[ 2107.745981][T30115] br0: port 1(dummy0) entered blocking state
[ 2107.746224][T30115] br0: port 1(dummy0) entered disabled state
[ 2107.746448][T30115] dummy0: entered allmulticast mode
[ 2107.747549][T30115] dummy0: entered promiscuous mode
[ 2107.782947][T30116] br0: port 1(dummy0) entered blocking state
[ 2107.783280][T30116] br0: port 1(dummy0) entered forwarding state
[ 2109.630468][   T12] dummy0: left allmulticast mode
[ 2109.630764][   T12] dummy0: left promiscuous mode
[ 2109.630993][   T12] br0: port 1(dummy0) entered disabled state