[  977.345707][T31879] br0: port 1(c1) entered blocking state
[  977.345889][T31879] br0: port 1(c1) entered disabled state
[  977.346045][T31879] c1: entered allmulticast mode
[  977.347442][T31879] c1: entered promiscuous mode
[  977.511916][T31884] br0: port 2(c2) entered blocking state
[  977.512132][T31884] br0: port 2(c2) entered disabled state
[  977.512352][T31884] c2: entered allmulticast mode
[  977.513972][T31884] c2: entered promiscuous mode
[  977.682794][T31889] br0: port 3(c3) entered blocking state
[  977.682974][T31889] br0: port 3(c3) entered disabled state
[  977.683137][T31889] c3: entered allmulticast mode
[  977.684622][T31889] c3: entered promiscuous mode
[  977.837489][T31894] br0: port 4(sender) entered blocking state
[  977.837701][T31894] br0: port 4(sender) entered disabled state
[  977.837889][T31894] sender: entered allmulticast mode
[  977.839287][T31894] sender: entered promiscuous mode
[  977.889597][T31896] br0: port 4(sender) entered blocking state
[  977.889796][T31896] br0: port 4(sender) entered forwarding state
[  977.890108][T31896] br0: port 3(c3) entered blocking state
[  977.890245][T31896] br0: port 3(c3) entered forwarding state
[  977.890514][T31896] br0: port 2(c2) entered blocking state
[  977.890656][T31896] br0: port 2(c2) entered forwarding state
[  977.890931][T31896] br0: port 1(c1) entered blocking state
[  977.891072][T31896] br0: port 1(c1) entered forwarding state
[  988.898279][   T12] br0: port 1(c1) entered disabled state
[  988.902521][   T12] c1 (unregistering): left allmulticast mode
[  988.902718][   T12] c1 (unregistering): left promiscuous mode
[  988.903855][   T12] br0: port 1(c1) entered disabled state
[  989.025754][   T12] br0: port 2(c2) entered disabled state
[  989.028203][   T12] c2 (unregistering): left allmulticast mode
[  989.028387][   T12] c2 (unregistering): left promiscuous mode
[  989.028669][   T12] br0: port 2(c2) entered disabled state
[  989.139247][   T12] br0: port 3(c3) entered disabled state
[  989.142840][   T12] c3 (unregistering): left allmulticast mode
[  989.143034][   T12] c3 (unregistering): left promiscuous mode
[  989.143206][   T12] br0: port 3(c3) entered disabled state
[  989.263496][   T12] br0: port 4(sender) entered disabled state
[  989.265888][   T12] sender (unregistering): left allmulticast mode
[  989.266078][   T12] sender (unregistering): left promiscuous mode
[  989.266243][   T12] br0: port 4(sender) entered disabled state