[ 2165.425504][T16583] br0: port 1(dummy0) entered blocking state
[ 2165.425742][T16583] br0: port 1(dummy0) entered disabled state
[ 2165.425968][T16583] dummy0: entered allmulticast mode
[ 2165.427094][T16583] dummy0: entered promiscuous mode
[ 2165.452759][T16584] br0: port 1(dummy0) entered blocking state
[ 2165.453021][T16584] br0: port 1(dummy0) entered forwarding state
[ 2167.794192][   T12] dummy0: left allmulticast mode
[ 2167.795323][   T12] dummy0: left promiscuous mode
[ 2167.795662][   T12] br0: port 1(dummy0) entered disabled state