[  973.320516][T31037] br0: port 1(c1) entered blocking state
[  973.320720][T31037] br0: port 1(c1) entered disabled state
[  973.320885][T31037] c1: entered allmulticast mode
[  973.322364][T31037] c1: entered promiscuous mode
[  973.464424][T31042] br0: port 2(c2) entered blocking state
[  973.464605][T31042] br0: port 2(c2) entered disabled state
[  973.464777][T31042] c2: entered allmulticast mode
[  973.466263][T31042] c2: entered promiscuous mode
[  973.612068][T31047] br0: port 3(c3) entered blocking state
[  973.612246][T31047] br0: port 3(c3) entered disabled state
[  973.612413][T31047] c3: entered allmulticast mode
[  973.614478][T31047] c3: entered promiscuous mode
[  973.755575][T31052] br0: port 4(sender) entered blocking state
[  973.756529][T31052] br0: port 4(sender) entered disabled state
[  973.756741][T31052] sender: entered allmulticast mode
[  973.758188][T31052] sender: entered promiscuous mode
[  973.817347][T31054] br0: port 4(sender) entered blocking state
[  973.817594][T31054] br0: port 4(sender) entered forwarding state
[  973.817988][T31054] br0: port 3(c3) entered blocking state
[  973.818182][T31054] br0: port 3(c3) entered forwarding state
[  973.818517][T31054] br0: port 2(c2) entered blocking state
[  973.818722][T31054] br0: port 2(c2) entered forwarding state
[  973.819089][T31054] br0: port 1(c1) entered blocking state
[  973.819289][T31054] br0: port 1(c1) entered forwarding state
[  984.887030][   T12] br0: port 1(c1) entered disabled state
[  984.897875][   T12] c1 (unregistering): left allmulticast mode
[  984.898116][   T12] c1 (unregistering): left promiscuous mode
[  984.898366][   T12] br0: port 1(c1) entered disabled state
[  985.032295][   T12] br0: port 2(c2) entered disabled state
[  985.044463][   T12] c2 (unregistering): left allmulticast mode
[  985.044734][   T12] c2 (unregistering): left promiscuous mode
[  985.044962][   T12] br0: port 2(c2) entered disabled state
[  985.164883][   T12] br0: port 3(c3) entered disabled state
[  985.176729][   T12] c3 (unregistering): left allmulticast mode
[  985.176976][   T12] c3 (unregistering): left promiscuous mode
[  985.177218][   T12] br0: port 3(c3) entered disabled state
[  985.287906][   T12] br0: port 4(sender) entered disabled state
[  985.298550][   T12] sender (unregistering): left allmulticast mode
[  985.298802][   T12] sender (unregistering): left promiscuous mode
[  985.299029][   T12] br0: port 4(sender) entered disabled state