[ 2087.597147][T11170] br0: port 1(dummy0) entered blocking state
[ 2087.597339][T11170] br0: port 1(dummy0) entered disabled state
[ 2087.597506][T11170] dummy0: entered allmulticast mode
[ 2087.598903][T11170] dummy0: entered promiscuous mode
[ 2087.629250][T11171] br0: port 1(dummy0) entered blocking state
[ 2087.629524][T11171] br0: port 1(dummy0) entered forwarding state
[ 2089.574216][   T12] dummy0: left allmulticast mode
[ 2089.574567][   T12] dummy0: left promiscuous mode
[ 2089.574822][   T12] br0: port 1(dummy0) entered disabled state