[ 2362.123411][T28953] br0: port 1(dummy0) entered blocking state
[ 2362.123771][T28953] br0: port 1(dummy0) entered disabled state
[ 2362.124110][T28953] dummy0: entered allmulticast mode
[ 2362.125144][T28953] dummy0: entered promiscuous mode
[ 2362.157546][T28954] br0: port 1(dummy0) entered blocking state
[ 2362.157844][T28954] br0: port 1(dummy0) entered forwarding state
[ 2364.534063][T22545] dummy0: left allmulticast mode
[ 2364.534469][T22545] dummy0: left promiscuous mode
[ 2364.534781][T22545] br0: port 1(dummy0) entered disabled state