[ 2641.362094] br0: port 1(dummy0) entered blocking state
[ 2641.362678] br0: port 1(dummy0) entered disabled state
[ 2641.364976] device dummy0 entered promiscuous mode
[ 2641.420390] br0: port 1(dummy0) entered blocking state
[ 2641.421087] br0: port 1(dummy0) entered forwarding state
[ 2641.659364] br0: port 1(dummy0) entered disabled state
[ 2641.774051] device dummy0 left promiscuous mode
[ 2641.774611] br0: port 1(dummy0) entered disabled state