[ 2064.690040][T28157] br0: port 1(dummy0) entered blocking state
[ 2064.690227][T28157] br0: port 1(dummy0) entered disabled state
[ 2064.690389][T28157] dummy0: entered allmulticast mode
[ 2064.697484][T28157] dummy0: entered promiscuous mode
[ 2064.722979][T28158] br0: port 1(dummy0) entered blocking state
[ 2064.723496][T28158] br0: port 1(dummy0) entered forwarding state
[ 2066.704066][   T12] dummy0: left allmulticast mode
[ 2066.705027][   T12] dummy0: left promiscuous mode
[ 2066.705268][   T12] br0: port 1(dummy0) entered disabled state