[  977.644619][T31919] br0: port 1(c1) entered blocking state
[  977.644791][T31919] br0: port 1(c1) entered disabled state
[  977.644948][T31919] c1: entered allmulticast mode
[  977.647013][T31919] c1: entered promiscuous mode
[  977.826023][T31924] br0: port 2(c2) entered blocking state
[  977.826203][T31924] br0: port 2(c2) entered disabled state
[  977.826365][T31924] c2: entered allmulticast mode
[  977.827801][T31924] c2: entered promiscuous mode
[  978.010763][T31929] br0: port 3(c3) entered blocking state
[  978.010981][T31929] br0: port 3(c3) entered disabled state
[  978.011204][T31929] c3: entered allmulticast mode
[  978.012695][T31929] c3: entered promiscuous mode
[  978.169678][T31934] br0: port 4(sender) entered blocking state
[  978.169880][T31934] br0: port 4(sender) entered disabled state
[  978.170066][T31934] sender: entered allmulticast mode
[  978.171511][T31934] sender: entered promiscuous mode
[  978.237127][T31936] br0: port 4(sender) entered blocking state
[  978.237345][T31936] br0: port 4(sender) entered forwarding state
[  978.237662][T31936] br0: port 3(c3) entered blocking state
[  978.237794][T31936] br0: port 3(c3) entered forwarding state
[  978.238059][T31936] br0: port 2(c2) entered blocking state
[  978.238200][T31936] br0: port 2(c2) entered forwarding state
[  978.238472][T31936] br0: port 1(c1) entered blocking state
[  978.238608][T31936] br0: port 1(c1) entered forwarding state
[  989.263671][   T12] br0: port 1(c1) entered disabled state
[  989.267041][   T12] c1 (unregistering): left allmulticast mode
[  989.267241][   T12] c1 (unregistering): left promiscuous mode
[  989.267414][   T12] br0: port 1(c1) entered disabled state
[  989.397521][   T12] br0: port 2(c2) entered disabled state
[  989.402491][   T12] c2 (unregistering): left allmulticast mode
[  989.402820][   T12] c2 (unregistering): left promiscuous mode
[  989.403127][   T12] br0: port 2(c2) entered disabled state
[  989.533901][   T12] br0: port 3(c3) entered disabled state
[  989.549707][   T12] c3 (unregistering): left allmulticast mode
[  989.550085][   T12] c3 (unregistering): left promiscuous mode
[  989.550426][   T12] br0: port 3(c3) entered disabled state
[  989.654857][   T12] br0: port 4(sender) entered disabled state
[  989.660460][   T12] sender (unregistering): left allmulticast mode
[  989.660802][   T12] sender (unregistering): left promiscuous mode
[  989.661110][   T12] br0: port 4(sender) entered disabled state