[ 1929.603689][T11167] br0: port 1(dummy0) entered blocking state
[ 1929.603879][T11167] br0: port 1(dummy0) entered disabled state
[ 1929.604050][T11167] dummy0: entered allmulticast mode
[ 1929.605050][T11167] dummy0: entered promiscuous mode
[ 1929.633270][T11168] br0: port 1(dummy0) entered blocking state
[ 1929.633530][T11168] br0: port 1(dummy0) entered forwarding state
[ 1931.602774][   T12] dummy0: left allmulticast mode
[ 1931.603815][   T12] dummy0: left promiscuous mode
[ 1931.604109][   T12] br0: port 1(dummy0) entered disabled state