[  970.441648][T30938] br0: port 1(c1) entered blocking state
[  970.441849][T30938] br0: port 1(c1) entered disabled state
[  970.442026][T30938] c1: entered allmulticast mode
[  970.443529][T30938] c1: entered promiscuous mode
[  970.613693][T30943] br0: port 2(c2) entered blocking state
[  970.613897][T30943] br0: port 2(c2) entered disabled state
[  970.614075][T30943] c2: entered allmulticast mode
[  970.615618][T30943] c2: entered promiscuous mode
[  970.814376][T30948] br0: port 3(c3) entered blocking state
[  970.814640][T30948] br0: port 3(c3) entered disabled state
[  970.814905][T30948] c3: entered allmulticast mode
[  970.818322][T30948] c3: entered promiscuous mode
[  970.971638][T30953] br0: port 4(sender) entered blocking state
[  970.971879][T30953] br0: port 4(sender) entered disabled state
[  970.972079][T30953] sender: entered allmulticast mode
[  970.974314][T30953] sender: entered promiscuous mode
[  971.028355][T30955] br0: port 4(sender) entered blocking state
[  971.028592][T30955] br0: port 4(sender) entered forwarding state
[  971.028934][T30955] br0: port 3(c3) entered blocking state
[  971.029095][T30955] br0: port 3(c3) entered forwarding state
[  971.029403][T30955] br0: port 2(c2) entered blocking state
[  971.029551][T30955] br0: port 2(c2) entered forwarding state
[  971.029852][T30955] br0: port 1(c1) entered blocking state
[  971.030002][T30955] br0: port 1(c1) entered forwarding state
[  982.228039][   T12] br0: port 1(c1) entered disabled state
[  982.232023][   T12] c1 (unregistering): left allmulticast mode
[  982.233205][   T12] c1 (unregistering): left promiscuous mode
[  982.233461][   T12] br0: port 1(c1) entered disabled state
[  982.376926][   T12] br0: port 2(c2) entered disabled state
[  982.379765][   T12] c2 (unregistering): left allmulticast mode
[  982.379978][   T12] c2 (unregistering): left promiscuous mode
[  982.380157][   T12] br0: port 2(c2) entered disabled state
[  982.528519][   T12] br0: port 3(c3) entered disabled state
[  982.539580][   T12] c3 (unregistering): left allmulticast mode
[  982.539819][   T12] c3 (unregistering): left promiscuous mode
[  982.540006][   T12] br0: port 3(c3) entered disabled state
[  982.672700][   T12] br0: port 4(sender) entered disabled state
[  982.675094][   T12] sender (unregistering): left allmulticast mode
[  982.675302][   T12] sender (unregistering): left promiscuous mode
[  982.675484][   T12] br0: port 4(sender) entered disabled state