[  972.995299][T31553] br0: port 1(c1) entered blocking state
[  972.995478][T31553] br0: port 1(c1) entered disabled state
[  972.995638][T31553] c1: entered allmulticast mode
[  972.997080][T31553] c1: entered promiscuous mode
[  973.130284][T31558] br0: port 2(c2) entered blocking state
[  973.130494][T31558] br0: port 2(c2) entered disabled state
[  973.130707][T31558] c2: entered allmulticast mode
[  973.132853][T31558] c2: entered promiscuous mode
[  973.277831][T31563] br0: port 3(c3) entered blocking state
[  973.278031][T31563] br0: port 3(c3) entered disabled state
[  973.278244][T31563] c3: entered allmulticast mode
[  973.279723][T31563] c3: entered promiscuous mode
[  973.414704][T31568] br0: port 4(sender) entered blocking state
[  973.414905][T31568] br0: port 4(sender) entered disabled state
[  973.415096][T31568] sender: entered allmulticast mode
[  973.416515][T31568] sender: entered promiscuous mode
[  973.467609][T31570] br0: port 4(sender) entered blocking state
[  973.467817][T31570] br0: port 4(sender) entered forwarding state
[  973.468132][T31570] br0: port 3(c3) entered blocking state
[  973.468272][T31570] br0: port 3(c3) entered forwarding state
[  973.468549][T31570] br0: port 2(c2) entered blocking state
[  973.468690][T31570] br0: port 2(c2) entered forwarding state
[  973.468980][T31570] br0: port 1(c1) entered blocking state
[  973.469128][T31570] br0: port 1(c1) entered forwarding state
[  984.563604][   T12] br0: port 1(c1) entered disabled state
[  984.575693][   T12] c1 (unregistering): left allmulticast mode
[  984.575943][   T12] c1 (unregistering): left promiscuous mode
[  984.576182][   T12] br0: port 1(c1) entered disabled state
[  984.708068][   T12] br0: port 2(c2) entered disabled state
[  984.719086][   T12] c2 (unregistering): left allmulticast mode
[  984.719322][   T12] c2 (unregistering): left promiscuous mode
[  984.719551][   T12] br0: port 2(c2) entered disabled state
[  984.846767][   T12] br0: port 3(c3) entered disabled state
[  984.857097][   T12] c3 (unregistering): left allmulticast mode
[  984.857330][   T12] c3 (unregistering): left promiscuous mode
[  984.857561][   T12] br0: port 3(c3) entered disabled state
[  984.968752][   T12] br0: port 4(sender) entered disabled state
[  984.979984][   T12] sender (unregistering): left allmulticast mode
[  984.980226][   T12] sender (unregistering): left promiscuous mode
[  984.980452][   T12] br0: port 4(sender) entered disabled state