[ 2183.384629][  T613] br0: port 1(dummy0) entered blocking state
[ 2183.384853][  T613] br0: port 1(dummy0) entered disabled state
[ 2183.385067][  T613] dummy0: entered allmulticast mode
[ 2183.386264][  T613] dummy0: entered promiscuous mode
[ 2183.410245][  T614] br0: port 1(dummy0) entered blocking state
[ 2183.410417][  T614] br0: port 1(dummy0) entered forwarding state
[ 2185.692482][   T12] dummy0: left allmulticast mode
[ 2185.693478][   T12] dummy0: left promiscuous mode
[ 2185.693943][   T12] br0: port 1(dummy0) entered disabled state