[ 2003.544029][T16291] br0: port 1(dummy0) entered blocking state
[ 2003.544222][T16291] br0: port 1(dummy0) entered disabled state
[ 2003.544385][T16291] dummy0: entered allmulticast mode
[ 2003.545271][T16291] dummy0: entered promiscuous mode
[ 2003.574192][T16292] br0: port 1(dummy0) entered blocking state
[ 2003.574501][T16292] br0: port 1(dummy0) entered forwarding state
[ 2005.562969][   T12] dummy0: left allmulticast mode
[ 2005.563743][   T12] dummy0: left promiscuous mode
[ 2005.564214][   T12] br0: port 1(dummy0) entered disabled state