[  921.900788][T31015] br0: port 1(c1) entered blocking state
[  921.900978][T31015] br0: port 1(c1) entered disabled state
[  921.901925][T31015] c1: entered allmulticast mode
[  921.903406][T31015] c1: entered promiscuous mode
[  922.050108][T31020] br0: port 2(c2) entered blocking state
[  922.050272][T31020] br0: port 2(c2) entered disabled state
[  922.050435][T31020] c2: entered allmulticast mode
[  922.051907][T31020] c2: entered promiscuous mode
[  922.190308][T31025] br0: port 3(c3) entered blocking state
[  922.190520][T31025] br0: port 3(c3) entered disabled state
[  922.190681][T31025] c3: entered allmulticast mode
[  922.192142][T31025] c3: entered promiscuous mode
[  922.348962][T31030] br0: port 4(sender) entered blocking state
[  922.349206][T31030] br0: port 4(sender) entered disabled state
[  922.349425][T31030] sender: entered allmulticast mode
[  922.350980][T31030] sender: entered promiscuous mode
[  922.396984][T31032] br0: port 4(sender) entered blocking state
[  922.397266][T31032] br0: port 4(sender) entered forwarding state
[  922.397674][T31032] br0: port 3(c3) entered blocking state
[  922.397867][T31032] br0: port 3(c3) entered forwarding state
[  922.398240][T31032] br0: port 2(c2) entered blocking state
[  922.398438][T31032] br0: port 2(c2) entered forwarding state
[  922.398811][T31032] br0: port 1(c1) entered blocking state
[  922.399024][T31032] br0: port 1(c1) entered forwarding state
[  933.500266][   T12] br0: port 1(c1) entered disabled state
[  933.504365][   T12] c1 (unregistering): left allmulticast mode
[  933.504876][   T12] c1 (unregistering): left promiscuous mode
[  933.505097][   T12] br0: port 1(c1) entered disabled state
[  933.641789][   T12] br0: port 2(c2) entered disabled state
[  933.644730][   T12] c2 (unregistering): left allmulticast mode
[  933.644919][   T12] c2 (unregistering): left promiscuous mode
[  933.645103][   T12] br0: port 2(c2) entered disabled state
[  933.759209][   T12] br0: port 3(c3) entered disabled state
[  933.761514][   T12] c3 (unregistering): left allmulticast mode
[  933.761702][   T12] c3 (unregistering): left promiscuous mode
[  933.761981][   T12] br0: port 3(c3) entered disabled state
[  933.891450][   T12] br0: port 4(sender) entered disabled state
[  933.893579][   T12] sender (unregistering): left allmulticast mode
[  933.893767][   T12] sender (unregistering): left promiscuous mode
[  933.893942][   T12] br0: port 4(sender) entered disabled state