[  976.126552][T30848] br0: port 1(c1) entered blocking state
[  976.126813][T30848] br0: port 1(c1) entered disabled state
[  976.127065][T30848] c1: entered allmulticast mode
[  976.129419][T30848] c1: entered promiscuous mode
[  976.317516][T30853] br0: port 2(c2) entered blocking state
[  976.317684][T30853] br0: port 2(c2) entered disabled state
[  976.317842][T30853] c2: entered allmulticast mode
[  976.319281][T30853] c2: entered promiscuous mode
[  976.471623][T30858] br0: port 3(c3) entered blocking state
[  976.472719][T30858] br0: port 3(c3) entered disabled state
[  976.473642][T30858] c3: entered allmulticast mode
[  976.475279][T30858] c3: entered promiscuous mode
[  976.655366][T30863] br0: port 4(sender) entered blocking state
[  976.655582][T30863] br0: port 4(sender) entered disabled state
[  976.655850][T30863] sender: entered allmulticast mode
[  976.658432][T30863] sender: entered promiscuous mode
[  976.716111][T30865] br0: port 4(sender) entered blocking state
[  976.716362][T30865] br0: port 4(sender) entered forwarding state
[  976.716766][T30865] br0: port 3(c3) entered blocking state
[  976.716955][T30865] br0: port 3(c3) entered forwarding state
[  976.717294][T30865] br0: port 2(c2) entered blocking state
[  976.717477][T30865] br0: port 2(c2) entered forwarding state
[  976.717822][T30865] br0: port 1(c1) entered blocking state
[  976.718009][T30865] br0: port 1(c1) entered forwarding state
[  987.805655][   T12] br0: port 1(c1) entered disabled state
[  987.810593][   T12] c1 (unregistering): left allmulticast mode
[  987.810862][   T12] c1 (unregistering): left promiscuous mode
[  987.811101][   T12] br0: port 1(c1) entered disabled state
[  987.933916][   T12] br0: port 2(c2) entered disabled state
[  987.938943][   T12] c2 (unregistering): left allmulticast mode
[  987.939229][   T12] c2 (unregistering): left promiscuous mode
[  987.939488][   T12] br0: port 2(c2) entered disabled state
[  988.070152][   T12] br0: port 3(c3) entered disabled state
[  988.079039][   T12] c3 (unregistering): left allmulticast mode
[  988.079222][   T12] c3 (unregistering): left promiscuous mode
[  988.079384][   T12] br0: port 3(c3) entered disabled state
[  988.209820][   T12] br0: port 4(sender) entered disabled state
[  988.213130][   T12] sender (unregistering): left allmulticast mode
[  988.213361][   T12] sender (unregistering): left promiscuous mode
[  988.213538][   T12] br0: port 4(sender) entered disabled state