[ 2977.047866][T28939] br0: port 1(c1) entered blocking state
[ 2977.048251][T28939] br0: port 1(c1) entered disabled state
[ 2977.048637][T28939] c1: entered allmulticast mode
[ 2977.052022][T28939] c1: entered promiscuous mode
[ 2977.688274][T28944] br0: port 2(c2) entered blocking state
[ 2977.688640][T28944] br0: port 2(c2) entered disabled state
[ 2977.688989][T28944] c2: entered allmulticast mode
[ 2977.692344][T28944] c2: entered promiscuous mode
[ 2978.344972][T28949] br0: port 3(c3) entered blocking state
[ 2978.345309][T28949] br0: port 3(c3) entered disabled state
[ 2978.345655][T28949] c3: entered allmulticast mode
[ 2978.349371][T28949] c3: entered promiscuous mode
[ 2978.993869][T28954] br0: port 4(sender) entered blocking state
[ 2978.994290][T28954] br0: port 4(sender) entered disabled state
[ 2978.994866][T28954] sender: entered allmulticast mode
[ 2978.998230][T28954] sender: entered promiscuous mode
[ 2979.223962][T28956] br0: port 4(sender) entered blocking state
[ 2979.224407][T28956] br0: port 4(sender) entered forwarding state
[ 2979.225123][T28956] br0: port 3(c3) entered blocking state
[ 2979.225430][T28956] br0: port 3(c3) entered forwarding state
[ 2979.226111][T28956] br0: port 2(c2) entered blocking state
[ 2979.226421][T28956] br0: port 2(c2) entered forwarding state
[ 2979.227066][T28956] br0: port 1(c1) entered blocking state
[ 2979.227380][T28956] br0: port 1(c1) entered forwarding state
[ 2991.656446][   T73] br0: port 1(c1) entered disabled state
[ 2991.680304][   T73] c1 (unregistering): left allmulticast mode
[ 2991.680823][   T73] c1 (unregistering): left promiscuous mode
[ 2991.681205][   T73] br0: port 1(c1) entered disabled state
[ 2992.188246][   T73] br0: port 2(c2) entered disabled state
[ 2992.224115][   T73] c2 (unregistering): left allmulticast mode
[ 2992.224788][   T73] c2 (unregistering): left promiscuous mode
[ 2992.225414][   T73] br0: port 2(c2) entered disabled state
[ 2992.774384][   T73] br0: port 3(c3) entered disabled state
[ 2992.806383][   T73] c3 (unregistering): left allmulticast mode
[ 2992.806825][   T73] c3 (unregistering): left promiscuous mode
[ 2992.807213][   T73] br0: port 3(c3) entered disabled state
[ 2993.313503][   T73] br0: port 4(sender) entered disabled state
[ 2993.334933][   T73] sender (unregistering): left allmulticast mode
[ 2993.335344][   T73] sender (unregistering): left promiscuous mode
[ 2993.336285][   T73] br0: port 4(sender) entered disabled state