disabled state
[  637.999322] c1: entered allmulticast mode
[  637.999389] c1: entered promiscuous mode
[  638.067005] br0: port 2(c2) entered blocking state
[  638.067055] br0: port 2(c2) entered disabled state
[  638.067100] c2: entered allmulticast mode
[  638.067157] c2: entered promiscuous mode
[  638.138682] br0: port 3(c3) entered blocking state
[  638.138733] br0: port 3(c3) entered disabled state
[  638.138782] c3: entered allmulticast mode
[  638.138853] c3: entered promiscuous mode
[  638.210390] br0: port 4(sender) entered blocking state
[  638.210464] br0: port 4(sender) entered disabled state
[  638.210528] sender: entered allmulticast mode
[  638.210619] sender: entered promiscuous mode
[  638.241163] br0: port 4(sender) entered blocking state
[  638.241221] br0: port 4(sender) entered forwarding state
[  638.241269] br0: port 3(c3) entered blocking state
[  638.241310] br0: port 3(c3) entered forwarding state
[  638.241353] br0: port 2(c2) entered blocking state
[  638.241397] br0: port 2(c2) entered forwarding state
[  638.241439] br0: port 1(c1) entered blocking state
[  638.241478] br0: port 1(c1) entered forwarding state
[  649.029133] br0: port 1(c1) entered disabled state
[  649.029424] c1 (unregistering): left allmulticast mode
[  649.029477] c1 (unregistering): left promiscuous mode
[  649.029533] br0: port 1(c1) entered disabled state
[  649.087083] br0: port 2(c2) entered disabled state
[  649.087382] c2 (unregistering): left allmulticast mode
[  649.087447] c2 (unregistering): left promiscuous mode
[  649.087514] br0: port 2(c2) entered disabled state
[  649.150072] br0: port 3(c3) entered disabled state
[  649.150350] c3 (unregistering): left allmulticast mode
[  649.150386] c3 (unregistering): left promiscuous mode
[  649.150425] br0: port 3(c3) entered disabled state
[  649.192076] br0: port 4(sender) entered disabled state
[  649.192669] sender (unregistering): left allmulticast mode
[  649.192713] sender (unregistering): left promiscuous mode
[  649.192748] br0: port 4(sender) entered disabled state