[ 1915.758932][T15805] br0: port 1(dummy0) entered blocking state
[ 1915.759138][T15805] br0: port 1(dummy0) entered disabled state
[ 1915.759314][T15805] dummy0: entered allmulticast mode
[ 1915.760940][T15805] dummy0: entered promiscuous mode
[ 1915.781785][T15806] br0: port 1(dummy0) entered blocking state
[ 1915.782103][T15806] br0: port 1(dummy0) entered forwarding state
[ 1917.546361][   T72] dummy0: left allmulticast mode
[ 1917.546712][   T72] dummy0: left promiscuous mode
[ 1917.546982][   T72] br0: port 1(dummy0) entered disabled state