[  973.331876][T30297] br0: port 1(c1) entered blocking state
[  973.332166][T30297] br0: port 1(c1) entered disabled state
[  973.333578][T30297] c1: entered allmulticast mode
[  973.336517][T30297] c1: entered promiscuous mode
[  973.499871][T30302] br0: port 2(c2) entered blocking state
[  973.500060][T30302] br0: port 2(c2) entered disabled state
[  973.500256][T30302] c2: entered allmulticast mode
[  973.501714][T30302] c2: entered promiscuous mode
[  973.646214][T30307] br0: port 3(c3) entered blocking state
[  973.646398][T30307] br0: port 3(c3) entered disabled state
[  973.646555][T30307] c3: entered allmulticast mode
[  973.647986][T30307] c3: entered promiscuous mode
[  973.790017][T30312] br0: port 4(sender) entered blocking state
[  973.790684][T30312] br0: port 4(sender) entered disabled state
[  973.790881][T30312] sender: entered allmulticast mode
[  973.792361][T30312] sender: entered promiscuous mode
[  973.838700][T30314] br0: port 4(sender) entered blocking state
[  973.838910][T30314] br0: port 4(sender) entered forwarding state
[  973.839273][T30314] br0: port 3(c3) entered blocking state
[  973.839423][T30314] br0: port 3(c3) entered forwarding state
[  973.839709][T30314] br0: port 2(c2) entered blocking state
[  973.839855][T30314] br0: port 2(c2) entered forwarding state
[  973.840139][T30314] br0: port 1(c1) entered blocking state
[  973.840302][T30314] br0: port 1(c1) entered forwarding state
[  984.917451][   T12] br0: port 1(c1) entered disabled state
[  984.920042][   T12] c1 (unregistering): left allmulticast mode
[  984.920780][   T12] c1 (unregistering): left promiscuous mode
[  984.920961][   T12] br0: port 1(c1) entered disabled state
[  985.049354][   T12] br0: port 2(c2) entered disabled state
[  985.058919][   T12] c2 (unregistering): left allmulticast mode
[  985.059126][   T12] c2 (unregistering): left promiscuous mode
[  985.060374][   T12] br0: port 2(c2) entered disabled state
[  985.172511][   T12] br0: port 3(c3) entered disabled state
[  985.175420][   T12] c3 (unregistering): left allmulticast mode
[  985.175711][   T12] c3 (unregistering): left promiscuous mode
[  985.175884][   T12] br0: port 3(c3) entered disabled state
[  985.325431][   T12] br0: port 4(sender) entered disabled state
[  985.327729][   T12] sender (unregistering): left allmulticast mode
[  985.327927][   T12] sender (unregistering): left promiscuous mode
[  985.328107][   T12] br0: port 4(sender) entered disabled state