[  972.813497][T30996] br0: port 1(c1) entered blocking state
[  972.813680][T30996] br0: port 1(c1) entered disabled state
[  972.813849][T30996] c1: entered allmulticast mode
[  972.815285][T30996] c1: entered promiscuous mode
[  972.950130][T31001] br0: port 2(c2) entered blocking state
[  972.950299][T31001] br0: port 2(c2) entered disabled state
[  972.950453][T31001] c2: entered allmulticast mode
[  972.951861][T31001] c2: entered promiscuous mode
[  973.084601][T31006] br0: port 3(c3) entered blocking state
[  973.084763][T31006] br0: port 3(c3) entered disabled state
[  973.084920][T31006] c3: entered allmulticast mode
[  973.086355][T31006] c3: entered promiscuous mode
[  973.234834][T31011] br0: port 4(sender) entered blocking state
[  973.235040][T31011] br0: port 4(sender) entered disabled state
[  973.235239][T31011] sender: entered allmulticast mode
[  973.236660][T31011] sender: entered promiscuous mode
[  973.278525][T31013] br0: port 4(sender) entered blocking state
[  973.278727][T31013] br0: port 4(sender) entered forwarding state
[  973.279057][T31013] br0: port 3(c3) entered blocking state
[  973.279211][T31013] br0: port 3(c3) entered forwarding state
[  973.279488][T31013] br0: port 2(c2) entered blocking state
[  973.279632][T31013] br0: port 2(c2) entered forwarding state
[  973.279914][T31013] br0: port 1(c1) entered blocking state
[  973.280065][T31013] br0: port 1(c1) entered forwarding state
[  984.328594][   T12] br0: port 1(c1) entered disabled state
[  984.341300][   T12] c1 (unregistering): left allmulticast mode
[  984.341584][   T12] c1 (unregistering): left promiscuous mode
[  984.341778][   T12] br0: port 1(c1) entered disabled state
[  984.466346][   T12] br0: port 2(c2) entered disabled state
[  984.477981][   T12] c2 (unregistering): left allmulticast mode
[  984.478280][   T12] c2 (unregistering): left promiscuous mode
[  984.478581][   T12] br0: port 2(c2) entered disabled state
[  984.634271][   T12] br0: port 3(c3) entered disabled state
[  984.646267][   T12] c3 (unregistering): left allmulticast mode
[  984.646465][   T12] c3 (unregistering): left promiscuous mode
[  984.646648][   T12] br0: port 3(c3) entered disabled state
[  984.771564][   T12] br0: port 4(sender) entered disabled state
[  984.788380][   T12] sender (unregistering): left allmulticast mode
[  984.788581][   T12] sender (unregistering): left promiscuous mode
[  984.788755][   T12] br0: port 4(sender) entered disabled state