[ 2057.161885][T12534] br0: port 1(dummy0) entered blocking state
[ 2057.162079][T12534] br0: port 1(dummy0) entered disabled state
[ 2057.162244][T12534] dummy0: entered allmulticast mode
[ 2057.163109][T12534] dummy0: entered promiscuous mode
[ 2057.187844][T12535] br0: port 1(dummy0) entered blocking state
[ 2057.188166][T12535] br0: port 1(dummy0) entered forwarding state
[ 2059.148873][   T12] dummy0: left allmulticast mode
[ 2059.149776][   T12] dummy0: left promiscuous mode
[ 2059.149999][   T12] br0: port 1(dummy0) entered disabled state