[ 2105.965040][T20064] br0: port 1(dummy0) entered blocking state
[ 2105.965229][T20064] br0: port 1(dummy0) entered disabled state
[ 2105.965403][T20064] dummy0: entered allmulticast mode
[ 2105.966258][T20064] dummy0: entered promiscuous mode
[ 2105.997973][T20065] br0: port 1(dummy0) entered blocking state
[ 2105.998150][T20065] br0: port 1(dummy0) entered forwarding state
[ 2107.987164][   T12] dummy0: left allmulticast mode
[ 2107.988189][   T12] dummy0: left promiscuous mode
[ 2107.988599][   T12] br0: port 1(dummy0) entered disabled state