[  972.966620][T31132] br0: port 1(c1) entered blocking state
[  972.966864][T31132] br0: port 1(c1) entered disabled state
[  972.967122][T31132] c1: entered allmulticast mode
[  972.968694][T31132] c1: entered promiscuous mode
[  973.127717][T31137] br0: port 2(c2) entered blocking state
[  973.127925][T31137] br0: port 2(c2) entered disabled state
[  973.128167][T31137] c2: entered allmulticast mode
[  973.129711][T31137] c2: entered promiscuous mode
[  973.290868][T31142] br0: port 3(c3) entered blocking state
[  973.291708][T31142] br0: port 3(c3) entered disabled state
[  973.291927][T31142] c3: entered allmulticast mode
[  973.293501][T31142] c3: entered promiscuous mode
[  973.465775][T31147] br0: port 4(sender) entered blocking state
[  973.466022][T31147] br0: port 4(sender) entered disabled state
[  973.466234][T31147] sender: entered allmulticast mode
[  973.467748][T31147] sender: entered promiscuous mode
[  973.518596][T31149] br0: port 4(sender) entered blocking state
[  973.518868][T31149] br0: port 4(sender) entered forwarding state
[  973.519725][T31149] br0: port 3(c3) entered blocking state
[  973.519922][T31149] br0: port 3(c3) entered forwarding state
[  973.520313][T31149] br0: port 2(c2) entered blocking state
[  973.520512][T31149] br0: port 2(c2) entered forwarding state
[  973.520878][T31149] br0: port 1(c1) entered blocking state
[  973.521092][T31149] br0: port 1(c1) entered forwarding state
[  984.708237][   T12] br0: port 1(c1) entered disabled state
[  984.719770][   T12] c1 (unregistering): left allmulticast mode
[  984.719988][   T12] c1 (unregistering): left promiscuous mode
[  984.720203][   T12] br0: port 1(c1) entered disabled state
[  984.892183][   T12] br0: port 2(c2) entered disabled state
[  984.901820][   T12] c2 (unregistering): left allmulticast mode
[  984.902365][   T12] c2 (unregistering): left promiscuous mode
[  984.902654][   T12] br0: port 2(c2) entered disabled state
[  985.051588][   T12] br0: port 3(c3) entered disabled state
[  985.061070][   T12] c3 (unregistering): left allmulticast mode
[  985.061301][   T12] c3 (unregistering): left promiscuous mode
[  985.061488][   T12] br0: port 3(c3) entered disabled state
[  985.210950][   T12] br0: port 4(sender) entered disabled state
[  985.223203][   T12] sender (unregistering): left allmulticast mode
[  985.223508][   T12] sender (unregistering): left promiscuous mode
[  985.223803][   T12] br0: port 4(sender) entered disabled state